Commercial / Industrial Air Duct Cleaning Should be a Part of Regular Maintenance

What Air Duct Cleaning Can Do For You Temperature Drop The average temperature drop (or DeltaT at the cooling coil) before cleaning was 9.6°. After cleaning, the temperature drop was 15.5°. That is a 61% improvement. CFM The CFM is defined as the volume of air moving through the system. After professional duct cleaning, there […]