QED Lab, Inc.

When it comes to energy efficiency and indoor comfort, Blower Door Testing plays a vital role in understanding how airtight a building truly is. Whether it’s a home or a commercial facility, air leaks can cause significant energy loss, higher utility bills, and uncomfortable indoor environments. Professional Blower Door Testing helps identify these issues so you can take the right steps toward a more efficient and comfortable building. What Is Blower Door Testing? Blower Door Testing is a diagnostic method used to measure the airtightness of a building. The process involves mounting a powerful, calibrated fan into an exterior doorway. When the fan operates, it either pressurizes or depressurizes the building. This change in air pressure allows professionals to detect air leaks in walls, ceilings, windows, doors, and other openings. The results provide crucial data about how much air escapes or enters a building, helping to determine the overall energy performance and identify where im...

When constructing or renovating commercial buildings in Bozeman, ensuring your air barrier performs correctly isn’t just about comfort. It’s essential for meeting local and state building codes.  Air barrier testing  in Bozeman is becoming increasingly more to Montana’s energy code and the 2021 IECC (International Energy Conservation Code). Failing to comply can lead to costly rework, failed inspections, or even fines. This post explains what you need to know about air barrier testing, ASTM E779 in Bozeman, ASTM E1827 in Bozeman, and ASTM E283 in Bozeman, in order to avoid violations and keep your projects on track. Why Air Barrier Testing Matters in Bozeman and Montana Montana’s energy code requires that commercial and residential buildings meet certain standards for envelope tightness. Part of this involves installing a continuous air barrier in the building envelope and conducting blower door or equivalent testing to confirm it meets the defined leakage limits. Without prop...

      Uncover the Hidden Energy Leaks in Your Home Have you ever wondered why your energy bills keep rising even though you’ve insulated your home and upgraded your heating system? The answer might be invisible — air leakage. Tiny cracks, gaps, and openings in your home’s structure can allow conditioned air to escape, making your HVAC system work harder than it should. Blower Door Testing helps uncover these hidden energy leaks so you can fix them and improve your home’s efficiency. What Is Blower Door Testing? Blower Door Testing is a specialized diagnostic method used to measure how airtight a building is. A large fan is placed in an exterior doorway to create a pressure difference between the inside and outside of your home. As air moves through cracks and openings, professionals can measure the amount of air entering or escaping the structure. The results reveal how well your home is sealed and where improvements are needed. Why Airtightness Matters Airtightness play...

 Water damage is one of the most common issues affecting homes and commercial properties. Even small leaks, if left unnoticed, can cause structural deterioration, mold growth, and costly repairs. This is why Water Leakage Testing plays a vital role in identifying problems early. By testing for leaks, you can prevent serious damage, protect your property’s value, and ensure a safe living environment. What is Water Leakage Testing? Water Leakage Testing is a process used to evaluate the ability of a building to resist water penetration. It involves inspecting areas such as windows, doors, roofs, walls, and foundations for weaknesses. The goal is to locate hidden leaks and seal them before they cause lasting damage. Professionals simulate conditions like heavy rain or wind-driven water to assess how well your property holds up. This provides accurate data about vulnerabilities that may not be visible during a casual inspection. Why Water Leakage Testing is Important 1. Protects ...