## How do you convert BTU to square feet?

To determine the number of BTUs per square foot that you need to heat a room, simply multiply the square footage by 20 BTUs per square foot.

For example, if a room has 1,000 square feet, you would require 20,000 BTUs to heat it..

## How many BTU do I need for 800 square feet?

Window Air Conditioning Chart100 Sq. Ft.5,000 BTU400 Sq. Ft.10,500 BTU500 Sq. Ft.11,500 BTU800 Sq. Ft.17,000 BTU1,000 Sq. Ft.21,000 BTU2 more rows•Jun 15, 2020

## How many BTU do I need for 3500 square feet?

Furnace Output and Air Conditioner size for a BungalowBungalow Area [square feet] *Furnace Output [BTU/hr]Air Conditioner size [ton]1200 to 1500 sq ft50,000 BTU/hr2 ton1500 to 1800 sq ft55,000 BTU/hr2 ton1800 to 2500 sq ft65,000 BTU/hrup to 2.5 ton2500 to 3500 sq ft80,000 to 90,000 BTU/hr3 to 3.5 ton3 more rows•Feb 2, 2018

## How many BTU do I need for a 20×20 room?

Air Conditioner BTU ChartRoom/Area Size:Examples:Recommended BTU:300-400 sq ft18x18 room, 20×20 room8,000400-500 sq ft22x22 room, small studio apartment10,000500-600 sq ft24x24 room, average studio apartment12,000600-700 sq ft2 rooms, small apartment14,0006 more rows