HVAC Contractor helping a couple choose a furnace

What size furnace do I need?

When the time comes to upgrade your outdated furnace, it’s important to realize one size does not fit all. A system that is not sized properly for your home, will not only impact your comfort, but can result in shortened life of your furnace, and leave you stuck with higher energy bills.

If you pick a unit oversized for your house, you’ll start to run into short cycles. This means your oversized furnace heated your home too fast, turning off before the furnace can reach proper operating temperatures. An undersized or oversized system can lead to reduced lifespan and higher costs.

How can you be sure you know the proper furnace size for your home? Begin with a load calculation from the team at Oak Grove Heating & Air Conditioning. A load calculation takes particulars from your home into consideration and measures the Btu (a number that indicates the heating capacity of a furnace) required to heat your space.

Some Items that Influence Furnace Size

  • Square Footage—How large is the area your furnace will need to heat? Your technician will be sure to carefully measure the square footage of your home. Not every inch of your home may be included during this process. Usually, it is more useful to account only for the space that needs heating.
  • Home Insulation—Insulation assists in keeping warm air from leaving your home throughout the cold winter months. It also strongly affects energy efficiency and how large of a heating system is required. Let the professionals from Oak Grove Heating & Air Conditioning evaluate the insulation in your walls and attic. They’ll help you select the ideal furnace for your house.
  • Type of Window— Just like your walls, the particular type of windows in your home, frame type, glaze type, gas fills/spaces, etc. will play into what heating and cooling needs your home requires.
  • Outdoor Climate—Consider the range of weather you get in Hattiesburg. You’ll want a furnace that can sustain the conditions of your area every year, without overworking itself.

Don’t settle for ‘close enough’ when selecting your new furnace. Let the professionals at Oak Grove Heating & Air Conditioning help you identify a solution that will fit your home properly. When you’re ready to begin, call us at 601-292-9763 or arrange an appointment online. Whether you have some questions about furnace size or want to chat about options for your space, our experts are happy to help you out.

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