BTU Needed for a Bedroom
How many BTU does a bedroom need? Estimate the AC size for this room type with sun, insulation and climate adjustments.
Runs locally in your browser — no upload, no trackingTry: Room area=144, Ceiling height=8, People usually in room=1, Room type=bedroom, Sun exposure=avg, Insulation quality=avg, Climate zone (1–5)=3 → 3,000 BTU, 0.25 ton, 5,000 BTU window unit, 5,000 BTU
How to use
Bedrooms usually hold one or two people and little heat-producing gear, so they need the least BTU per square foot. Add a little for a TV or computer, and keep the unit quiet. The calculator pre-fills the room type so the right adjustment (for example the +4,000 BTU kitchen load) is already applied. Change area, ceiling, sun and climate to match your space.
FAQ
How many BTU do I need for a bedroom?
It depends on the room's square feet and conditions, but a bedroom typically needs the base 20 BTU per square foot plus type-specific loads. Bedrooms usually hold one or two people and little heat-producing gear, so they need the least BTU per square foot. Add a little for a TV or computer, and keep the unit quiet.