June 15, 2015 AIR REPAIR: Duct-leakage testing kits are typically made up of a duct-testing fan, pressure gauge, speed controller tubing, and flexible duct. HVAC professionals across the country are ...
Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback