HVAC Contractor helping a couple choose a furnace

What size furnace do I need?

When the time comes to replace your outdated furnace, it’s important to understand one size does not fit all. A system that is not sized correctly for your home, will not only impact your comfort, but can lead to shortened life of your furnace, and leave you spending extra money on your utility bills.

If you select a unit oversized for your house, you’ll start to notice short cycles. This is because your oversized furnace heated your home too quickly, turning off before the furnace can reach correct operating temperatures. An undersized or oversized system can lead to decreased lifespan and higher costs.

How can you be confident in the correct furnace size for your home? Begin with a load calculation from the professionals at B & B Heating & Cooling. A load calculation takes aspects from your home into review and identifies the Btu (a number that indicates the heating capacity of a furnace) necessary to heat your house.

Some Things that Influence Furnace Size

  • Square Footage—What size is the area your furnace will have to heat up? 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 beneficial to account only for the space that needs heating.
  • Home Insulation—Insulation helps keep warm air from leaving your home through the cold winter months. It also heavily affects energy efficiency and how large of a heating system will be necessary. Let the experts from B & B Heating & Cooling evaluate the insulation in your walls and attic. They’ll help you select the perfect furnace for your house.
  • Type of Window— Just like your walls, the specific type of windows in your home, frame type, glaze type, gas fills/spaces, etc. will have an impact on the heating and cooling needs of your home.
  • Outdoor Climate—Factor in the range of weather you experience in Florissant. You’ll want a furnace that can keep up with the conditions of your area every year, without overworking itself.

Don’t settle for ‘close enough’ when selecting your new furnace. Let the experts at B & B Heating & Cooling help you identify a system that will fit your home properly. When you’re ready to get started, you can reach us at 314-325-7552 or arrange an appointment online. Whether you have additional questions about furnace size or want to discuss options for your space, our experts are happy to help you out.

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