Base = Area x 430
10 x 430 = 4,300
+ windows : 1 x 1,000 = 1,000
sub = (Base + Windows) x 1 (sun)
sub = 5,300 x 1 = 5,300
+ People : 1 x 600 = 600
BTU / hour
0.49 Ton
1.73 kw 1729 w
Small office
Bedroom
Large bedroom
Living room
Open plan
Commercial
Calculated 5,900 BTU → 0.49 Tons. For best efficiency, round up to next available unit size.
