This blog post first appeared on the Andersen Windows ProViews Blog
We’ve known for a few decades that improving the air tightness of a home and installing a properly designed mechanical ventilation system can greatly enhance the performance of a home. Having the ability to verify the airtightness of the structure is key, we perform verification by using a tool called a blower door. This introductory blog will answer the questions; what is a blower door test? Why do we perform blower door testing? How is the test performed? How do we interpret the test results? What else can a blower door be used for? Are there codes relating to blower door testing? Before we dive into those questions, let’s start with that first question, what is a blower door test?
A blower door test is a test to confirm the continuity and integrity of a structure’s air barrier.
Continue reading “What is a Blower Door Test? An Introduction.”