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Home Energy Saving Calculators

Discover exactly how much every appliance in your home costs to run. From ACs to ceiling fans, get precise monthly cost estimates and upgrade payback analysis.

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Home Energy Calculators

21 free tools to help you make smarter decisions

24states covered

Electricity Bill Calculator

Estimate your full household electricity bill with state-wise DISCOM slab tariffs for any Indian state.

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20+DISCOMs

AI Electricity Bill Explainer

Upload your electricity bill PDF or image and get AI-powered analysis of every charge, tariff, and hidden cost.

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50+appliances

Appliance Electricity Cost Calculator

Calculate electricity costs for 30+ home appliances — fans, geysers, fridges, washing machines — with real tariffs.

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2026BEE rates

AC Bill Calculator

The most accurate AC electricity cost calculator in India. Enter star rating, tonnage, usage hours for exact monthly cost.

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₹3,000+yearly savings

AC Savings Calculator

Find out how much you save by upgrading to a higher star-rated or inverter AC with payback period analysis.

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0.8–2.5Trange

AC Tonnage Calculator

Instantly find the right AC capacity for your room size, ceiling height, sunlight exposure and climate.

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2ACs compared

AC Comparison Tool

Compare electricity consumption and running costs of any two AC models side-by-side with BEE data.

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1.5kWavg/hr

AC Power Consumption Calculator

Calculate exact wattage, units consumed, and hourly cost for any AC by tonnage and star rating.

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100%safe install

AC Circuit Safety Calculator

Calculate the right MCB rating, wire gauge, and circuit capacity for your AC installation.

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4–6yrpayback

Solar ROI Calculator

Know exactly when your solar panels pay for themselves with 25-year savings projection and payback period.

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₹78Kmax subsidy

Solar Subsidy Calculator

Calculate PM Surya Ghar subsidy (up to ₹78,000), net cost, and payback period for your home.

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3kWavg home

Solar Panel Size Calculator

Calculate the exact kW system size and number of panels needed for your monthly electricity consumption.

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4–8hrbackup

Solar Battery Backup Calculator

Calculate backup hours and optimal battery size for your solar system during power cuts.

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6–12hrbackup

Solar Battery Backup Calculator

Calculate how long your solar battery backup will run all your home appliances during outages.

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65%BLDC savings

Ceiling Fan Electricity Cost Calculator

Calculate ceiling fan electricity consumption and monthly running cost. Compare standard vs BLDC fan savings.

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1–5star ratings

Refrigerator Electricity Cost Calculator

Calculate refrigerator electricity consumption by size, star rating, and usage. Compare inverter vs normal fridge.

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900VAmin size

Home UPS Sizing Calculator

Calculate the right inverter VA rating and battery Ah capacity for your home appliances and backup needs.

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3battery types

Inverter Battery Backup Calculator

Calculate how many hours your inverter battery will run during power cuts with appliance load analysis.

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15–90minutes

Room Cooling Time Calculator

Estimate how quickly your AC or air cooler cools any room based on tonnage, size, and outside temperature.

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0.5–2HP motors

Water Tank Filling Time Calculator

Calculate overhead tank fill time based on motor HP, pump flow rate, and tank capacity.

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1–20kVA range

Generator Fuel Consumption Calculator

Calculate diesel or petrol generator fuel usage per hour based on kVA rating, load, and runtime.

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