Hasman’s ductwork leakage testing in practiceĪll of our staff are fully trained in using state of the art equipment for DW143 leakage testing, as well as all testing methods and calculations. Testing is also useful for energy consultants in assessing a buildings efficiency, a leaky ductwork system can have very poor energy efficiency. A building’s owner may want testing on their existing systems as a means of checking performance, often areas of a building suffer from poor ventilation contributed to by leakage. Pressure testing may be requested by the architect to ensure that the ductwork contractor has carried out a satisfactory install. Many low class systems will have never been tested when they were installed, meaning they could leak significantly, wasting energy and failing to deliver the right volume of air for the building. Pressure testing isn’t just for new construction projects, it can also be carried out on old systems to check their condition. Testing of low class systems isn’t mandatory but may be requested. Testing is mandatory on medium and high class ductwork systems, which are installed in environments where ventilation performance is critical, such as hospitals. The test evidences that the ductwork has been installed correctly. The need for ductwork pressure testing is increasing as more architects and new building projects specifications request it. This service places ductwork under fixed pressure to ensure that leakage is not greater than allowable rates stated in BESA DW144.Īirtightness is crucial to ensure a ductwork system performs as designed. We know the importance of ductwork leakage testing here at Hasman, which is why we offer a nationwide ductwork pressure testing service in accordance with BESA DW143 leakage testing guidelines.
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