How to Estimate Size for a Replacement Gas Furnace

Gas furnaces are designed to be long-lasting and reliable, but sooner or later, they need to be replaced just like any other appliance. Furnace specialists can replace your old furnace with a new one, but before that happens, you need to determine the size and type of furnace for your home. The easy solution is to simply ask for a furnace the same size as your old one, but that may not be the best option.

Here’s how to estimate size for a replacement gas furnace in Oregon City:

Sizing matters because an improperly sized furnace can cost you a great deal. If it’s not powerful enough to heat your home… well… it won’t heat your home! If it’s too powerful, on the other hand, it will cycle on and off throughout the day, costing you a great deal of money in unnecessary wear and tear. Proper sizing is critical for maximum furnace efficiency.

Estimating that size is trickier than it seems. In the first place, you have to take the furnaces AFUE (annual Fuel Utilization Efficiency) rating into account. The higher the rating, the more efficiently it will heat your home, and the smaller it will need to be. In most cases, your new furnace will have a higher AFUE rating than your old one, so you might not need to spend as much as you thought.

Other factors involved in calculation include your home’s exposure to sunlight (which can naturally warm you home if you have a lot of it) and the amount of insulation it has (which will help it better retain the heat generated by the furnace). And of course, you need to estimate the square footage of your home, which remains the primary factor in determining the proper size.

As you might imagine, the calculations to estimate size for a replacement gas furnace can get very complicated with all of those variables to consider. That’s why you need trained professionals like the ones at Clean Air Act to help. We handle furnace services in Oregon City and we can properly size your new furnace to ensure you get the most value for your money. Give us a call today to set up an appointment!

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