App Description

A very handy BTU calculator on iPhone. No internet required so works anywhere. Instantly calculates BTU's

1. Choose and enter the appropriate values on the home page.
2. Click "CALCULATE Total BTU's" for BTU requirements.

Boiler should be sufficient to supply all connected radiators to the sum of their maximum demand.

Larger rooms,living rooms etc may require more than one radiator positioned evenly throughout the room. If this is the case, divide the required output between the number of radiators needed.

iPhone Screenshots

(click to enlarge)

BTU Calc screenshot 1 BTU Calc screenshot 2 BTU Calc screenshot 3

App Changes

  • November 29, 2012 Initial release
  • August 17, 2013 Price increase: $0.99 -> $2.99