What size furnace do I need?

January 31, 2019

When you need to replace your outdated furnace, it’s important to understand one size does not fit all. A system that is not sized appropriately for your home, will not only impact your comfort, but can lead to shortened life of your furnace, and leave you with larger energy costs.

If you choose a system oversized for your house, you’ll start to experience short cycles. The reason is that your oversized furnace heated your home too rapidly, turning off before the furnace can reach the right operating temperatures. An undersized or oversized system can lead to decreased lifespan and cost you more in energy bills.

How can you be certain about the proper furnace size for your home? Start with a load calculation from the experts at Air Alliance Team. A load calculation takes particulars from your home into account and gauges the Btu (a number that indicates the heating capacity of a furnace) needed to heat your home.

Some Things that Influence Furnace Size

  • Square Footage—How big is the area your furnace will be heating? The technician will be sure to carefully measure the square footage of your home. Not every inch of your home will be considered during this process. Usually, it is more valuable to account only for the space that needs heating.
  • Home Insulation—Insulation assists in keeping warm air from leaving your home through the cold winter months. It also greatly affects energy efficiency and how large of a heating system will be necessary. Let the experts from Air Alliance Team review 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 influence your heating and cooling requirements.
  • Outdoor Climate—Consider the range of weather you get in Ballwin and St. Charles. You’ll want a furnace that can handle the conditions of your area every year, without overworking itself.

Don’t settle for ‘close enough’ when selecting your new furnace. Let the qualified technicians at Air Alliance Team help you pick a unit that will fit your home properly. When you’re ready to begin, call us at 636-206-4250 or schedule an appointment online. Whether you have additional questions about furnace size or want to discuss options for your space, we’re happy to help you out.