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1.5-ton AC Monthly Cost Calculator

This calculator works out focused 1.5-ton AC scenario with editable input power and load factor. This is a focused 1.5-ton usage scenario, not a claim that every 1.5-ton model consumes the same power. Replace the example values with information from your own label, bill, drawing, product sheet or land record. Check the exact model label, star-label period, room size and daily compressor behaviour before treating the estimate as typical. The formula and every editable assumption remain visible so the result can be checked before it is used for planning. Keep the values and result together when you compare or share this planning scenario.

Updated 6 September 2026Use for planningFormula and steps shown
01

Enter your details

Your values

Every input includes a simple explanation.

Simple wordsFormula shownPrivate inputs
Try an example routineIllustrative only—your electricity rate stays unchanged.
Simple estimateApproximate result using model input power; load factor stays visible in advanced assumptions.

Private: calculations run in your browser. Saved scenarios, preferred electricity rate and land state stay on this device.

Compare before you decide

Compare 1.5-ton AC operating assumptions

Cooling tonnage does not determine electrical input. Keep the same illustrative 1,500 W label and 8-hour routine, then see how average compressor load changes the monthly estimate. Replace all three with your own evidence.

Illustrative examples calculated with the electricity rate currently entered above.
ExampleInput basisMonthly energyMonthly costYearly cost
40% average load1,500 W × 8 h/day × 30 days × 0.40144 kWh₹1,152.00₹13,824.00
60% average load1,500 W × 8 h/day × 30 days × 0.60216 kWh₹1,728.00₹20,736.00
80% average load1,500 W × 8 h/day × 30 days × 0.80288 kWh₹2,304.00₹27,648.00
Evidence

All three are sensitivity examples, not measured 1.5-ton AC ratings or performance predictions.

What changes

Use the model's electrical label and a measured or evidenced operating factor. Tonnage is cooling capacity.

Pricing

Your entered electricity rate is kept unchanged across the comparison.

Useful next stepCompare the AC with the rest of your home

Place cooling, fans and refrigeration in one household electricity-use worksheet.

Put your whole home in one viewWhich appliances use the most electricity?Add your devices, compare their kWh and save a private home-energy worksheet.
Get a useful answer

How to use this calculator

  1. Step 1. Read the appliance label or product sheet for watts, then enter how long it runs.
  2. Step 2. Use the rate or bill details that apply to your own connection; an example is not a tariff.
  3. Step 3. Compare the result with a real bill and check non-energy charges separately.
What can change the answer

Check these details

01

Rated power can be different from average power while the appliance is running.

02

Voltage, automatic on-off cycling and equipment condition can change real use.

03

Use this as a budget estimate. The appliance label, how often it runs and all charges on your tariff determine the real bill.

Understand your result

What this answer means

Read the meaning first, verify the important details, then avoid the most common planning error.

What it means

This is a focused 1.5-ton usage scenario, not a claim that every 1.5-ton model consumes the same power.

What to check next

Check the exact model label, star-label period, room size and daily compressor behaviour before treating the estimate as typical.

Common mistake

Do not copy the example 1,500 W input into a purchase comparison when the shortlisted models publish different annual consumption.

Sources and method

Sources used for this calculator

Standards & Labelling ProgrammeBureau of Energy Efficiency, Government of IndiaUsed to explain why the model label is the preferred source for appliance energy information. No star-rating consumption figures are invented. Reviewed 2026-07-16.Documented dimensional-analysis formulasGharGanit editorial methodologyFormulas are derived from units and expose every editable efficiency, density, dry-volume and wastage assumption. Reviewed 2026-07-16.
Official verification links

Check the official context

These independent government and standards resources help you verify the inputs or decision. Inclusion is not an endorsement.

Browse all 72 verified links
Learn before deciding

Useful next reading

Read the electricity bill guide Understand bill charges Check a worked AC example Read a BEE AC label Compare AC tonnage and input watts Compare inverter and fixed-speed ACs
Calculator revision

Version 1.3

Updated 6 September 2026. Changes listed here describe this calculator release; they are not invented historical entries.

  • Added three explicit compressor-load sensitivity examples, not product ratings.
  • Separated cooling tonnage from electrical input power.
  • Linked the AC estimate to the global whole-home electricity worksheet.
Read the correction process