Home & Living

Room AC Size Calculator

Estimate the right AC tonnage for an Indian room based on area, sunlight, and occupants.

Interactive tool

Room AC Size Calculator

Recommended size

1.5 ton AC

Cooling estimate

1.25 ton

Sunlight load

Medium

Room area150 sq ft

Occupants2

India checkTop-floor and west-facing rooms need extra margin

Next filterISEER rating and service

Choice IQ readout

This is a practical first estimate for Indian rooms. Top floor heat, poor insulation, open kitchens, and large windows can push you to the next AC size.

+ Check ISEER/star rating.
+ Compare inverter ACs first.
+ Confirm room size with an installer before buying.

Tool guide

How to use this room ac size calculator

Use this calculator before buying an AC to estimate whether a 1 ton, 1.5 ton, or 2 ton unit is more sensible for your room.

Formula

Cooling estimate = room area / 120, adjusted for sunlight and regular occupants.

Room AC Size Calculator results are planning estimates, not final financial or buying advice.

Change the inputs to compare optimistic, realistic, and conservative scenarios.

Use the result as a first filter, then compare products, providers, fees, and real-world constraints.

Decision guide

When to use this room ac size calculator

Best use case

Use this page when you need a quick first estimate before comparing products, lenders, subscriptions, or buying options. It is built for practical planning, not final professional advice.

Inputs needed

Keep these numbers ready: Room area, Sunlight, Regular occupants. If you are unsure, run one conservative estimate and one optimistic estimate.

Shareable result

After calculating, use the result link to save or share the same inputs. The URL parameters keep the calculation easy to revisit.

Common examples

Readers usually use this tool for bedroom ac sizing, living room cooling, top-floor room check. The best way to read the output is to compare scenarios instead of treating one result as a final answer.

How it works

Use this calculator before buying an AC to estimate whether a 1 ton, 1.5 ton, or 2 ton unit is more sensible for your room.

Examples

+ Bedroom AC sizing
+ Living room cooling
+ Top-floor room check

FAQ

How does the room ac size calculator work?

It uses the inputs you provide and applies a simple transparent formula: Cooling estimate = room area / 120, adjusted for sunlight and regular occupants.

Is the room ac size calculator free?

Yes. Choice IQ tools are free to use.

Can I use this result as a final decision?

Use it as a decision support estimate. For financial, legal, tax, or high-cost purchases, confirm the final numbers with the provider or a qualified expert.

Home & Living

Room AC Size Calculator

Estimate the right AC tonnage for an Indian room based on area, sunlight, and occupants.

Interactive tool

Room AC Size Calculator

Recommended size

1.5 ton AC

Cooling estimate

1.25 ton

Sunlight load

Medium

Room area150 sq ft

Occupants2

India checkTop-floor and west-facing rooms need extra margin

Next filterISEER rating and service