The TDL test is a diagnostic tool used to measure the airtightness of ventilation, air heating, and air conditioning ducts. This process involves sealing the entire ventilation system and then pressurizing it to determine its degree of tightness. Technicians measure the amount of air pressure escaping from the ducts and then track the locations so that they can be repaired or sealed. To check for leaks in the ducts, professional methods are used to perform a more accurate analysis. Specialized equipment is connected to the duct system and then the airflow measurements are recorded to determine if there are any leaks.
A visual inspection of the duct system is done to detect any obvious problems, such as punctures in the ducts or leaks around the connections. Next, a duct cleaning test and an air balance test are performed to get a more detailed view of the ducts. The certificate shows the number of leaks in the ducts before and after sealing, as well as a graph of the sealing process and the overall improvement in heating or cooling capacity. Build-up can inhibit the free circulation of air through the ducts, causing perforations and cracks along ducts, leaks around connections, and gaps around vents and air inlets. To ensure that the ventilation system remains in excellent condition with an airtight seal, an outdoor duct leak test is performed to measure only leaks in ducts that are outside the home's air barrier.
Professionals use a Carrier Aeroseal air and heat injection system to perform tests to identify where there are air leaks in the ducts. In addition to professional testing methods, homeowners can do a few things to identify duct leaks. A duct cleaning test measures the efficiency of the air circulating through the ducts, while an air balance test measures the performance of the duct system. A fume machine can also be used to detect air leaks and seal them before placing them. To guarantee that your ventilation system is functioning properly and efficiently, it is essential to have it tested after a professional air vent sealing service has been completed. This will help you save energy costs and protect your home from potential health hazards caused by poor indoor air quality.