Blower door testing
Diagnose problems in the building envelope with this simple, reliable tool. Air flowing in and out of a building can cause lots of problems; in fact, air leakage can account for 30 percent to 50 percent … Read more
air leakage test
Unmasking commercial energy loss
The need to achieve high-performance buildings has prompted design changes that incorporate efficient use of energy and resources. One of these changes, the design, installation and testing of the building air barrier, has … Read more
Beauty and the beast upstairs
The same features that are often added to the top story of homes to give them distinctive architectural beauty can also make them rather beastly to heat or retrofit. One-and-a-half-story … Read more
Air sealing in occupied homes
Over the last decade, many new techniques have evolved for improving the airtightness of existing homes. With this increased ability has come the responsibility to be comprehensive. There are … Read more
