Below please find a calculator that should help you get started with a rough estimate for your HVAC system. will help give an estimate that is measured in – BTU (British Thermal Unit).

This Calculates a Combination Of:
  • Size
  • Room Ceiling Height
  • Number of Regular People Inside
  • Type of Room
  • Insulation Condition
  • Sun Exposure
  • Climate
  • Desired Temperature
  • Other Factors

“The British Thermal Unit, or BTU, is an energy unit. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hour, or the energy released by burning one match. 1 watt is approximately 3.412 BTU per hour.” –

For a more accurate estimate, please call us and set up an appointment to discuss your system needs: (971) 260-9553