{"id":3189,"date":"2026-05-09T12:07:08","date_gmt":"2026-05-09T10:07:08","guid":{"rendered":"https:\/\/nature-o.net\/?page_id=3189"},"modified":"2026-05-09T12:07:09","modified_gmt":"2026-05-09T10:07:09","slug":"smart-home-energy-savings-calculator","status":"publish","type":"page","link":"https:\/\/nature-o.net\/?page_id=3189","title":{"rendered":"Smart Home Energy Savings Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-smart-energy-3fa9b\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Smart Home Energy Savings Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate how much energy and money smart home devices could save each month.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-smart-form-3fa9b\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-smart-bill-3fa9b\">Monthly electricity<br>use (kWh)<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-smart-bill-3fa9b\" type=\"number\" min=\"1\" step=\"1\" value=\"400\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Your average monthly electricity use.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-smart-rate-3fa9b\">Electricity price<br>($\/kWh)<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-smart-rate-3fa9b\" type=\"number\" min=\"0\" step=\"0.01\" value=\"0.18\" inputmode=\"decimal\" \/>\n        <div class=\"eco-tool__hint\">Cost of one kilowatt-hour.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-smart-thermostat-3fa9b\">Smart thermostat<br>installed?<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-smart-thermostat-3fa9b\">\n          <option value=\"yes\">Yes<\/option>\n          <option value=\"no\">No<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Can reduce heating\/cooling energy use.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-smart-lights-3fa9b\">Smart lighting<br>installed?<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-smart-lights-3fa9b\">\n          <option value=\"yes\">Yes<\/option>\n          <option value=\"no\">No<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Timers and sensors reduce wasted lighting.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-smart-plugs-3fa9b\">Smart plugs<br>installed?<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-smart-plugs-3fa9b\">\n          <option value=\"yes\">Yes<\/option>\n          <option value=\"no\">No<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Can reduce standby power waste.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-smart-view-3fa9b\">Main result<br>view<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-smart-view-3fa9b\">\n          <option value=\"money\">Show money saved<\/option>\n          <option value=\"energy\">Show energy saved<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Choose what to emphasize first.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn\" id=\"eco-smart-calc-3fa9b\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"eco-smart-reset-3fa9b\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"eco-smart-error-3fa9b\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"eco-smart-result-3fa9b\" hidden>\n    <h3 class=\"eco-tool__subtitle\">Result<\/h3>\n\n    <div class=\"eco-tool__cards\">\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Estimated monthly savings<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-smart-main-3fa9b\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-smart-main-sub-3fa9b\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Estimated yearly savings<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-smart-year-3fa9b\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-smart-year-sub-3fa9b\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Savings breakdown<\/div>\n      <div class=\"eco-tool__bars\" id=\"eco-smart-bars-3fa9b\"><\/div>\n      <div class=\"eco-tool__metric-sub eco-tool__muted\" id=\"eco-smart-tip-3fa9b\"><\/div>\n    <\/div>\n\n    <p class=\"eco-tool__note\">\n      Approximate estimate only. Real savings depend on home size, climate, habits, appliance efficiency, and energy prices.\n    <\/p>\n  <\/div>\n\n  <details class=\"eco-tool__details\">\n    <summary class=\"eco-tool__summary\">How we calculate<\/summary>\n    <div class=\"eco-tool__details-body\">\n      <p class=\"eco-tool__text\">\n        We apply simplified savings rates for smart thermostat, lighting, and smart plugs, then multiply saved kWh by your electricity price.\n      <\/p>\n      <ul class=\"eco-tool__list\" id=\"eco-smart-factors-3fa9b\"><\/ul>\n    <\/div>\n  <\/details>\n<\/div>\n\n<style>\n.eco-tool{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:16px}\n.eco-tool__header{margin-bottom:12px}\n.eco-tool__title{margin:0 0 8px}\n.eco-tool__lead{margin:0;opacity:.9}\n.eco-tool__form{margin-top:12px}\n.eco-tool__grid3{display:grid;grid-template-columns:1fr;gap:16px}\n@media (min-width:860px){.eco-tool__grid3{grid-template-columns:1fr 1fr 1fr}}\n.eco-tool__field{display:flex;flex-direction:column;gap:6px}\n.eco-tool__label{font-weight:600}\n.eco-tool__input{width:100%;height:44px;padding:0 12px;border:1px solid rgba(0,0,0,.20);border-radius:10px;background:#fff;box-sizing:border-box;font:inherit}\n.eco-tool select.eco-tool__input{appearance:none;-webkit-appearance:none;line-height:44px;padding-right:40px;background-image:linear-gradient(45deg,transparent 50%,rgba(0,0,0,.60) 50%),linear-gradient(135deg,rgba(0,0,0,.60) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 12px) 50%;background-size:6px 6px;background-repeat:no-repeat}\n.eco-tool__hint{font-size:.92em;opacity:.78;min-height:38px}\n.eco-tool__actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}\n.eco-tool__btn{padding:10px 22px}\n.eco-tool__btn--ghost{background:transparent!important;border:1px solid rgba(0,0,0,.20)!important}\n.eco-tool__btn--ghost:hover,.eco-tool__btn--ghost:focus{background:rgba(0,0,0,.06)!important;border-color:rgba(0,0,0,.35)!important}\n.eco-tool__error{min-height:1.2em;font-weight:600;flex:1 1 240px}\n.eco-tool__result{margin-top:16px}\n.eco-tool__subtitle{margin:0 0 10px}\n.eco-tool__cards{display:grid;gap:10px;grid-template-columns:1fr}\n@media (min-width:860px){.eco-tool__cards{grid-template-columns:1fr 1fr}}\n.eco-tool__card{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:12px}\n.eco-tool__card--wide{margin-top:10px}\n.eco-tool__metric-label{opacity:.85;font-weight:600}\n.eco-tool__metric-value{font-size:1.6em;font-weight:800;margin-top:6px;line-height:1.1}\n.eco-tool__metric-sub{opacity:.85;margin-top:6px}\n.eco-tool__bars{display:grid;gap:10px;margin-top:12px}\n.eco-tool__barrow{display:grid;grid-template-columns:150px 1fr 100px;gap:10px;align-items:center}\n@media (max-width:480px){.eco-tool__barrow{grid-template-columns:110px 1fr 75px}}\n.eco-tool__barlabel{font-weight:600;opacity:.9}\n.eco-tool__bartrack{border:1px solid rgba(0,0,0,.12);border-radius:999px;height:12px;overflow:hidden;background:rgba(0,0,0,.03)}\n.eco-tool__barfill{height:100%;width:0%;background:rgba(0,0,0,.25)}\n.eco-tool__barval{text-align:right;opacity:.85;white-space:nowrap}\n.eco-tool__note{margin:10px 0 0;opacity:.9}\n.eco-tool__muted{opacity:.8}\n.eco-tool__details{margin-top:14px}\n.eco-tool__summary{cursor:pointer;font-weight:700}\n.eco-tool__details-body{margin-top:10px}\n.eco-tool__text{margin:0 0 10px}\n.eco-tool__list{margin:0;padding-left:18px}\n<\/style>\n\n<script>\n(function(){\n  const S = \"3fa9b\";\n  const el = (id) => document.getElementById(id + \"-\" + S);\n\n  const useEl = el(\"eco-smart-bill\");\n  const rateEl = el(\"eco-smart-rate\");\n  const thermostatEl = el(\"eco-smart-thermostat\");\n  const lightsEl = el(\"eco-smart-lights\");\n  const plugsEl = el(\"eco-smart-plugs\");\n  const viewEl = el(\"eco-smart-view\");\n\n  const calcBtn = el(\"eco-smart-calc\");\n  const resetBtn = el(\"eco-smart-reset\");\n  const errorEl = el(\"eco-smart-error\");\n  const resultEl = el(\"eco-smart-result\");\n\n  const mainEl = el(\"eco-smart-main\");\n  const mainSubEl = el(\"eco-smart-main-sub\");\n  const yearEl = el(\"eco-smart-year\");\n  const yearSubEl = el(\"eco-smart-year-sub\");\n  const barsEl = el(\"eco-smart-bars\");\n  const tipEl = el(\"eco-smart-tip\");\n  const factorsEl = el(\"eco-smart-factors\");\n\n  const SAVINGS = {\n    thermostat: 0.08,\n    lights: 0.04,\n    plugs: 0.03\n  };\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n  function fmt(x){ return x.toLocaleString(undefined,{minimumFractionDigits:2,maximumFractionDigits:2}); }\n\n  function fillFactors(){\n    factorsEl.innerHTML = [\n      `<li><strong>Smart thermostat:<\/strong> ~8% estimated saving<\/li>`,\n      `<li><strong>Smart lighting:<\/strong> ~4% estimated saving<\/li>`,\n      `<li><strong>Smart plugs:<\/strong> ~3% estimated saving<\/li>`,\n      `<li><strong>Money saved:<\/strong> saved kWh \u00d7 electricity price<\/li>`\n    ].join(\"\");\n  }\n\n  function barRow(label, pct, value){\n    const p = Math.max(0, Math.min(100, pct));\n    return `<div class=\"eco-tool__barrow\"><div class=\"eco-tool__barlabel\">${label}<\/div><div class=\"eco-tool__bartrack\"><div class=\"eco-tool__barfill\" style=\"width:${p}%\"><\/div><\/div><div class=\"eco-tool__barval\">${value}<\/div><\/div>`;\n  }\n\n  function calculate(){\n    setError(\"\");\n\n    const monthlyKwh = Number(useEl.value);\n    const rate = Number(rateEl.value);\n    const view = viewEl.value;\n\n    if (!Number.isFinite(monthlyKwh) || monthlyKwh <= 0 || !Number.isFinite(rate) || rate < 0){\n      setError(\"Please enter valid values.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    const thermostatSave = thermostatEl.value === \"yes\" ? monthlyKwh * SAVINGS.thermostat : 0;\n    const lightsSave = lightsEl.value === \"yes\" ? monthlyKwh * SAVINGS.lights : 0;\n    const plugsSave = plugsEl.value === \"yes\" ? monthlyKwh * SAVINGS.plugs : 0;\n\n    const savedKwh = thermostatSave + lightsSave + plugsSave;\n    const savedMoney = savedKwh * rate;\n    const yearlyMoney = savedMoney * 12;\n    const yearlyKwh = savedKwh * 12;\n\n    if (view === \"energy\"){\n      mainEl.textContent = `${fmt(savedKwh)} kWh`;\n      mainSubEl.textContent = \"Estimated monthly energy saved\";\n    } else {\n      mainEl.textContent = `$${fmt(savedMoney)}`;\n      mainSubEl.textContent = \"Estimated monthly money saved\";\n    }\n\n    yearEl.textContent = `$${fmt(yearlyMoney)}`;\n    yearSubEl.textContent = `${fmt(yearlyKwh)} kWh\/year saved`;\n\n    const max = Math.max(thermostatSave, lightsSave, plugsSave, 1);\n    barsEl.innerHTML = [\n      barRow(\"Thermostat\", (thermostatSave\/max)*100, `${fmt(thermostatSave)} kWh`),\n      barRow(\"Lighting\", (lightsSave\/max)*100, `${fmt(lightsSave)} kWh`),\n      barRow(\"Smart plugs\", (plugsSave\/max)*100, `${fmt(plugsSave)} kWh`)\n    ].join(\"\");\n\n    tipEl.textContent =\n      thermostatSave >= lightsSave && thermostatSave >= plugsSave\n        ? \"Tip: Smart thermostats usually create the largest savings in heating\/cooling-heavy homes.\"\n        : \"Tip: Lighting and standby power savings are smaller, but easy to automate.\";\n\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    useEl.value = \"400\";\n    rateEl.value = \"0.18\";\n    thermostatEl.value = \"yes\";\n    lightsEl.value = \"yes\";\n    plugsEl.value = \"yes\";\n    viewEl.value = \"money\";\n    resultEl.hidden = true;\n  }\n\n  fillFactors();\n  calcBtn.addEventListener(\"click\", calculate);\n  resetBtn.addEventListener(\"click\", reset);\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Smart Home Energy Savings Calculator Estimate how much energy and money smart home devices could save each month. Monthly electricityuse (kWh) Your average monthly electricity use. Electricity price($\/kWh) Cost of&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2452,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/3189"}],"collection":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3189"}],"version-history":[{"count":1,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/3189\/revisions"}],"predecessor-version":[{"id":3190,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/3189\/revisions\/3190"}],"up":[{"embeddable":true,"href":"https:\/\/nature-o.net\/index.php?rest_route=\/wp\/v2\/pages\/2452"}],"wp:attachment":[{"href":"https:\/\/nature-o.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}