Blower Door Testing: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
Is a blower door test required?
For new homes in many states and cities that adopted recent energy codes, yes. Check with your building department.
What if the home fails?
Leaks are sealed and the test is repeated. A pre-drywall test reduces the risk.
Who can perform it?
A tester accepted by the building department, often RESNET or BPI certified.