Air Leakage in A Home

All homes leak air and when the air leaks new air enters the building to replace the leaked air. It’s not necessarily bad to leak some air so that newer fresher air can be replaced. However, each time the new air enters the building it needs to be reheated or cooled resulting in energy consumption. We use a blower door test to ensure that an acceptable amount of air leakage escapes from the building.

Air Leakage also occurs in ductwork within the home. This type of air leakage should be kept to a minimum by ensuring that the ducts are as sealed as possible. Air leakage in the ductwork will usually end up within the walls or unfinished areas such as basements, attics or crawl spaces. Duct leakage testing is done to ensure that the ducts are as tight as possible and the conditioned air flows through the register and into the home as intended.

Refer to the graphic below for common air leakage areas in a home.

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Brett Eberlin
76 days ago
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Jacob was on time very professional and a pleasure to work with
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Patrica Flanagan
77 days ago
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Jacob was great. Highly recommend
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Robyn L
77 days ago
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we performed 3 three blower door tests on our new construction house in Marmora, NJ using this company (aka "blowerdoortest.com"). Jacob was quick, efficient, helpful, and friendly. The cost for the test was very reasonable ($390). I would highly recommend them.
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Robert Carico
84 days ago
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I had a really good experience with Local Energy Audits. Ori was professional, thorough, and took the time to explain everything clearly. He walked me through the house, pointed out areas where energy was being lost, and gave some practical suggestions for improving efficiency. The report was very helpful and gave me a much better idea of where to start. I’d definitely recommend them for an energy audit.
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Greg R
137 days ago
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They came in and did a great job for my duct leakage test. The technician was knowledgeable and very easy going. Thanks guys!
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Santech Construction
232 days ago
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We’ve had the pleasure of working with Local Energy Audits on several projects and have been very impressed with their service. They are consistently professional, responsive, and easy to work with. We would highly recommend them.
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Davco Construction
232 days ago
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Great company and great staff!
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Saima Faiz
759 days ago
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I recently contacted Local Energy Audits for help with a suspected duct leak. From the start, they asked all the right questions and even requested pictures to better understand the situation. Based on the information I provided, they recommended a specific service, which, surprisingly, they didn't even sell. They didn't charge me anything for their time, and the advice they gave was invaluable-something I hadn't received from anyone else. Their honesty, professionalism, and genuine desire to help really stood out. I highly recommend them if you're looking for expert advice and outstanding service.
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Max Young
790 days ago
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Frustrated with my high electric bills - despite an efficiency drive in lighting and appliances in the house - I suspected that my HVAC was to blame but didn't know where to start. Research suggested an energy audit would be a good place to start, and I am very happy I chose to work with Local Energy Audits. Ori was extremely professional, thorough, and on-time. After the blower door test was set up and running, he walked through every room in the house with me, patiently reviewing all the leaks and explaining possible fixes. The information in his report is invaluable, and I feel infinitely better informed as to how to tackle improving the energy efficiency of my house. Particularly given the new federal tax credits for energy efficiency, I found the price for ~2 hours of Ori's time and expertise, plus the fact that I can now build a plan of attack, to be extraordinarily reasonable. Highly recommend anyone looking for an energy audit to get in touch with them!
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Robin Rafkin
869 days ago
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I had called numerous companies and had numerous individuals to our house. No one could figure out the issues. Ori explained everything and fixed the issues. He and his crew are wonderful!
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