What Is DW143 Leakage Testing And Why Do I Need It?

We know the importance of leakage testing for HVAC systems and ductwork here at Hasman, which is why we offer a nationwide ductwork DW144 pressure testing service in accordance with BESA DW143 leakage testing  guidelines. This service places ductwork under fixed pressure to ensure that leakage is not greater than allowable rates stated in BESA Read more…