How do we explain what happens in the houses that we investigate? Well, the reality is that we can't always be 100% sure what is going on. Take this crawlspace vapor barrier for example. Why is it ballooning up at random times and why does it do it every time a blower door test is performed? Not sure why, but the resources below is where I would go to try and figure it out.
Building Science 101
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If you’re looking for a home that is healthier, more comfortable and more energy efficient, it’s important to ask the right people the right questions. Real estate professionals and home builders have the information and resources needed to answer the questions that matter most. The resources below will help connect you with the knowledge you need to make informed decisions during the home-buying process, so you can get everything you want in your next home.
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North East Efficiency Partnership Resources Guide
Heat Pump Buyers Guide from NEEP