What Is an Air Tightness Test and Why Does It Matter for Your Property
Understanding how effectively a building retains heat and prevents air leakage is central to evaluating its energy efficiency. One of the most reliable methods to assess this is through an air leakage test . This test examines how much air escapes through gaps, cracks, and other unintended openings in the building envelope. By identifying and addressing these leakage points, properties can become more thermally stable, cost-effective to operate, and compliant with energy regulations. This blog explains what an air-tightness test involves, how it is carried out, and why it is essential for property performance and energy compliance. Defining the Air Tightness Test An air tightness test, also known as air permeability testing, is used to determine how much air leaks from a building when it is pressurized. The process helps measure the integrity of the building envelope—the physical separator between the interior and exterior of a structure. Excessive air leakage can result in higher ener...