Electricity Cost Guide

1 Ton AC Electricity Bill — Monthly Cost & Units Per Hour

A 1 ton AC uses 0.8–1.1 units per hour. At 8 hours daily use and ₹9/unit tariff, the monthly electricity bill is ₹1,728–₹2,376 for a 5-star inverter and ₹2,160–₹2,880 for a 3-star non-inverter.

1 Ton80–120 sq ft1944/mo (5-star)

Quick Answer

A 1 ton AC uses 0.8–1.1 units per hour. At 8 hours daily use and ₹9/unit tariff, the monthly electricity bill is ₹1,728–₹2,376 for a 5-star inverter and ₹2,160–₹2,880 for a 3-star non-inverter.

1 Ton AC — Units Per Hour & Monthly Bill

Based on 8 hours daily use at ₹9/unit tariff. Actual bill varies by city, set temperature, and room conditions.

AC TypeUnits/HourUnits/DayMonthly UnitsMonthly Bill
5-Star Inverter0.9 units7.2 units216 units1944
3-Star Inverter1.1 units8.8 units264 units2376
3-Star Non-Inverter1.3 units10.4 units312 units2808

Inverter vs Non-Inverter Savings

A 1 Ton 5-star inverter AC saves 864 per month compared to a 3-star non-inverter. Over a 6-month season, that's 5184 in savings.

5-Star Inverter

1944/mo

3-Star Non-Inverter

2808/mo

Monthly Savings

864/mo

What Affects Your 1 Ton AC Bill

Set Temperature

Every 1°C above 24°C saves ~3–5% electricity. Setting your 1 Ton AC to 26°C instead of 22°C saves ₹233–₹389 per month.

City Tariff

Electricity tariffs range from ₹6.5/kWh (Uttar Pradesh) to ₹9.5/kWh (Maharashtra). At ₹6.5/unit, your 1 Ton 5-star bill drops to ₹1404/mo. At ₹9.5/unit, it rises to ₹2052/mo.

Daily Usage Hours

The bill scales linearly with usage. At 4 hrs/day: ₹972/mo. At 12 hrs/day: ₹2916/mo. At 16 hrs/day: ₹3888/mo.

Room Conditions

Top floor rooms with direct roof heat use 15–25% more power. Poor insulation and large west-facing windows add another 10–20%. A well-insulated room saves ₹292–₹486/mo.

Best For: Small bedrooms, study rooms, guest rooms

A 1 Ton AC is ideal for Small bedrooms, study rooms, guest rooms. It covers 80–120 sq ft efficiently and provides the right balance of cooling power and electricity cost.

80–120 sq ft900W running1944/mo
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Frequently Asked Questions

How many units does a 1 ton AC consume per month?
A 1 ton 5-star inverter AC consumes 216–240 units per month at 8 hours daily use. A 3-star non-inverter consumes 288–360 units per month. The difference is 72–120 units/month, saving ₹648–₹1,080 at ₹9/unit.
What is the monthly electricity bill for 1 ton AC?
Monthly bill for a 1 ton AC at 8 hrs/day: 5-star inverter: ₹1,728–₹2,160 | 3-star inverter: ₹2,160–₹2,376 | 3-star non-inverter: ₹2,376–₹2,880. At ₹9/unit tariff.
How much electricity does 1 ton AC use per hour?
A 1 ton AC uses 0.8–1.3 units per hour depending on type: 5-star inverter: 0.8–0.9 units/hr | 3-star inverter: 1.0–1.1 units/hr | 3-star non-inverter: 1.2–1.3 units/hr.
Is 1 ton AC expensive to run?
A 1 ton 5-star inverter AC is one of the most economical ACs to run. At ₹9/unit and 8 hrs/day, it costs ₹64–₹72 per day — about ₹1,944 per month. This is 30–40% cheaper than a 1.5 ton AC.
How to reduce 1 ton AC electricity bill?
To reduce 1 ton AC bill: 1) Set temperature to 24–26°C (saves 18–22%), 2) Use sleep mode at night, 3) Clean filters monthly, 4) Use ceiling fan with AC (allows 2°C higher setting), 5) Ensure room is well-insulated.

Calculate Your Exact AC Bill

Use our AC Bill Calculator to estimate your monthly electricity cost with your exact tonnage, usage hours, and city tariff.

AC Bill Calculator

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