Typical House Leaks Energy Load Calculations Mission Priorities Services Infra Red Scan Photo Blower Door Testing Schedule An Energy Audit Links Home Contact Us Blower Door Testing: This is a way of pressure testing your house. In doing so, we can calculate just how tight your house is, and how it compares in overall air tightness to other houses -including new houses being built today. Our measurements include calculated Air Changes Per Hour, and Equivalent Leakage Area (ELA). ELA is the sum total of all of the leaks in your home represented as a single hole measured in square feet. Most houses have between 1 and 2 square feet Equivalent Leakage Area. In other words, your home probably has air leakage Equivalent to one or two square feet -like an open window! Our recommendation is to Build Tight/ Ventilate Right! In following this and our other recommendations you will optimize your homes safety, durability, comfort, energy savings and cost-benefit.
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