You will need 19,008 BTU/hour or 5,570 watt.
The British Thermal Unit, or BTU, is an energy unit. It is approximately the energy needed to heat one pound of water for 1 Fahrenheit. 1 BTU = 1,055 joules. 1BTU/hour = 0.293 watt.
- One very well-insulated 1,000-square-foot home in Boston needs around 24,000 BTUs to heat in winter.
- One 2,000-square-foot-home with normal insulation conditions in Washington, D.C., needs a 24,000 BTU air conditioner for adequate cooling in summer.