by Mark Hansberger on March 21, 2017May 3, 2017 Air Leaks: How to Detect Them How airtight is your home? If your house is older, you probably have a number of places where conditioned air escapes, and unconditioned air gets in. If your house is newer, construction is probably tighter, […]Read More Filed Under: HVAC system Tagged With: air leaks– Detecting air leaks– DIY– energy audit– energy savings– HVAC DIY