What size gas furnace do I need?

Answer New, more efficient furnaces and advances in load calculation techniques have changed the way furnace sizes are determined. Having the wrong size furnace can lead to high energy costs and low comfo... Read More »

Top Q&A For: What size gas furnace do I need

What size furnace filter is used for a Honeywell furnace?

Honeywell furnace filters come in a range of sizes depending on the size of your furnace. Honeywell filter sizes are 16 inches by 20 inches, 16 inches by 25 inches, 20 inches by 20 inches, 20 inche... Read More »

How do I calculate furnace size to the size of a home?

Calculate Square FootageMeasure the number of square feet of your home that need to be heated by the furnace. Include hallways, closets and the basement if it will be heated. Alternately, you may a... Read More »

What size should a furnace filter be?

On One Hand: Proper Sizes for FurnacesForced air furnaces or electric furnaces require a filter in order to function properly. This reduces the dust in the air and helps your furnace function more ... Read More »

What size gas furnace is needed for 1,100 square feet?

If you live in the colder regions of the United States (for instance, the Northeast and upper Midwest), you should plan on 50 to 60 BTUs (British Thermal Units) per square foot, so you would need a... Read More »