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Blower Door Test

Here’s How a Blower Door Test Can Make Your Home More Efficient

Blower door test

A blower door test is a method of measuring the air tightness of a building, as well as identifying spots in your home that are leaking air. Each leak in your home can cause your HVAC equipment to work harder, because cooled and heated air is leaking from the house. This test is normally conducted as part of a whole home energy audit. Continue reading to learn more about how it works, and how it can save you money.

 

How does this test work?

A blower door consists of a flexible frame, a powerful variable-speed fan, and a manometer, which is a device that will measure air leakage. The blower door mounts inside your front or back door’s frame. All exterior doors and windows will be closed, and all interior doors will be opened.

Turning on the blower door fan creates negative indoor air pressure. The high air pressure outside forces air inside the house through tiny cracks, loose windows, and other openings. The technician may use a smoke pencil to pinpoint areas of leakage. These openings are where outside air leaks into your home every day, and ultimately wastes energy.

After we locate the areas leaking air, our experts will improve the air-tightness of your home by fixing the air leaks. You should notice immediately that your HVAC equipment runs less frequently, and that your home stays cool or warm for longer periods between furnace or air conditioner cycles. If you use an air filter or dehumidifier, you should notice an improvement in those devices’ performances as well.

How could a blower door test save me money?

You probably spend thousands of dollars each year on heating, cooling, filtering, and perhaps dehumidifying the air in your home. Do you have any idea how much of that money is wasted by air leaking out of your home? You may be surprised to know how much money a blower door test could save you on your heating and cooling bills.

To discover how we can help you keep your home comfortable, economically and energy-efficiently, starting with a blower door test, call Comfort Services today at 803-772-4490.

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