NYC AC Calculator

Find the right AC size for your room.

Use this simple room calculator to estimate the AC capacity you need for a bedroom, living room, studio, or kitchen-adjacent space, then browse matching models to buy.

Enter your room

Add the room size, ceiling height, sun exposure, and occupancy.

Get your estimate

The page calculates a practical BTU target for a room AC in one step.

Choose a model

Pick from six matching AC suggestions based on the final estimate.

Create a room estimate

Room details

Describe the room you want to cool and calculate a recommended AC size.

Standard room sizing assumes 8-foot ceilings.

AC Size Estimation

This page combines a practical room estimate with a shopping shortlist, similar to how Homeservice24 pairs quick actions with simple, reassuring explanations.

Your estimate

Recommended cooling capacity

Use this as a practical room-level target for a window AC or through-the-wall unit.

Small room
4,800 BTU/hr
About 0.40 tons of cooling
Area240 sq ft
Base load4,800 BTU
Occupancy adjustment0 BTU
Kitchen adjustment0 BTU
Ceiling factor1.00x
Sun factor1.00x
Final estimate4,800 BTU

Suggested AC models

Reveal six product options that fit the final cooling estimate.

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