Energy Saver Tool

Heater Energy Saving Calculator

Calculate how much energy your heater uses and get smart suggestions to reduce electricity costs this winter.

Temperature Advisor

Enter current room temperature and your comfort preference for energy-efficient recommendations.

Power Cost Calculator

Calculate daily & monthly costs for any appliance (AC / Heater).

Winter Energy Saving Tips for Heaters

  • Drop thermostat by 1°C: Saves roughly 6–10% heating energy over the season.
  • Use programmable routines: Lower temperature when sleeping or away for big savings.
  • Seal drafts: Weather-strip windows & doors to keep heat in and reduce heater runtime.
  • Layer clothing: Wear warm clothes indoors so you can reduce thermostat setpoint.
  • Service heater & filter: Clean filters improve efficiency and airflow.
  • Use zonal heating: Heat only the rooms you use rather than the whole house.
  • Smart ventilation: Short, powerful airing (cross-ventilation) rather than leaving windows ajar.
  • Maintain insulation: Add rugs, close curtains at night to reduce heat loss.
  • Efficient settings: For heaters aim ~20–22°C and for AC avoid setting below 24°C.
  • Monitor usage: Use the cost calculator to plan and reduce runtime.

Filter / Service Reminder

Set reminders to clean filters or service your AC/heater. Reminders are stored in your browser.

Save energy, save money, save the planet

Frequently Asked Questions

How can I save heater electricity at home?

You can save heater electricity by keeping the thermostat around 20–22°C, sealing windows, and reducing usage by 1–2 hours daily.

Does reducing heater temperature save money?

Yes, every 1°C reduction in heater temperature can save around 6–10% on energy bills.

What is the best room temperature for energy saving?

The most efficient range for heaters is between 20°C and 22°C, ensuring comfort and savings together.

Related Posts

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(function (window, document) { "use strict"; const selectors = { board: "[data-coupon-board]", card: "[data-coupon-card]", toggleBtn: ".coupon-toggle-btn", copyBtn: ".coupon-copy-btn", summarizeBtn: ".coupon-summarize-btn", ideasBtn: ".coupon-ideas-btn", summaryBox: ".coupon-summary-box", ideasBox: ".coupon-ideas-box", details: ".coupon-details", feedback: ".coupon-feedback", terms: ".coupon-desc-list li", title: ".coupon-title", dateEl: "#coupon-current-date" }; const config = Object.assign( { geminiApiKey: "", geminiModel: "gemini-2.5-flash-preview-09-2025" }, window.couponsConfig || {} ); document.addEventListener("DOMContentLoaded", init); document.addEventListener("click", handleClicks); function init() { updateCurrentDate(); } function updateCurrentDate() { const el = document.querySelector(selectors.dateEl); if (!el) return; const now = new Date(); const formatted = now.toLocaleDateString("en-IN", { day: "2-digit", month: "long", year: "numeric" }); el.textContent = `As of ${formatted}`; } function handleClicks(event) { const toggleBtn = event.target.closest(selectors.toggleBtn); if (toggleBtn) { event.preventDefault(); toggleDetails(toggleBtn); return; } const copyBtn = event.target.closest(selectors.copyBtn); if (copyBtn) { event.preventDefault(); handleCopy(copyBtn); return; } const summarizeBtn = event.target.closest(selectors.summarizeBtn); if (summarizeBtn) { event.preventDefault(); handleSummarize(summarizeBtn); return; } const ideasBtn = event.target.closest(selectors.ideasBtn); if (ideasBtn) { event.preventDefault(); handleIdeas(ideasBtn); } } function toggleDetails(btn) { const card = btn.closest(selectors.card); if (!card) return; const details = card.querySelector(selectors.details); if (!details) return; const isCollapsed = details.dataset.collapsed !== "false"; details.dataset.collapsed = isCollapsed ? "false" : "true"; details.setAttribute("aria-hidden", String(!isCollapsed)); btn.setAttribute("aria-expanded", String(isCollapsed)); btn.textContent = isCollapsed ? "Hide Details" : "Show Details"; } async function handleCopy(btn) { const card = btn.closest(selectors.card); if (!card) return; const codeBox = btn.closest(".coupon-code-box"); if (!codeBox) return; const code = codeBox.dataset.couponCode; const autoOpen = codeBox.dataset.autoOpen === "true"; const dealUrl = codeBox.dataset.dealUrl || ""; const feedbackEl = codeBox.querySelector(selectors.feedback); if (!code) return; if (code === "NOCODE") { openDealUrl(dealUrl); showFeedback(feedbackEl, "Deal opened in a new tab."); return; } try { await copyToClipboard(code); showFeedback(feedbackEl, `Copied ${code}!`); if (autoOpen && dealUrl) { window.setTimeout(() => openDealUrl(dealUrl), 250); } } catch (error) { console.error("Copy failed:", error); showFeedback(feedbackEl, "Please copy manually.", true); } } function copyToClipboard(text) { if (navigator.clipboard && window.isSecureContext) { return navigator.clipboard.writeText(text); } return new Promise((resolve, reject) => { const textarea = document.createElement("textarea"); textarea.value = text; textarea.style.position = "fixed"; textarea.style.opacity = "0"; document.body.appendChild(textarea); textarea.focus(); textarea.select(); try { const successful = document.execCommand("copy"); document.body.removeChild(textarea); successful ? resolve() : reject(new Error("execCommand failed")); } catch (err) { document.body.removeChild(textarea); reject(err); } }); } function showFeedback(el, message, isError = false) { if (!el) return; el.textContent = message; el.classList.toggle("is-visible", true); el.style.color = isError ? "#b93838" : "#1b8c32"; window.clearTimeout(el._timeout); el._timeout = window.setTimeout(() => { el.classList.remove("is-visible"); }, 1800); } async function handleSummarize(btn) { const card = btn.closest(selectors.card); if (!card) return; const summaryBox = card.querySelector(selectors.summaryBox); const details = card.querySelector(selectors.details); if (!summaryBox || !details) return; if (summaryBox.innerHTML.trim()) { summaryBox.classList.add("is-visible"); btn.hidden = true; details.dataset.collapsed = "false"; details.setAttribute("aria-hidden", "false"); card.querySelector(selectors.toggleBtn)?.setAttribute("aria-expanded", "true"); return; } const terms = collectTerms(card); if (!terms.length) { summaryBox.textContent = "No details available to summarize."; summaryBox.classList.add("is-visible"); btn.hidden = true; return; } const originalText = btn.textContent; btn.textContent = "✨ Summarizing…"; btn.disabled = true; try { const systemPrompt = "You are a helpful assistant. Summarize the coupon terms into one clear sentence. Start with 'In short:' and highlight the main benefit or restriction."; const response = await callGemini(systemPrompt, terms.join(" ")); const cleaned = response.replace(/^In short:/i, "").trim(); summaryBox.innerHTML = `In short: ${cleaned}`; summaryBox.classList.add("is-visible"); btn.hidden = true; forceExpand(details, card); } catch (error) { console.error("Gemini summarize error:", error); summaryBox.textContent = config.geminiApiKey ? "Sorry, we couldn’t load the summary right now." : "Add your Gemini API key to enable this summary."; summaryBox.classList.add("is-visible"); btn.textContent = originalText; btn.disabled = !config.geminiApiKey; } } async function handleIdeas(btn) { const card = btn.closest(selectors.card); if (!card) return; const ideasBox = card.querySelector(selectors.ideasBox); const details = card.querySelector(selectors.details); if (!ideasBox || !details) return; if (ideasBox.innerHTML.trim()) { ideasBox.classList.add("is-visible"); btn.hidden = true; forceExpand(details, card); return; } const terms = collectTerms(card); const title = (card.querySelector(selectors.title)?.textContent || "").trim(); if (!terms.length && !title) { ideasBox.textContent = "Not enough info to suggest ideas."; ideasBox.classList.add("is-visible"); btn.hidden = true; return; } const originalText = btn.textContent; btn.textContent = "✨ Gathering ideas…"; btn.disabled = true; try { const systemPrompt = "You are a shopping assistant. Suggest 3-5 specific products or categories that match the coupon. Output as bullet points without extra text."; const payload = `Coupon Title: ${title} Terms: ${terms.join(" ")}`; const response = await callGemini(systemPrompt, payload); const items = response .split(" ") .map((line) => line.replace(/^[\-\*\u2022]\s*/, "").trim()) .filter(Boolean); if (!items.length) { throw new Error("No suggestions returned."); } ideasBox.innerHTML = `Shopping Ideas: `; ideasBox.classList.add("is-visible"); btn.hidden = true; forceExpand(details, card); } catch (error) { console.error("Gemini ideas error:", error); ideasBox.textContent = config.geminiApiKey ? "Sorry, we couldn’t get ideas right now." : "Add your Gemini API key to enable ideas."; ideasBox.classList.add("is-visible"); btn.textContent = originalText; btn.disabled = !config.geminiApiKey; } } function collectTerms(card) { return Array.from(card.querySelectorAll(selectors.terms)).map((item) => `- ${item.textContent.trim()}`); } function forceExpand(details, card) { details.dataset.collapsed = "false"; details.setAttribute("aria-hidden", "false"); const toggleBtn = card.querySelector(selectors.toggleBtn); if (toggleBtn) { toggleBtn.textContent = "Hide Details"; toggleBtn.setAttribute("aria-expanded", "true"); } } function openDealUrl(url) { if (!url) return; const newWindow = window.open(url, "_blank", "noopener"); if (newWindow) { newWindow.opener = null; } } async function callGemini(systemPrompt, userQuery, retries = 2, delay = 900) { if (!config.geminiApiKey) { throw new Error("Gemini API key missing."); } const endpoint = `https://generativelanguage.googleapis.com/v1beta/models/${config.geminiModel}:generateContent?key=${encodeURIComponent( config.geminiApiKey )}`; const payload = { contents: [{ parts: [{ text: userQuery }] }], systemInstruction: { parts: [{ text: systemPrompt }] } }; try { const response = await fetch(endpoint, { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(payload) }); if (!response.ok) { if (response.status === 429 && retries > 0) { await wait(delay); return callGemini(systemPrompt, userQuery, retries - 1, delay * 2); } throw new Error(`Gemini API error: ${response.status} ${response.statusText}`); } const json = await response.json(); const text = json?.candidates?.[0]?.content?.parts?.[0]?.text; if (!text) { throw new Error("Gemini response missing text."); } return text; } catch (error) { if (retries > 0) { await wait(delay); return callGemini(systemPrompt, userQuery, retries - 1, delay * 2); } throw error; } } function wait(ms) { return new Promise((resolve) => window.setTimeout(resolve, ms)); } })(window, document);