What Size Gas Furnace Do I Need For 1200 Sq Ft

By staff writer last updated apr 17 2020 10 17 50 pm et.

What size gas furnace do i need for 1200 sq ft. Most 1 200 square foot homes needs a furnace with an effective output of 40 000 to 50 000 btus. For example the manual j calculation may say you need 25 000 btus for cooling. But the average homeowner can t simply go out and buy just any furnace. And if you re in need of a new furnace now is the time to act.

What size furnace do i need for a 1200 square foot house. A heating degree day calculation using the month of july as a factor is a more precise way of estimating furnace size. If you get the sizing wrong you will have a hard time escaping winter s chill and or your energy bill. You need to purchase the right size furnace to heat your home effectively and manage your energy costs.

Calculate the square footage of your home add up the areas of all the rooms in your home you would like to heat. How to calculate the right size furnace. As you know estimating the size of your furnace heating system involves considering a variety of factors. Here are the first two steps you should take to estimate furnace size.

Finding the right sized gas furnace for a home often runs into the goldilocks problem some are too large and some are too small. For example a 50 000 btu. Getting the right one. If your btu requirement is between sizes simply go with the bigger unit.

Natural gas for a furnace is priced by the therm or per 100 000 btus. The effective btu output which is based on its efficiency rating is a percentage of the btu input rating.