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	<title>G3 &#8211; 浜松市の注文住宅・リノベーション・耐震補強なら有限会社水田建設</title>
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	<description>有限会社水田建設は静岡県浜松市にある工務店です。地震に強い家づくり、愛犬家には嬉しい「犬と楽しく暮らす家」をはじめ、地元天竜杉や自然素材を使った家、太陽光発電、スマートハウスなど、コンセプトを持った家づくりを完全自由設計でいたします。</description>
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	<title>G3 &#8211; 浜松市の注文住宅・リノベーション・耐震補強なら有限会社水田建設</title>
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		<title>HEAT20 G3が目指すもの― 室温15℃を下回らない住環境 ―</title>
		<link>https://mizuta-k.com/2026/03/23/heat20-gmezsumono-sitsuon15/</link>
		
		<dc:creator><![CDATA[管理人]]></dc:creator>
		<pubDate>Mon, 23 Mar 2026 08:10:20 +0000</pubDate>
				<category><![CDATA[家づくりの知識]]></category>
		<category><![CDATA[G3]]></category>
		<category><![CDATA[HEAT20]]></category>
		<guid isPermaLink="false">https://mizuta-k.com/?p=11439</guid>

					<description><![CDATA[HEAT20のG3は、単なる超高断熱仕様ではありません。目標としているのは、冬期の最低室温が概ね15℃を下回らない住環境です。これは「暖かい家」という感覚的な話ではなく、健康との関係を踏まえた温度設定です。なぜ15℃なの [&#8230;]]]></description>
										<content:encoded><![CDATA[<div class="thrv_wrapper thrv-columns" style="--tcb-col-el-width: 810;"><div class="tcb-flex-row v-2 tcb--cols--1"><div class="tcb-flex-col" data-css="tve-u-69b7ae0e7d2909" style=""><div class="tcb-col"><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><p>HEAT20のG3は、単なる超高断熱仕様ではありません。<br>目標としているのは、冬期の最低室温が<strong>概ね15℃を下回らない住環境</strong>です。<br>これは「暖かい家」という感覚的な話ではなく、健康との関係を踏まえた温度設定です。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><h6 class=""><strong>なぜ15℃なのか</strong></h6></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><p>冬の室温が低い環境では、</p><p>・呼吸器疾患の悪化<br>・血圧上昇<br>・循環器系への負担増加<br>・ヒートショックリスク上昇</p><p>などが指摘されています。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><p>特に、10℃を下回る環境では健康リスクが顕在化しやすくなります。<br>G1が「概ね10℃を下回らない」ことを一つの目安とするのに対し、<br>G3はさらに一段上げ、15℃以上を安定的に保つことを目標とします。<br><br><strong>15℃を下回らないことで、<br>・寒冷刺激による血圧急上昇を抑制<br>・冷気吸入による呼吸器への負担軽減<br>・体温低下ストレスの抑制<br>といった効果が期待されます。</strong></p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><h6 class=""><strong>温度の“底”を上げるという思想</strong></h6></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><p>G3の本質は、「最高温度を上げる」ことではなく、“最低温度を底上げする”ことです。<br>暖房しているリビングが22℃でも、廊下や寝室が8℃では健康的とは言えません。<br><br>G3では、<br>・家全体の温度差が小さい<br>・非暖房室も大きく冷え込まない<br>・夜間や早朝も温度が安定する<br>という環境を目指します。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><h6 class=""><strong>エネルギーと健康の両立</strong></h6></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><p>ここで重要なのは、G3は「大量のエネルギーで暖める住宅」ではないということです。<br>断熱性能を極限まで高めることで、<br>・熱損失を最小化し<br>・小さな暖房負荷で<br>・全館を安定温度に保つ<br>という構造をつくります。</p><p>その結果、少ないエネルギーで、健康的な温度環境を維持するという状態が実現します。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><h6><strong>G3の本当の価値</strong></h6></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ae0e7d2963"><p>G3仕様で得られる最大のメリットは、<br>・室温の安定<br>・疾患リスク低減への寄与<br>・建物の耐久性向上<br>・エネルギー消費の大幅削減</p><p>無暖房という理想から整理された現在のG3は、「室温15℃を下回らないことを目標に、健康と省エネを両立させる住宅」という明確な意味を持ちます。<br>住宅性能を数値で語るのではなく、その温度が身体にどう影響するか。<br>そこまで踏み込んで初めて、G3の価値が見えてきます。</p></div></div></div></div></div><div class="thrv_wrapper thrv-columns" style="--tcb-col-el-width: 810;"><div class="tcb-flex-row v-2 tcb--cols--1"><div class="tcb-flex-col" data-css="tve-u-69b7ae0e7d2985" style=""><div class="tcb-col"></div></div></div></div><div data-inherit-lp-settings="1" data-match-lp-colors="1" class="thrv_wrapper thrv-page-section 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20,16.21L11.26,8.86L11.25,8.87C11.12,8.76 10.95,8.69 10.76,8.69M15,10V8H20V10H15M13.83,4.76L16.66,1.93L18.07,3.34L15.24,6.17L13.83,4.76M10,0H12V5H10V0M3.93,14.66L6.76,11.83L8.17,13.24L5.34,16.07L3.93,14.66M3.93,3.34L5.34,1.93L8.17,4.76L6.76,6.17L3.93,3.34M7,10H2V8H7V10"></path></svg></div> <h4 class="tve-toggle-text" data-css="tve-u-69b7ae0e7d2b58" style="font-size: var(--tve-font-size, 14px) !important;" id="t-1755129712571">合わせてこちらをお読みください</h4> </div> <div class="tve_faqC "><div class="thrv_wrapper thrv_toggle_content tve-elem-default-pad" data-css="tve-u-69b7ae0e7d2b64" style="padding-top: 10px !important; padding-left: 10px !important; padding-right: 10px !important;"> <div class="tve-content-box-background" style="" data-css="tve-u-69b7ae0e7d2b83"></div> <div class="tve-cb" data-css="tve-u-69b7ae0e7d2b94"><div class="thrv_wrapper thrv_contentbox_shortcode thrv-content-box tve-elem-default-pad" style="" data-css="tve-u-69b7ae0e7d2ba7"> <div class="tve-content-box-background" style="background-color: rgba(255, 255, 255, 0.6) !important;" data-css="tve-u-69b7ae0e7d2bc5"></div> <div class="tve-cb" data-css="tve-u-69b7ae0e7d2bd4"><div class="thrv_wrapper thrv_text_element dynamic-group-k5p7vytm" data-css="tve-u-69b7ae0e7d2be3"><p style="font-size: 15px !important;">「高性能な住まいづくりセミナー」と題して、<br>住宅性能に関する基本的な知識から、ご家庭ごとの最適な選択肢を見つけるための個別セミナーを随時開催しています。<br><br>このセミナーでは、一般的なカタログや数値にとどまらず、<br>弊社がこれまでに手掛けた実例をもとに、性能とコストのリアルなバランスをわかりやすく解説。<br>お客様のご希望や条件をじっくり伺いながら、<br><strong>「本当に必要な性能」と「過不足のない仕様」</strong>について、一緒に考えていきます。<br><br>大人数での一方通行なセミナーとは異なり、<br>お一人おひとりに合わせて、じっくりお話しできるのが特徴です。<br>ご参加は、以下の会場からお選びいただけます。</p></div><div class="thrv_wrapper thrv-styled_list" data-icon-code="icon-map-marker-outlined"><ul class="tcb-styled-list"><li class="thrv-styled-list-item"><div class="tcb-styled-list-icon"><div class="thrv_wrapper thrv_icon tve_no_drag tcb-no-delete tcb-no-clone tcb-no-save tcb-icon-inherit-style tcb-local-vars-root tcb-icon-display" data-css="tve-u-69b7ae0e7d2c08" style=""><svg class="tcb-icon" viewBox="0 0 24 24" data-id="icon-map-marker-outlined" data-name=""><path d="M12,6.5A2.5,2.5 0 0,1 14.5,9A2.5,2.5 0 0,1 12,11.5A2.5,2.5 0 0,1 9.5,9A2.5,2.5 0 0,1 12,6.5M12,2A7,7 0 0,1 19,9C19,14.25 12,22 12,22C12,22 5,14.25 5,9A7,7 0 0,1 12,2M12,4A5,5 0 0,0 7,9C7,10 7,12 12,18.71C17,12 17,10 17,9A5,5 0 0,0 12,4Z"></path></svg></div></div><span class="thrv-advanced-inline-text tve_editable tcb-styled-list-icon-text tcb-no-delete tcb-no-save" data-css="tve-u-69b7ae0e7d2c18"><span data-css="tve-u-69b7ae0e7d2d57">弊社事務所（浜松市中央区初生町）</span></span></li><li class="thrv-styled-list-item"><div class="tcb-styled-list-icon"><div class="thrv_wrapper thrv_icon tve_no_drag tcb-no-delete tcb-no-clone tcb-no-save tcb-icon-inherit-style tcb-icon-display" data-css="tve-u-69b7ae0e7d2d71" style=""><svg class="tcb-icon" viewBox="0 0 24 24" data-id="icon-map-marker-outlined" data-name=""><path d="M12,6.5A2.5,2.5 0 0,1 14.5,9A2.5,2.5 0 0,1 12,11.5A2.5,2.5 0 0,1 9.5,9A2.5,2.5 0 0,1 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12,4Z"></path></svg></div></div><span class="thrv-advanced-inline-text tve_editable tcb-styled-list-icon-text tcb-no-delete tcb-no-save" data-css="tve-u-69b7ae0e7d2c18"><span data-css="tve-u-69b7ae0e7d2d57"></span><span data-css="tve-u-69b7ae0e7d2d57">建築後10年以上経過した実邸（弊社モデルハウス）</span></span></li><li class="thrv-styled-list-item"><div class="tcb-styled-list-icon"><div class="thrv_wrapper thrv_icon tve_no_drag tcb-no-delete tcb-no-clone tcb-no-save tcb-icon-inherit-style tcb-icon-display" data-css="tve-u-69b7ae0e7d2da8" style=""><svg class="tcb-icon" viewBox="0 0 24 24" data-id="icon-map-marker-outlined" data-name=""><path d="M12,6.5A2.5,2.5 0 0,1 14.5,9A2.5,2.5 0 0,1 12,11.5A2.5,2.5 0 0,1 9.5,9A2.5,2.5 0 0,1 12,6.5M12,2A7,7 0 0,1 19,9C19,14.25 12,22 12,22C12,22 5,14.25 5,9A7,7 0 0,1 12,2M12,4A5,5 0 0,0 7,9C7,10 7,12 12,18.71C17,12 17,10 17,9A5,5 0 0,0 12,4Z"></path></svg></div></div><span class="thrv-advanced-inline-text tve_editable tcb-styled-list-icon-text tcb-no-delete tcb-no-save" data-css="tve-u-69b7ae0e7d2c18"><span data-css="tve-u-69b7ae0e7d2d57"></span><span data-css="tve-u-69b7ae0e7d2d57">オンライン</span></span></li></ul></div><div class="thrv_wrapper thrv_lead_generation tve-lead-generation-template tcb-local-vars-root tcb-file-style-applied" data-connection="api" id="lg-meany99r" data-templateconfig="{&quot;checkbox&quot;:{&quot;option&quot;:{&quot;data-value&quot;:&quot;default&quot;,&quot;color&quot;:&quot;var(--tcb-color-0)&quot;}},&quot;radio&quot;:{&quot;option&quot;:{&quot;data-value&quot;:&quot;style-1&quot;}},&quot;select&quot;:{&quot;_class&quot;:&quot;&quot;,&quot;data-show-placeholder&quot;:&quot;1&quot;,&quot;data-style&quot;:&quot;style-2&quot;,&quot;data-icon&quot;:&quot;style_1&quot;}}" data-css="tve-u-69b7ae0e7d2db4" tcb-template-name="Contact Form 02" tcb-template-id="64192" data-keep-css_id="1" data-element-name="Form" style="" data-tcb-lg-type="contact_form" data-settings-id="11441"><div class="thrive-colors-palette-config" style="display: none !important"></div><input type="hidden" class="tve-lg-err-msg" value="{&quot;email&quot;:&quot;Email address invalid&quot;,&quot;phone&quot;:&quot;Phone number invalid&quot;,&quot;password&quot;:&quot;Password invalid&quot;,&quot;passwordmismatch&quot;:&quot;Password mismatch error&quot;,&quot;required&quot;:&quot;Required field missing&quot;}"> <div class="thrv_lead_generation_container tve_clearfix"> <form action="#" method="post" novalidate="novalidate" _lpchecked="1" autocomplete="new-password" class="tcb-gdpr"> <div class="tve_lead_generated_inputs_container tve_clearfix"> <div class="thrv_text_element" data-label-for="tve-lg-198a5fe0dbc" data-css="tve-u-69b7ae0e7d2dc3"><div class="tcb-plain-text">関心があること（複数可）</div></div><div class="tve_lg_input_container tcb-plain-text tve-new-checkbox tve_lg_checkbox" data-columns="4" data-label="tve-lg-198a5fe0dbc" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item)"> <div class="tve-checkbox-grid" data-css="tve-u-69b7ae0e7d2e05"> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ae0e7d2e29"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="断熱" id="tve-lg-checkbox-198a5fe0db8" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0db8"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">断熱</span> </label> </div> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ae0e7d2e29"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="気密" id="tve-lg-checkbox-198a5fe0db9" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0db9"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">気密</span> </label> </div> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ae0e7d2e29"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="耐震・構造" id="tve-lg-checkbox-198a5fe0dba" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0dba"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">耐震・構造</span> </label> </div> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ae0e7d2e29"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="その他" id="tve-lg-checkbox-198a5fe0dbb" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0dbb"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">その他</span> </label> </div> </div> </div> <div class="tve_lg_regular_input tve_lg_input tve_lg_input_container tve_lg_date tve-lg-show-counter tcb-plain-text tcb-lg-date" data-date-configs="{&quot;dateFormat&quot;:&quot;M, d, Y&quot;,&quot;minuteIncrement&quot;:5}" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-label="tve-lg-198a60cbafe"> <input name="date_277" type="text" class="tcb-plain-text lg-date-picker flatpickr-input" readonly="readonly" data-picker-type="date" data-display-type="modal" data-date-format="M, d, Y" data-is-futuristic-date="0" data-time-interval-type="first-interval" placeholder="第一希望日" data-field="date" data-required="1" data-validation="" data-placeholder="第一希望日" data-name="Date1" data-mapping="YTowOnt9" data-is-limit-days="0" data-limit-days="[]" data-disabled-date="0" data-disabled-date-type="past-dates" data-is-limit-hours="0" data-start-hour="01" data-start-minute="00" data-start-meridiem="AM" data-end-hour="02" data-end-minute="00" data-end-meridiem="AM"></div> <div class="tve_lg_regular_input tve_lg_input tve_lg_input_container tve_lg_date tve-lg-show-counter tcb-plain-text tcb-lg-date" data-date-configs="{&quot;dateFormat&quot;:&quot;M, d, Y&quot;,&quot;minuteIncrement&quot;:5}" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-label="tve-lg-198a60d01c1"> <input name="date_764" type="text" class="tcb-plain-text lg-date-picker flatpickr-input" readonly="readonly" data-picker-type="date" data-display-type="modal" data-date-format="M, d, Y" data-is-futuristic-date="0" data-time-interval-type="first-interval" placeholder="第二希望日" data-field="date" data-required="0" data-validation="" data-placeholder="第二希望日" data-name="Date 2" data-mapping="YTowOnt9" data-is-limit-days="0" data-limit-days="[]" data-disabled-date="0" data-disabled-date-type="past-dates" data-is-limit-hours="0" data-start-hour="01" data-start-minute="00" data-start-meridiem="AM" data-end-hour="02" data-end-minute="00" data-end-meridiem="AM"></div><div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text tcb-no-clone" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ae0e7d2e32" data-label="tve-lg-173765cfede" style="" data-tcb_hover_state_parent=""> <input class="tcb-plain-text" type="text" data-field="name" name="name" placeholder="お名前" data-placeholder="お名前" style="" data-required="1" data-validation="" data-name=""> </div><div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text tcb-no-clone tcb-no-delete" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ae0e7d2e48" data-label="tve-lg-173758fee5f" style="" data-tcb_hover_state_parent=""> <input class="tcb-plain-text" type="email" data-field="email" data-required="1" data-validation="email" name="email" placeholder="Email" data-placeholder="Email" style=""> </div> <div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)"> <input class="tcb-plain-text" name="phone" placeholder="お電話番号" data-field="phone" data-required="1" data-validation="" data-placeholder="お電話番号" data-name="Phone" type="text"> </div> <div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)"> <input class="tcb-plain-text" name="mapping_text_541" placeholder="ご住所" data-field="mapping_text" data-required="1" data-validation="" data-placeholder="ご住所" data-name="Address" data-mapping="YTowOnt9" type="text"> </div><div class="tve_lg_input_container tve_lg_textarea tve_lg_regular_input tve-lg-show-counter tcb-plain-text" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-label="tve-lg-17434de2944"> <textarea class="tcb-plain-text" rows="4" data-min="0" maxlength="350" data-required="0" name="mapping_textarea_927" placeholder="何かございましたら" data-field="mapping_textarea" data-validation="" data-placeholder="何かございましたら" data-name="Memo" data-mapping="YTowOnt9"></textarea> <div class="thrv_wrapper thrv_text_element tve-lg-textarea-counter"><div class="tcb-plain-text" style="" data-css="tve-u-69b7ae0e7d2e60"><span class="tve-fill-text-dynamic">0 of 350</span></div></div> </div><div class="tve_lg_input_container tve_lg_checkbox tve-new-checkbox tcb-lg-consent tcb-excluded-from-group-item" data-columns="1" data-selector="#lg-meany99r .tcb-lg-consent" data-label="tve-lg-198a60733a9"> <div class="tve-checkbox-grid" data-css="tve-u-69b7ae0e7d2e74"> <div class="tve_lg_checkbox_wrapper tcb-local-vars-root tve-updated-dom tcb-excluded-from-group-item tve-color-set" data-value="default" data-selector="#lg-meany99r .tcb-lg-consent .tve_lg_checkbox_wrapper"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input id="user-consent" type="checkbox" name="gdpr" class="user_consent" value="GDPR ACCEPTED" placeholder="Gdpr" data-field="gdpr" data-validation="" data-placeholder="Gdpr" data-name="GDPR" data-mapping="YTowOnt9"> <label for="user-consent"> <span class="tve-checkmark" style=""> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text tve-gdpr-text"> <span>&nbsp; 個人情報の取り扱いに同意しフォームを送信します</span> </span> </label> <input type="hidden" name="consent_config" class="consent-config" value="YTozOntzOjc6ImVuYWJsZWQiO2I6MTtzOjg6InJlcXVpcmVkIjtiOjA7czoxMToiYWx3YXlzX3NlbmQiO2E6MTp7aTowO3M6NToiZW1haWwiO319"> </div> </div> </div><div class="thrv_wrapper tve-form-button tcb-local-vars-root tve-color-set tcb-with-icon tcb-flip" data-tcb_hover_state_parent="" 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name="_sendParams" value="1"> <input id="_back_url" type="hidden" name="_back_url" value="https://mizuta-k.com/otoiawase/hp-thanks/"> <input id="_api_custom_fields" type="hidden" name="_api_custom_fields" value="YToyOntpOjA7YToyOntzOjI6ImlkIjtzOjQ6Im5hbWUiO3M6MTE6InBsYWNlaG9sZGVyIjtzOjQ6Ik5hbWUiO31pOjE7YToyOntzOjI6ImlkIjtzOjU6InBob25lIjtzOjExOiJwbGFjZWhvbGRlciI7czo1OiJQaG9uZSI7fX0="><input type="hidden" id="tve_mapping" name="tve_mapping" value="YTo2OntzOjIyOiJtYXBwaW5nX2NoZWNrYm94Xzk4NVtdIjthOjE6e3M6NjoiX2ZpZWxkIjtzOjE2OiJtYXBwaW5nX2NoZWNrYm94Ijt9czo4OiJkYXRlXzI3NyI7YToxOntzOjY6Il9maWVsZCI7czo0OiJkYXRlIjt9czo4OiJkYXRlXzc2NCI7YToxOntzOjY6Il9maWVsZCI7czo0OiJkYXRlIjt9czoxNjoibWFwcGluZ190ZXh0XzU0MSI7YToxOntzOjY6Il9maWVsZCI7czoxMjoibWFwcGluZ190ZXh0Ijt9czoyMDoibWFwcGluZ190ZXh0YXJlYV85MjciO2E6MTp7czo2OiJfZmllbGQiO3M6MTY6Im1hcHBpbmdfdGV4dGFyZWEiO31zOjQ6ImdkcHIiO2E6MTp7czo2OiJfZmllbGQiO3M6NDoiZ2RwciI7fX0="><input type="hidden" id="tve_labels" name="tve_labels" 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]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>G3と「無暖房住宅」の構想― なぜ戸建てでは見直されたのか ―</title>
		<link>https://mizuta-k.com/2026/03/22/g3tomudanbou-kodate/</link>
		
		<dc:creator><![CDATA[管理人]]></dc:creator>
		<pubDate>Sun, 22 Mar 2026 07:07:32 +0000</pubDate>
				<category><![CDATA[家づくりの知識]]></category>
		<category><![CDATA[G3]]></category>
		<category><![CDATA[HEAT20]]></category>
		<category><![CDATA[断熱 省エネ性能]]></category>
		<guid isPermaLink="false">https://mizuta-k.com/?p=11434</guid>

					<description><![CDATA[HEAT20の検討過程において、G3は当初、非常に高い断熱性能を備えた水準として構想されました。その背景には、「無暖房に近い住宅」を実現できないか、という強い問題意識がありました。外皮性能を極限まで高めれば、室温は外気の [&#8230;]]]></description>
										<content:encoded><![CDATA[<div class="thrv_wrapper thrv-columns" style="--tcb-col-el-width: 810;"><div class="tcb-flex-row v-2 tcb--cols--1"><div class="tcb-flex-col" data-css="tve-u-69b7ac34957d87" style=""><div class="tcb-col"><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>HEAT20の検討過程において、<br>G3は当初、非常に高い断熱性能を備えた水準として構想されました。<br>その背景には、<strong>「無暖房に近い住宅」を実現できないか、という強い問題意識がありました</strong>。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>外皮性能を極限まで高めれば、室温は外気の影響を受けにくくなります。<br>日射取得や内部発熱を活用することで、暖房に頼らず一定の室温を維持できるのではないか。<br>そうした可能性が議論されていました。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>しかし、検討が進む中で、戸建て住宅ではいくつかの現実的な壁が明らかになります。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>第一に、戸建ては外皮面積が大きく、集合住宅に比べて熱損失が構造的に不利であること。<br>隣戸に囲まれる集合住宅とは異なり、<br>四方が外気に接する戸建てでは、同じUa値でも熱の逃げ方が大きくなります。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>第二に、地域差の問題です。<br>日本は気候が多様であり、日射条件や冬季外気温は地域ごとに大きく異なります。<br>特定の地域や特定のプランで成立する無暖房モデルを、全国的な基準として一般化することは難しいと判断されました。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>さらに、居住者の生活スタイルも影響します。<br>窓の開閉、在宅時間、内部発熱量などによって室温は変動します。<br>「暖房なしで成立する住宅」を基準化することは、実使用環境との乖離を生む可能性がありました。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p><strong>こうしてHEAT20は、戸建て住宅において「無暖房住宅」を目標に据えることは現実的ではないと整理します。</strong></p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p><strong>その結果、G3は「無暖房」そのものを目指す水準ではなく、</strong></p><p>・全館連続暖房が極めて小さなエネルギーで可能<br>・最低室温を高いレベルで安定させられる<br>・エネルギー消費を大幅に削減できる</p><p>という、<strong>“超高断熱による安定した温熱環境”を目標とする水準</strong>へと再定義されました。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-69b7ac34957dd8"><p>G3は理想を追い求めた挑戦の結果として生まれた水準です。<br>しかしHEAT20は、理念だけでなく、実装可能性も重視しました。<br>無暖房という象徴的な目標から一歩引き、<br><strong>「少ないエネルギーで、安定した室温を実現する住宅」へ</strong>。</p><p>その現実的な再整理こそが、G3の位置づけを明確にした経緯なのです。</p></div></div></div></div></div><div class="thrv_wrapper thrv-columns" style="--tcb-col-el-width: 810;"><div class="tcb-flex-row v-2 tcb--cols--1"><div class="tcb-flex-col" data-css="tve-u-69b7ac34957df8" style=""><div class="tcb-col"></div></div></div></div><div data-inherit-lp-settings="1" data-match-lp-colors="1" class="thrv_wrapper thrv-page-section tve-height-update tcb-local-vars-root" data-css="tve-u-69b7ac34957e14" style="" tcb-template-name="Hero 14" tcb-template-id="6194dfef760dbe45e16de4ce" data-keep-css_id="1"><div class="thrive-group-edit-config" style="display: none !important"></div><div class="thrive-local-colors-config" style="display: none !important"></div> <div class="tve-page-section-out" style="" data-css="tve-u-69b7ac34957e24"></div> <div 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class="tve_image wp-image-3495" alt="水田昌孝社長" data-id="3495" width="358" data-init-width="1000" height="202" data-init-height="563" title="水田昌孝社長" loading="lazy" src="//mizuta-k.com/wp-content/uploads/2022/01/mizutasama_jpg.jpg" data-width="358" data-height="202" style="aspect-ratio: auto 1000 / 563;" srcset="https://mizuta-k.com/wp-content/uploads/2022/01/mizutasama_jpg.jpg 1000w, https://mizuta-k.com/wp-content/uploads/2022/01/mizutasama_jpg-300x169.jpg 300w, https://mizuta-k.com/wp-content/uploads/2022/01/mizutasama_jpg-768x432.jpg 768w" sizes="auto, (max-width: 358px) 100vw, 358px" /></span></div></div></div><div class="tcb-flex-col" data-css="tve-u-69b7ac34957f37" style=""><div class="tcb-col" style="" data-css="tve-u-69b7ac34957f44"><div class="thrv_wrapper thrv_text_element"><h2 class="" data-css="tve-u-69b7ac34957f62" style="" id="t-1755129712570">高性能な住まいづくりを<br>お考えの方へ</h2></div><div class="thrv_wrapper thrv_toggle tve-toggle-auto-collapse tcb-local-vars-root" data-columns="1" 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class="thrv_wrapper thrv_toggle_content tve-elem-default-pad" data-css="tve-u-69b7ac34957fd3" style="padding-top: 10px !important; padding-left: 10px !important; padding-right: 10px !important;"> <div class="tve-content-box-background" style="" data-css="tve-u-69b7ac34957fe0"></div> <div class="tve-cb" data-css="tve-u-69b7ac34957ff9"><div class="thrv_wrapper thrv_contentbox_shortcode thrv-content-box tve-elem-default-pad" style="" data-css="tve-u-69b7ac34958013"> <div class="tve-content-box-background" style="background-color: rgba(255, 255, 255, 0.6) !important;" data-css="tve-u-69b7ac34958022"></div> <div class="tve-cb" data-css="tve-u-69b7ac34958044"><div class="thrv_wrapper thrv_text_element dynamic-group-k5p7vytm" data-css="tve-u-69b7ac34958057"><p style="font-size: 15px !important;">「高性能な住まいづくりセミナー」と題して、<br>住宅性能に関する基本的な知識から、ご家庭ごとの最適な選択肢を見つけるための個別セミナーを随時開催しています。<br><br>このセミナーでは、一般的なカタログや数値にとどまらず、<br>弊社がこれまでに手掛けた実例をもとに、性能とコストのリアルなバランスをわかりやすく解説。<br>お客様のご希望や条件をじっくり伺いながら、<br><strong>「本当に必要な性能」と「過不足のない仕様」</strong>について、一緒に考えていきます。<br><br>大人数での一方通行なセミナーとは異なり、<br>お一人おひとりに合わせて、じっくりお話しできるのが特徴です。<br>ご参加は、以下の会場からお選びいただけます。</p></div><div class="thrv_wrapper thrv-styled_list" data-icon-code="icon-map-marker-outlined"><ul class="tcb-styled-list"><li class="thrv-styled-list-item"><div class="tcb-styled-list-icon"><div class="thrv_wrapper thrv_icon tve_no_drag tcb-no-delete tcb-no-clone tcb-no-save tcb-icon-inherit-style tcb-local-vars-root tcb-icon-display" data-css="tve-u-69b7ac34958068" style=""><svg class="tcb-icon" viewBox="0 0 24 24" data-id="icon-map-marker-outlined" data-name=""><path d="M12,6.5A2.5,2.5 0 0,1 14.5,9A2.5,2.5 0 0,1 12,11.5A2.5,2.5 0 0,1 9.5,9A2.5,2.5 0 0,1 12,6.5M12,2A7,7 0 0,1 19,9C19,14.25 12,22 12,22C12,22 5,14.25 5,9A7,7 0 0,1 12,2M12,4A5,5 0 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data-css="tve-u-69b7ac34958086"><span data-css="tve-u-69b7ac349580a4"></span><span data-css="tve-u-69b7ac349580a4">完成見学会の会場（開催時のみ）</span></span></li><li class="thrv-styled-list-item"><div class="tcb-styled-list-icon"><div class="thrv_wrapper thrv_icon tve_no_drag tcb-no-delete tcb-no-clone tcb-no-save tcb-icon-inherit-style tcb-icon-display" data-css="tve-u-69b7ac349580d6" style=""><svg class="tcb-icon" viewBox="0 0 24 24" data-id="icon-map-marker-outlined" data-name=""><path d="M12,6.5A2.5,2.5 0 0,1 14.5,9A2.5,2.5 0 0,1 12,11.5A2.5,2.5 0 0,1 9.5,9A2.5,2.5 0 0,1 12,6.5M12,2A7,7 0 0,1 19,9C19,14.25 12,22 12,22C12,22 5,14.25 5,9A7,7 0 0,1 12,2M12,4A5,5 0 0,0 7,9C7,10 7,12 12,18.71C17,12 17,10 17,9A5,5 0 0,0 12,4Z"></path></svg></div></div><span class="thrv-advanced-inline-text tve_editable tcb-styled-list-icon-text tcb-no-delete tcb-no-save" data-css="tve-u-69b7ac34958086"><span data-css="tve-u-69b7ac349580a4"></span><span data-css="tve-u-69b7ac349580a4">建築後10年以上経過した実邸（弊社モデルハウス）</span></span></li><li class="thrv-styled-list-item"><div class="tcb-styled-list-icon"><div class="thrv_wrapper thrv_icon tve_no_drag tcb-no-delete tcb-no-clone tcb-no-save tcb-icon-inherit-style tcb-icon-display" data-css="tve-u-69b7ac349580e8" style=""><svg class="tcb-icon" viewBox="0 0 24 24" data-id="icon-map-marker-outlined" data-name=""><path d="M12,6.5A2.5,2.5 0 0,1 14.5,9A2.5,2.5 0 0,1 12,11.5A2.5,2.5 0 0,1 9.5,9A2.5,2.5 0 0,1 12,6.5M12,2A7,7 0 0,1 19,9C19,14.25 12,22 12,22C12,22 5,14.25 5,9A7,7 0 0,1 12,2M12,4A5,5 0 0,0 7,9C7,10 7,12 12,18.71C17,12 17,10 17,9A5,5 0 0,0 12,4Z"></path></svg></div></div><span class="thrv-advanced-inline-text tve_editable tcb-styled-list-icon-text tcb-no-delete tcb-no-save" data-css="tve-u-69b7ac34958086"><span data-css="tve-u-69b7ac349580a4"></span><span data-css="tve-u-69b7ac349580a4">オンライン</span></span></li></ul></div><div class="thrv_wrapper thrv_lead_generation 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invalid&quot;,&quot;password&quot;:&quot;Password invalid&quot;,&quot;passwordmismatch&quot;:&quot;Password mismatch error&quot;,&quot;required&quot;:&quot;Required field missing&quot;}"> <div class="thrv_lead_generation_container tve_clearfix"> <form action="#" method="post" novalidate="novalidate" _lpchecked="1" autocomplete="new-password" class="tcb-gdpr"> <div class="tve_lead_generated_inputs_container tve_clearfix"> <div class="thrv_text_element" data-label-for="tve-lg-198a5fe0dbc" data-css="tve-u-69b7ac34958113"><div class="tcb-plain-text">関心があること（複数可）</div></div><div class="tve_lg_input_container tcb-plain-text tve-new-checkbox tve_lg_checkbox" data-columns="4" data-label="tve-lg-198a5fe0dbc" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item)"> <div class="tve-checkbox-grid" data-css="tve-u-69b7ac34958135"> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ac34958143"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="断熱" id="tve-lg-checkbox-198a5fe0db8" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0db8"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">断熱</span> </label> </div> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ac34958143"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="気密" id="tve-lg-checkbox-198a5fe0db9" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0db9"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">気密</span> </label> </div> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ac34958143"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="耐震・構造" id="tve-lg-checkbox-198a5fe0dba" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0dba"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">耐震・構造</span> </label> </div> <div class="tve_lg_checkbox_wrapper tve-updated-dom tcb-local-vars-root tve-color-set" data-value="default" data-selector="#lg-meany99r .tve_lg_checkbox:not(.tcb-excluded-from-group-item) .tve_lg_checkbox_wrapper:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ac34958143"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input type="checkbox" name="mapping_checkbox_985[]" data-label-value="true" value="その他" id="tve-lg-checkbox-198a5fe0dbb" placeholder="Checkbox" data-field="mapping_checkbox" data-required="1" data-validation="" data-placeholder="Checkbox" data-name="Interest" data-mapping="YTowOnt9"> <label for="tve-lg-checkbox-198a5fe0dbb"> <span class="tve-checkmark"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text">その他</span> </label> </div> </div> </div> <div class="tve_lg_regular_input tve_lg_input tve_lg_input_container tve_lg_date tve-lg-show-counter tcb-plain-text tcb-lg-date" data-date-configs="{&quot;dateFormat&quot;:&quot;M, d, Y&quot;,&quot;minuteIncrement&quot;:5}" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-label="tve-lg-198a60cbafe"> <input name="date_277" type="text" class="tcb-plain-text lg-date-picker flatpickr-input" readonly="readonly" data-picker-type="date" data-display-type="modal" data-date-format="M, d, Y" data-is-futuristic-date="0" data-time-interval-type="first-interval" placeholder="第一希望日" data-field="date" data-required="1" data-validation="" data-placeholder="第一希望日" data-name="Date1" data-mapping="YTowOnt9" data-is-limit-days="0" data-limit-days="[]" data-disabled-date="0" data-disabled-date-type="past-dates" data-is-limit-hours="0" data-start-hour="01" data-start-minute="00" data-start-meridiem="AM" data-end-hour="02" data-end-minute="00" data-end-meridiem="AM"></div> <div class="tve_lg_regular_input tve_lg_input tve_lg_input_container tve_lg_date tve-lg-show-counter tcb-plain-text tcb-lg-date" data-date-configs="{&quot;dateFormat&quot;:&quot;M, d, Y&quot;,&quot;minuteIncrement&quot;:5}" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-label="tve-lg-198a60d01c1"> <input name="date_764" type="text" class="tcb-plain-text lg-date-picker flatpickr-input" readonly="readonly" data-picker-type="date" data-display-type="modal" data-date-format="M, d, Y" data-is-futuristic-date="0" data-time-interval-type="first-interval" placeholder="第二希望日" data-field="date" data-required="0" data-validation="" data-placeholder="第二希望日" data-name="Date 2" data-mapping="YTowOnt9" data-is-limit-days="0" data-limit-days="[]" data-disabled-date="0" data-disabled-date-type="past-dates" data-is-limit-hours="0" data-start-hour="01" data-start-minute="00" data-start-meridiem="AM" data-end-hour="02" data-end-minute="00" data-end-meridiem="AM"></div><div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text tcb-no-clone" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ac34958166" data-label="tve-lg-173765cfede" style="" data-tcb_hover_state_parent=""> <input class="tcb-plain-text" type="text" data-field="name" name="name" placeholder="お名前" data-placeholder="お名前" style="" data-required="1" data-validation="" data-name=""> </div><div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text tcb-no-clone tcb-no-delete" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-css="tve-u-69b7ac34958173" data-label="tve-lg-173758fee5f" style="" data-tcb_hover_state_parent=""> <input class="tcb-plain-text" type="email" data-field="email" data-required="1" data-validation="email" name="email" placeholder="Email" data-placeholder="Email" style=""> </div> <div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)"> <input class="tcb-plain-text" name="phone" placeholder="お電話番号" data-field="phone" data-required="1" data-validation="" data-placeholder="お電話番号" data-name="Phone" type="text"> </div> <div class="tve_lg_input_container tve_lg_input tve_lg_regular_input tcb-plain-text" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)"> <input class="tcb-plain-text" name="mapping_text_541" placeholder="ご住所" data-field="mapping_text" data-required="1" data-validation="" data-placeholder="ご住所" data-name="Address" data-mapping="YTowOnt9" type="text"> </div><div class="tve_lg_input_container tve_lg_textarea tve_lg_regular_input tve-lg-show-counter tcb-plain-text" data-selector="#lg-meany99r .tve_lg_regular_input:not(.tcb-excluded-from-group-item)" data-label="tve-lg-17434de2944"> <textarea class="tcb-plain-text" rows="4" data-min="0" maxlength="350" data-required="0" name="mapping_textarea_927" placeholder="何かございましたら" data-field="mapping_textarea" data-validation="" data-placeholder="何かございましたら" data-name="Memo" data-mapping="YTowOnt9"></textarea> <div class="thrv_wrapper thrv_text_element tve-lg-textarea-counter"><div class="tcb-plain-text" style="" data-css="tve-u-69b7ac34958188"><span class="tve-fill-text-dynamic">0 of 350</span></div></div> </div><div class="tve_lg_input_container tve_lg_checkbox tve-new-checkbox tcb-lg-consent tcb-excluded-from-group-item" data-columns="1" data-selector="#lg-meany99r .tcb-lg-consent" data-label="tve-lg-198a60733a9"> <div class="tve-checkbox-grid" data-css="tve-u-69b7ac349581a7"> <div class="tve_lg_checkbox_wrapper tcb-local-vars-root tve-updated-dom tcb-excluded-from-group-item tve-color-set" data-value="default" data-selector="#lg-meany99r .tcb-lg-consent .tve_lg_checkbox_wrapper"> <div class="thrive-colors-palette-config" style="display: none !important"></div> <input id="user-consent" type="checkbox" name="gdpr" class="user_consent" value="GDPR ACCEPTED" placeholder="Gdpr" data-field="gdpr" data-validation="" data-placeholder="Gdpr" data-name="GDPR" data-mapping="YTowOnt9"> <label for="user-consent"> <span class="tve-checkmark" style=""> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z"></path></svg> </span> <span class="tve-input-option-text tcb-plain-text tve-gdpr-text"> <span>&nbsp; 個人情報の取り扱いに同意しフォームを送信します</span> </span> </label> <input type="hidden" name="consent_config" class="consent-config" value="YTozOntzOjc6ImVuYWJsZWQiO2I6MTtzOjg6InJlcXVpcmVkIjtiOjA7czoxMToiYWx3YXlzX3NlbmQiO2E6MTp7aTowO3M6NToiZW1haWwiO319"> </div> </div> </div><div class="thrv_wrapper tve-form-button tcb-local-vars-root tve-color-set tcb-with-icon tcb-flip" data-tcb_hover_state_parent="" data-selector="#lg-meany99r .tve-form-button" data-button-style="btn-tpl-58405" style=""><div class="thrive-colors-palette-config" style="display: none !important"></div> <a href="#" class="tcb-button-link tve-form-button-submit tcb-plain-text" style=""><span class="tcb-button-icon"> <div class="thrv_wrapper thrv_icon tve_no_drag tve_no_icons tcb-icon-inherit-style tcb-local-vars-root tcb-icon-display" data-selector="#lg-meany99r .tve-form-button .thrv_icon" style=""><svg class="tcb-icon tcb-local-vars-root" viewBox="0 0 24 24" data-id="icon-send-solid" data-name="" style=""><path d="M2,21L23,12L2,3V10L17,12L2,14V21Z"></path></svg></div> </span> <span class="tcb-button-texts"><span class="tcb-button-text thrv-inline-text" style="" data-css="tve-u-69b7ac349581b6">送信する</span></span> </a> <input type="submit" style="display: none !important;"> </div> </div> <input id="_submit_option" type="hidden" name="_submit_option" value="redirect"> <input id="_sendParams" type="hidden" name="_sendParams" value="1"> <input id="_back_url" type="hidden" name="_back_url" value="https://mizuta-k.com/otoiawase/hp-thanks/"> <input id="_api_custom_fields" type="hidden" name="_api_custom_fields" 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]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>HEAT20のG3基準-未来を見据えた最高性能、究極の快適性と省エネ</title>
		<link>https://mizuta-k.com/2025/05/09/heat20-g3kijun/</link>
		
		<dc:creator><![CDATA[mainkey_taro]]></dc:creator>
		<pubDate>Fri, 09 May 2025 05:57:52 +0000</pubDate>
				<category><![CDATA[家づくりの知識]]></category>
		<category><![CDATA[G3]]></category>
		<category><![CDATA[HEAT20]]></category>
		<category><![CDATA[断熱 省エネ性能]]></category>
		<guid isPermaLink="false">https://mizuta-k.com/?post_type=knowledge&#038;p=5527</guid>

					<description><![CDATA[前回の記事「HEAT20のG2基準-省エネと快適性のバランス、質の高い住環境」ではG2グレートについてでしたが、今回はG3グレートについてお伝えいたします。G3基準は、現時点で最高水準の断熱性能を誇り、未来の住まいを先取 [&#8230;]]]></description>
										<content:encoded><![CDATA[<div class="thrv_wrapper thrv-columns" style="--tcb-col-el-width: 1133.63;"><div class="tcb-flex-row v-2 tcb--cols--1"><div class="tcb-flex-col" data-css="tve-u-681d92c070e4f9" style=""><div class="tcb-col"><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><p align="left">前回の記事<a href="https://mizuta-k.com/knowledge/heat20-g1g2g3gtoha/" target="_blank" class="" style="outline: none;" data-css="tve-u-681d92c070e5a7">「HEAT20のG2基準-省エネと快適性のバランス、質の高い住環境」</a>ではG2グレートについてでしたが、今回はG3グレートについてお伝えいたします。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><h4 align="left" class="">G3基準は、現時点で最高水準の断熱性能を誇り、未来の住まいを先取りする基準です。冬場の最低室温を15℃程度に保ち、暖房の使用を最小限に抑えた超高断熱住宅を実現します。これは、単に暖房に頼らないだけでなく、地球環境にも配慮した持続可能な住まいを意味します。</h4></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><h3 align="left" class=""><strong>G3</strong><strong>基準が切り拓く未来</strong></h3></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><p><strong><strong>圧倒的な省エネ性能</strong></strong><br>冷暖房の使用を極限まで抑え、光熱費の大幅な削減と環境負荷の低減に貢献します。これは、地球温暖化対策にも貢献する、未来を見据えた住まいと言えるでしょう。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><p><strong><strong><strong>究極の快適性</strong></strong></strong><br>一年を通して温度変化が少なく、常に快適な室温で過ごせる理想的な住環境です。これは、まるで魔法瓶のような、温度変化の少ない快適な住まいです。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><p><strong><strong><strong><strong>健康寿命の延伸</strong></strong></strong></strong><br>ヒートショックのリスクをほぼゼロにし、健康寿命の延伸に貢献します。また、結露によるカビやダニの発生も抑制されるため、アレルギー体質の方にもおすすめです。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><p><strong><strong><strong><strong><strong>住宅の資産価値向上</strong></strong></strong></strong></strong><br>高い断熱性能は、住宅の資産価値を高めます。</p></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><h3 align="left" class=""><strong>まとめ</strong><strong></strong><strong></strong></h3></div><div class="thrv_wrapper thrv_text_element" style="" data-css="tve-u-681d92c070e581"><h5 align="left" class="">G3基準は、初期投資は高くなりますが、長期的な快適性、経済性、健康性を追求する方に最適な選択です。未来を見据えた住まいづくりを考えるなら、G3基準は間違いなく有力な選択肢となるでしょう。</h5></div></div></div></div></div><div class="thrv_wrapper tve_image_caption" data-css="tve-u-681d92c070e5b0" style=""><span class="tve_image_frame"><a href="https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53.jpg" target="_blank"><img decoding="async" class="tve_image tcb-moved-image wp-image-5528" alt="HEAT20のG3基準-未来を見据えた最高性能、究極の快適性と省エネ" data-id="5528" width="248" data-init-width="1080" height="248" data-init-height="1080" title="HEAT20-G3" loading="lazy" src="https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53.jpg" data-link-wrap="true" data-width="248" data-height="248" style="aspect-ratio: auto 1080 / 1080;" data-css="tve-u-681d92c070e5c4" srcset="https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53.jpg 1080w, https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53-300x300.jpg 300w, https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53-1024x1024.jpg 1024w, https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53-150x150.jpg 150w, https://mizuta-k.com/wp-content/uploads/2025/05/15008c48f2b85114de8ca8db31d07f53-768x768.jpg 768w" sizes="auto, (max-width: 248px) 100vw, 248px" data-></a></span></div><div class="tcb_flag" style="display: none"></div>
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