700 sq ft room
The ENERGY STAR chart puts a 700 sq ft room at 14,000 BTU/hr.
| Situation | BTU/hr |
|---|---|
| Normal | 14,000 |
| Heavily shaded (−10%) | 12,600 |
| Very sunny (+10%) | 15,400 |
| 4 regular occupants (+1,200) | 15,200 |
| Kitchen (+4,000) | 18,000 |
Worked example
A sunny 700 sq ft living room used by 3 people: 14,000 × 1.1 = 15,400, plus 600 for the third person = 16,000 BTU/hr. Round up to the nearest unit size sold.
Frequently asked questions
How many BTU for 700 sq ft?
14,000 BTU/hr (ENERGY STAR chart), adjusted for sun and occupancy.