A calibrated fan and a manometer (pressure measuring instrument) are used together to calculate how much air is leaking out of your home. During this evaluation, our technician will go through each room using theatrical smoke to find and document the leaks. The gaps between drywall and plumbing or electrical boxes are typical leak points. A similar fan system is then used to evaluate the heating and cooling system ducts. The supply vent grills are sealed and the fan pulls air out of the return air grill. The fan and the manometer calculate how much air is leaking out of the duct system. See Air Sealing services for more information on how to stop leaks.
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Our technician will use a thermal imaging camera to document areas in your walls and attic where heat or cold is getting into your home due to missing or minimal insulation. To perform this service, the weather conditions have to be right, with the temperature outside being significantly more or less than inside the home so the camera can see the temperature differences in your walls and ceiling.
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