Search Site

You're currently on:

BTU Output Heating Guide
  HEATER SIZING GUIDE HEATER OUTPUT RATING*

(BTU's) 5,000 10,000 15,000 20,000 25,000 30,000 40,000
Heating Area (sq. ft.) 200 400 600 800 1000 1200 1400



*Areas shown are approximate sizes and are based on an average home.