Pressurizes a house and measures hourly air changes in order to determine the tightness of a house. Used for energy auditing - tighter houses will have lower heating bills, but less fresh air.
Requires instruction to use accurately.
Pressurizes a house and measures hourly air changes in order to determine the tightness of a house. Used for energy auditing - tighter houses will have lower heating bills, but less fresh air.
Requires instruction to use accurately.