{"id":2602,"date":"2026-03-27T07:16:08","date_gmt":"2026-03-27T07:16:08","guid":{"rendered":"https:\/\/gqlamp.com\/?page_id=2602"},"modified":"2026-03-27T07:25:12","modified_gmt":"2026-03-27T07:25:12","slug":"led-vs-halogen-cost-comparison","status":"publish","type":"page","link":"https:\/\/gqlamp.com\/pt\/pool-water-lighting\/fountain-light\/led-vs-halogen-cost-comparison\/","title":{"rendered":"Compara\u00e7\u00e3o de custos de LED vs halog\u00eanio"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-316fa60\" data-block-id=\"316fa60\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-316fa60-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4e70e51\" data-v=\"4\" data-block-id=\"4e70e51\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4e70e51-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4e70e51-inner-blocks\"><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-78d4d23\" data-block-id=\"78d4d23\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-content-align stk-78d4d23-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fcbade1\" data-v=\"4\" data-block-id=\"fcbade1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fcbade1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-fcbade1-inner-blocks\"><div class=\"ct-breadcrumbs\" data-source=\"rankmath\" ><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-7915523\" data-block-id=\"7915523\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7915523-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-089128a\" data-v=\"4\" data-block-id=\"089128a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-089128a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-089128a-inner-blocks\">\n<!-- LED vs Halogen Cost Comparison Calculator | Guangqi Lighting -->\n<div id=\"gq-tool-cost\">\n<style>\n#gq-tool-cost {\n  --gq-primary: #183090;\n  --gq-green: #009048;\n  --gq-red: #D81818;\n  --gq-dark: #303030;\n  --gq-light: #f4f5f7;\n  --gq-border: #d0d3da;\n  --gq-mono: 'IBM Plex Mono', monospace;\n  max-width: 1280px;\n  margin: 0 auto;\n  padding: 24px 16px;\n  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n  color: var(--gq-dark);\n  line-height: 1.6;\n}\n#gq-tool-cost * { box-sizing: border-box; }\n#gq-tool-cost h2 {\n  font-size: 24px;\n  font-weight: 700;\n  color: var(--gq-primary);\n  margin: 0 0 6px 0;\n  border-bottom: 3px solid var(--gq-primary);\n  padding-bottom: 10px;\n}\n#gq-tool-cost .gq-subtitle {\n  font-size: 14px;\n  color: #666;\n  margin: 0 0 28px 0;\n}\n#gq-tool-cost .gq-grid {\n  display: grid;\n  grid-template-columns: 380px 1fr;\n  gap: 32px;\n}\n#gq-tool-cost .gq-panel {\n  background: var(--gq-light);\n  border: 1px solid var(--gq-border);\n  border-radius: 0;\n  padding: 24px;\n}\n#gq-tool-cost .gq-panel-title {\n  font-size: 15px;\n  font-weight: 700;\n  text-transform: uppercase;\n  letter-spacing: 0.5px;\n  color: var(--gq-primary);\n  margin: 0 0 20px 0;\n  padding-bottom: 8px;\n  border-bottom: 2px solid var(--gq-primary);\n}\n#gq-tool-cost label {\n  display: block;\n  font-size: 13px;\n  font-weight: 600;\n  margin-bottom: 4px;\n  color: var(--gq-dark);\n}\n#gq-tool-cost .gq-field {\n  margin-bottom: 16px;\n}\n#gq-tool-cost .gq-hint {\n  font-size: 11px;\n  color: #888;\n  margin-top: 2px;\n}\n#gq-tool-cost select,\n#gq-tool-cost input[type=\"number\"] {\n  width: 100%;\n  padding: 10px 12px;\n  font-size: 14px;\n  border: 1px solid var(--gq-border);\n  border-radius: 0;\n  background: #fff;\n  color: var(--gq-dark);\n  font-family: var(--gq-mono);\n}\n#gq-tool-cost select:focus,\n#gq-tool-cost input:focus {\n  outline: none;\n  border-color: var(--gq-primary);\n  box-shadow: 0 0 0 2px rgba(24,48,144,0.15);\n}\n#gq-tool-cost .gq-btn-calc {\n  display: block;\n  width: 100%;\n  padding: 14px;\n  background: var(--gq-primary);\n  color: #fff;\n  font-size: 15px;\n  font-weight: 700;\n  text-transform: uppercase;\n  letter-spacing: 1px;\n  border: none;\n  border-radius: 0;\n  cursor: pointer;\n  margin-top: 8px;\n  transition: background 0.2s;\n}\n#gq-tool-cost .gq-btn-calc:hover { background: #0f2070; }\n#gq-tool-cost .gq-error {\n  color: var(--gq-red);\n  font-size: 13px;\n  font-weight: 600;\n  margin-top: 4px;\n  display: none;\n}\n\/* Results *\/\n#gq-tool-cost .gq-results { display: none; }\n#gq-tool-cost .gq-results.active { display: block; }\n#gq-tool-cost .gq-summary-cards {\n  display: grid;\n  grid-template-columns: 1fr 1fr 1fr;\n  gap: 16px;\n  margin-bottom: 24px;\n}\n#gq-tool-cost .gq-scard {\n  padding: 18px;\n  text-align: center;\n  border: 1px solid var(--gq-border);\n}\n#gq-tool-cost .gq-scard.led { background: #eaf5ef; border-color: var(--gq-green); }\n#gq-tool-cost .gq-scard.halogen { background: #fef3f3; border-color: var(--gq-red); }\n#gq-tool-cost .gq-scard.savings { background: #eef1fa; border-color: var(--gq-primary); }\n#gq-tool-cost .gq-scard-label {\n  font-size: 11px;\n  font-weight: 700;\n  text-transform: uppercase;\n  letter-spacing: 0.5px;\n  margin-bottom: 6px;\n}\n#gq-tool-cost .gq-scard.led .gq-scard-label { color: var(--gq-green); }\n#gq-tool-cost .gq-scard.halogen .gq-scard-label { color: var(--gq-red); }\n#gq-tool-cost .gq-scard.savings .gq-scard-label { color: var(--gq-primary); }\n#gq-tool-cost .gq-scard-val {\n  font-family: var(--gq-mono);\n  font-size: 26px;\n  font-weight: 700;\n  color: var(--gq-dark);\n}\n#gq-tool-cost .gq-scard-sub {\n  font-size: 11px;\n  color: #888;\n  margin-top: 4px;\n}\n#gq-tool-cost .gq-chart-wrap {\n  background: #fff;\n  border: 1px solid var(--gq-border);\n  padding: 20px;\n  margin-bottom: 20px;\n}\n#gq-tool-cost .gq-chart-wrap canvas {\n  width: 100% !important;\n  max-height: 340px;\n}\n#gq-tool-cost .gq-breakdown {\n  background: var(--gq-light);\n  border: 1px solid var(--gq-border);\n  padding: 16px 20px;\n  font-size: 13px;\n  margin-bottom: 16px;\n}\n#gq-tool-cost .gq-breakdown table {\n  width: 100%;\n  border-collapse: collapse;\n}\n#gq-tool-cost .gq-breakdown th {\n  text-align: left;\n  font-size: 11px;\n  text-transform: uppercase;\n  letter-spacing: 0.5px;\n  color: #888;\n  padding: 6px 8px;\n  border-bottom: 2px solid var(--gq-border);\n}\n#gq-tool-cost .gq-breakdown td {\n  padding: 8px;\n  border-bottom: 1px solid #eee;\n  font-family: var(--gq-mono);\n  font-size: 13px;\n}\n#gq-tool-cost .gq-breakdown td:first-child {\n  font-family: inherit;\n  font-weight: 600;\n}\n#gq-tool-cost .gq-btn-cta {\n  display: inline-block;\n  padding: 12px 32px;\n  background: var(--gq-green);\n  color: #fff;\n  font-size: 14px;\n  font-weight: 700;\n  text-transform: uppercase;\n  letter-spacing: 1px;\n  border: none;\n  border-radius: 0;\n  cursor: pointer;\n  text-decoration: none;\n  transition: background 0.2s;\n}\n#gq-tool-cost .gq-btn-cta:hover { background: #006e35; }\n#gq-tool-cost .gq-placeholder {\n  color: #999; font-size: 14px; text-align: center; padding: 80px 20px;\n}\n@media (max-width: 860px) {\n  #gq-tool-cost .gq-grid { grid-template-columns: 1fr; }\n  #gq-tool-cost .gq-summary-cards { grid-template-columns: 1fr; }\n}\n<\/style>\n\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=IBM+Plex+Mono:wght@400;600;700&#038;display=swap\" rel=\"stylesheet\">\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chart.js@4.4.1\/dist\/chart.umd.min.js\"><\/script>\n\n<h2>LED vs Halogen Cost Comparison<\/h2>\n<p class=\"gq-subtitle\">See how much you save by switching from halogen to LED fountain lights over time.<\/p>\n\n<div class=\"gq-grid\">\n  <div class=\"gq-panel\">\n    <div class=\"gq-panel-title\">Your Setup<\/div>\n\n    <div class=\"gq-field\">\n      <label for=\"gq-led-model\">LED Model<\/label>\n      <select id=\"gq-led-model\">\n        <option value=\"6\">GQ-FL-6W (6W)<\/option>\n        <option value=\"9\">GQ-FL-9W (9W)<\/option>\n        <option value=\"12\" selected>GQ-FL-12W (12W)<\/option>\n        <option value=\"18\">GQ-FL-18W (18W)<\/option>\n      <\/select>\n    <\/div>\n\n    <div class=\"gq-field\">\n      <label for=\"gq-num-fix\">Number of Fixtures<\/label>\n      <input type=\"number\" id=\"gq-num-fix\" value=\"10\" min=\"1\" max=\"500\">\n    <\/div>\n\n    <div class=\"gq-field\">\n      <label for=\"gq-hours\">Daily Operating Hours<\/label>\n      <input type=\"number\" id=\"gq-hours\" value=\"8\" min=\"1\" max=\"24\">\n    <\/div>\n\n    <div class=\"gq-field\">\n      <label for=\"gq-rate\">Electricity Rate ($\/kWh)<\/label>\n      <input type=\"number\" id=\"gq-rate\" value=\"0.12\" min=\"0.01\" max=\"1\" step=\"0.01\">\n      <div class=\"gq-hint\">US average: ~$0.12\/kWh | EU average: ~$0.25\/kWh<\/div>\n    <\/div>\n\n    <div class=\"gq-field\">\n      <label for=\"gq-years\">Comparison Period (years)<\/label>\n      <select id=\"gq-years\">\n        <option value=\"3\">3 Years<\/option>\n        <option value=\"5\" selected>5 Years<\/option>\n        <option value=\"7\">7 Years<\/option>\n        <option value=\"10\">10 Years<\/option>\n      <\/select>\n    <\/div>\n\n    <div class=\"gq-error\" id=\"gq-cost-error\"><\/div>\n    <button class=\"gq-btn-calc\" onclick=\"gqCost.calculate()\">Calculate Savings<\/button>\n  <\/div>\n\n  <div>\n    <div class=\"gq-results\" id=\"gq-cost-results\">\n      <div class=\"gq-summary-cards\">\n        <div class=\"gq-scard led\">\n          <div class=\"gq-scard-label\">LED Total Cost<\/div>\n          <div class=\"gq-scard-val\" id=\"gq-led-total\"><\/div>\n          <div class=\"gq-scard-sub\">Energy only (50,000h lifespan)<\/div>\n        <\/div>\n        <div class=\"gq-scard halogen\">\n          <div class=\"gq-scard-label\">Halogen Total Cost<\/div>\n          <div class=\"gq-scard-val\" id=\"gq-hal-total\"><\/div>\n          <div class=\"gq-scard-sub\">Energy + bulb replacements<\/div>\n        <\/div>\n        <div class=\"gq-scard savings\">\n          <div class=\"gq-scard-label\">Your Savings with LED<\/div>\n          <div class=\"gq-scard-val\" id=\"gq-savings-total\"><\/div>\n          <div class=\"gq-scard-sub\" id=\"gq-savings-pct\"><\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"gq-chart-wrap\">\n        <canvas id=\"gq-cost-chart\"><\/canvas>\n      <\/div>\n\n      <div class=\"gq-breakdown\">\n        <table>\n          <thead>\n            <tr><th>Cost Factor<\/th><th>LED<\/th><th>Halogen<\/th><\/tr>\n          <\/thead>\n          <tbody id=\"gq-breakdown-body\"><\/tbody>\n        <\/table>\n      <\/div>\n\n      <a href=\"#ct-popup-801\" class=\"gq-btn-cta\">Get LED Quote<\/a>\n    <\/div>\n    <div class=\"gq-placeholder\" id=\"gq-cost-placeholder\">\n      Configure your setup and click <strong>Calculate Savings<\/strong> to see the comparison.\n    <\/div>\n  <\/div>\n<\/div>\n\n<script>\n(function(){\n  var chartInstance = null;\n  \/* Halogen equivalent wattage mapping (LED watt -> typical halogen equivalent) *\/\n  var halogenMap = { 6: 35, 9: 50, 12: 75, 18: 100 };\n  var halogenBulbCost = 8; \/* avg cost per halogen bulb replacement *\/\n  var halogenLifeHours = 2000;\n\n  function fmt(n) {\n    return '$' + n.toFixed(0).replace(\/\\B(?=(\\d{3})+(?!\\d))\/g, ',');\n  }\n\n  window.gqCost = {\n    calculate: function() {\n      var errEl = document.getElementById('gq-cost-error');\n      errEl.style.display = 'none';\n\n      var ledW = parseInt(document.getElementById('gq-led-model').value);\n      var numFix = parseInt(document.getElementById('gq-num-fix').value);\n      var hours = parseFloat(document.getElementById('gq-hours').value);\n      var rate = parseFloat(document.getElementById('gq-rate').value);\n      var years = parseInt(document.getElementById('gq-years').value);\n\n      if (isNaN(numFix) || numFix < 1) { errEl.textContent = 'Enter a valid number of fixtures.'; errEl.style.display = 'block'; return; }\n      if (isNaN(hours) || hours < 1 || hours > 24) { errEl.textContent = 'Enter valid daily hours (1-24).'; errEl.style.display = 'block'; return; }\n      if (isNaN(rate) || rate <= 0) { errEl.textContent = 'Enter a valid electricity rate.'; errEl.style.display = 'block'; return; }\n\n      var halW = halogenMap[ledW];\n      var daysPerYear = 365;\n      var annualHours = hours * daysPerYear;\n      var totalHours = annualHours * years;\n\n      \/* Energy costs *\/\n      var ledAnnualKwh = (ledW * numFix * annualHours) \/ 1000;\n      var halAnnualKwh = (halW * numFix * annualHours) \/ 1000;\n      var ledAnnualEnergy = ledAnnualKwh * rate;\n      var halAnnualEnergy = halAnnualKwh * rate;\n\n      \/* Maintenance: halogen bulb replacements *\/\n      var replacementsPerFixture = Math.floor(totalHours \/ halogenLifeHours);\n      var totalReplacements = replacementsPerFixture * numFix;\n      var totalBulbCost = totalReplacements * halogenBulbCost;\n      var annualBulbCost = totalBulbCost \/ years;\n\n      var ledTotal = ledAnnualEnergy * years;\n      var halTotal = (halAnnualEnergy * years) + totalBulbCost;\n      var savings = halTotal - ledTotal;\n      var pctSave = ((savings \/ halTotal) * 100).toFixed(0);\n\n      \/* Display summary *\/\n      document.getElementById('gq-led-total').textContent = fmt(ledTotal);\n      document.getElementById('gq-hal-total').textContent = fmt(halTotal);\n      document.getElementById('gq-savings-total').textContent = fmt(savings);\n      document.getElementById('gq-savings-pct').textContent = pctSave + '% lower total cost over ' + years + ' years';\n\n      \/* Breakdown table *\/\n      var tbody = document.getElementById('gq-breakdown-body');\n      tbody.innerHTML =\n        '<tr><td>Wattage per fixture<\/td><td>' + ledW + 'W<\/td><td>' + halW + 'W<\/td><\/tr>' +\n        '<tr><td>Annual energy (kWh)<\/td><td>' + ledAnnualKwh.toFixed(0) + '<\/td><td>' + halAnnualKwh.toFixed(0) + '<\/td><\/tr>' +\n        '<tr><td>Annual energy cost<\/td><td>' + fmt(ledAnnualEnergy) + '<\/td><td>' + fmt(halAnnualEnergy) + '<\/td><\/tr>' +\n        '<tr><td>Bulb replacements (' + years + 'yr)<\/td><td>0<\/td><td>' + totalReplacements + ' ($' + totalBulbCost.toFixed(0) + ')<\/td><\/tr>' +\n        '<tr><td style=\"font-weight:700\">Total ' + years + '-year cost<\/td><td style=\"font-weight:700;color:#009048\">' + fmt(ledTotal) + '<\/td><td style=\"font-weight:700;color:#D81818\">' + fmt(halTotal) + '<\/td><\/tr>';\n\n      \/* Chart *\/\n      var labels = [];\n      var ledData = [];\n      var halData = [];\n      for (var y = 0; y <= years; y++) {\n        labels.push('Year ' + y);\n        var lCum = ledAnnualEnergy * y;\n        var hCum = (halAnnualEnergy * y) + (Math.floor((annualHours * y) \/ halogenLifeHours) * numFix * halogenBulbCost);\n        ledData.push(Math.round(lCum));\n        halData.push(Math.round(hCum));\n      }\n\n      if (chartInstance) chartInstance.destroy();\n      var ctx = document.getElementById('gq-cost-chart').getContext('2d');\n      chartInstance = new Chart(ctx, {\n        type: 'line',\n        data: {\n          labels: labels,\n          datasets: [\n            {\n              label: 'LED (GQ-FL-' + ledW + 'W)',\n              data: ledData,\n              borderColor: '#009048',\n              backgroundColor: 'rgba(0,144,72,0.08)',\n              fill: true,\n              tension: 0.2,\n              pointRadius: 5,\n              pointBackgroundColor: '#009048',\n              borderWidth: 3\n            },\n            {\n              label: 'Halogen (' + halW + 'W equivalent)',\n              data: halData,\n              borderColor: '#D81818',\n              backgroundColor: 'rgba(216,24,24,0.08)',\n              fill: true,\n              tension: 0.2,\n              pointRadius: 5,\n              pointBackgroundColor: '#D81818',\n              borderWidth: 3\n            }\n          ]\n        },\n        options: {\n          responsive: true,\n          maintainAspectRatio: false,\n          plugins: {\n            legend: { position: 'bottom', labels: { font: { family: \"'IBM Plex Mono', monospace\", size: 12 }, usePointStyle: true } },\n            tooltip: {\n              callbacks: {\n                label: function(ctx) { return ctx.dataset.label + ': $' + ctx.raw.toLocaleString(); }\n              }\n            }\n          },\n          scales: {\n            y: {\n              beginAtZero: true,\n              ticks: {\n                font: { family: \"'IBM Plex Mono', monospace\" },\n                callback: function(v) { return '$' + v.toLocaleString(); }\n              },\n              title: { display: true, text: 'Cumulative Cost ($)', font: { weight: 'bold' } }\n            },\n            x: {\n              ticks: { font: { family: \"'IBM Plex Mono', monospace\" } }\n            }\n          }\n        }\n      });\n\n      document.getElementById('gq-cost-results').classList.add('active');\n      document.getElementById('gq-cost-placeholder').style.display = 'none';\n    }\n  };\n})();\n<\/script>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>LED vs Halogen Cost Comparison See how much you save by switching from halogen to LED fountain lights over time. Your Setup LED Model GQ-FL-6W (6W)GQ-FL-9W (9W)GQ-FL-12W (12W)GQ-FL-18W (18W) Number of Fixtures Daily Operating Hours Electricity Rate ($\/kWh) US average: ~$0.12\/kWh | EU average: ~$0.25\/kWh Comparison Period (years) 3 Years5 Years7 Years10 Years Calculate Savings [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":2451,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-2602","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/pages\/2602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/comments?post=2602"}],"version-history":[{"count":0,"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/pages\/2602\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/pages\/2451"}],"wp:attachment":[{"href":"https:\/\/gqlamp.com\/pt\/wp-json\/wp\/v2\/media?parent=2602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}