18,000
21,000
Roughly 550.
btus needed to heat & cool 625sf room
how many square feet does a 14,000 btu heater heat
900
18,000
21,000
About 365 square feet.
400 to 450
Roughly 550.
600 square feet.
1500
Roughly 320-350 square feet.
14,000
1500 sq ft.
around 400 SF, not ft