A blower door can do much more than provide the CFM 50 number to put on a form. Learn how to use the blower door to evaluate a house. Find out how to properly interpret what it is telling you. Is the air blasting in through the register a leak to the outside or a disconnected duct in the basement? Is that nasty crawl space inside or outside of the house?
By attending this session, participants will
1. Receive new ideas for saving time and increasing the speed and effectiveness of your air
sealing work
2. Improve your ability to interpret blower door clues
3. Learn to use the blower door for quality assurance