Which AC Tonnage Do You Need? Room Size Guide for Kota Homes

Published 7 October 2026 · Repair Centre Kota

Short answer: As a rough guide, a 1-ton AC suits a room up to about 120 sq ft, 1.5 ton up to about 180 sq ft and 2 ton up to about 240 sq ft. In Kota's heat, choose the next size up if the room gets direct sun.

Room size and AC capacity

Room size	Suggested capacity
Up to about 120 sq ft	1 ton
About 120 to 180 sq ft	1.5 ton
About 180 to 240 sq ft	2 ton
Above 240 sq ft	2 ton or more, or two units

These are approximate. Ask the dealer or installer to confirm for your room.

When to go one size higher

Top-floor rooms or rooms under a roof that heats in the sun
Rooms with west-facing walls or large windows
Kitchen-side rooms
Rooms used by many people or full of electronics, such as hostel and PG rooms

If the AC is too small or too big

A unit that is too small runs all the time, cools weakly and wears out sooner. A unit that is too big switches on and off often, cools unevenly and does not remove humidity well.

Inverter or non-inverter

An inverter AC adjusts the compressor speed instead of switching it fully on and off, so it usually uses less power when run for many hours. It costs more to buy, and its control board costs more to repair.

Before you buy

Measure the room length, width and ceiling height
Check where the outdoor unit can be fixed and how long the pipe run will be
Ask how installation is charged and whether a stand or extra pipe is included

Need a repair? We fix out-of-warranty appliances at your door in Kota. Visit charge ₹500; the repair cost is quoted after the check.

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