Gas Furnace Sizing Chart Canada

Most furnaces are offered in 15 000 20 000 btu increments so you just need to get close in terms of sizing.

Gas furnace sizing chart canada.

Btu charts furnace output and air conditioner size for a bungalow bungalow area sq ft furnace output btu hr air conditioner size ton built after year 1980 built before year 1980 built after year 1980 built before year 1980 up to readmore. Sizing a gas furnace calls for knowing your home and its winter needs. Typical residential gas furnaces will be available in various sizes between 44 000 btu h and up to 120 000 btu h. In addition to weather and climate the size of your home also has a direct impact on the size furnace you ll need.

Understanding furnace efficiency ratings. X 40 heating factor from the chart above 80 000 btu actual output. These factors include the extent of exposure to the sun and the outside air the thickness and type of outside wall insulation the size type and number of windows and outside doors the ceiling height etc. Your local carrier dealer is experienced at calculating furnace size and will do what s called a load calculation to determine the size most appropriate for your home.

If the furnace you selected is more than 10 below your heating requirement we suggest you go up to the next size. Next if you need to calculate the output you need on a gas furnace simply multiply its efficiency by its listed input rating for the btu output of heat.