Fully Accredited, Independent, Third Party, Window Testing, Whole Building Air Leakage Testing, and Laboratory Testing

Whole Building Air Leakage Testing

QED LAB performs air barrier testing, also known as whole building air leakage testing or blower door testing, on a daily basis across the Pacific Northwest. We test commercial and residential buildings of all sizes. We know that the timing of this test matters. We have the teams and the equipment to perform your test and deliver a compliant report when you need it. We support your project with efficient test prep, and, if extraneous air leakage is discovered, QED LAB diagnoses the leak and provides clear next steps.

Window Testing

At QED LAB, we provide expert window testing services internationally to ensure your windows meet the highest standards of energy efficiency, durability, and performance. Our team uses advanced testing methods to assess factors like air and water infiltration, structural integrity, and thermal efficiency, helping you optimize your windows for energy savings and comfort. We identify any potential issues to ensure your windows are not only compliant with local building codes but also perform effectively against the diverse weather conditions. With QED LAB, you can trust that your windows are tested thoroughly for reliability and long-lasting performance.

Why Choose QED LAB?

Choosing our services means working with a nationally recognized and trusted company dedicated to honest and reliable work. As an FGIA/AAMA-accredited lab with expanded ASTM and AAMA field test accreditations, we deliver high-quality testing solutions with precision and professionalism.

We specialize in Lab Testing, Field Testing, and Water Leakage Testing, providing accurate results, advanced testing methods, and dependable service for commercial and residential projects. Our experienced team is committed to ensuring safety, compliance, and long-term performance for every project.

Looking for more information about Building Envelope Testing?

At QED LAB, we offer a Lunch and Learn where we provide valuable insights into code requirements and building envelope testing. Our experts will explain how these tests are performed and meet compliance with building codes. Join us for lunch and learn more about building envelope testing today!

Frequently Asked Questions

What testing services does QED Lab Inc. provide?

QED Lab Inc. is a nationally recognized, FGIA/AAMA-accredited independent testing laboratory offering a full range of building performance testing services. We specialize in window testing, blower door testing, lab testing, field testing, and water leakage testing — all delivered with precision, impartiality, and a commitment to the highest industry standards. Whether you are a builder, architect, manufacturer, or property owner, our third-party evaluations give you the reliable data you need to verify performance, ensure compliance, and complete your project with confidence

Blower door testing — also called whole building air leakage testing or air barrier testing — measures how airtight your building envelope is and helps pinpoint areas where air is escaping. This testing is essential for improving energy efficiency, meeting state energy code requirements, and ensuring occupant comfort. At QED Lab Inc., we perform blower door testing on residential and commercial buildings of all sizes across the Pacific Northwest. Our experienced team delivers fast, accurate results and, if excess leakage is found, provides clear diagnostic guidance so you can resolve issues quickly and stay on schedule.

Window testing evaluates how well windows perform against air infiltration, water penetration, and structural loads — verifying compliance with AAMA, ASTM, and applicable building code standards. QED Lab Inc. provides expert window testing services for manufacturers validating new products and builders confirming field installation quality. Using advanced testing methods, we assess thermal efficiency, durability, and long-term performance to help you identify issues before they become expensive problems. Our AAMA-accredited, independent evaluations deliver the unbiased results that architects, contractors, and manufacturers rely on to protect their projects and reputations.

Yes. QED Lab Inc. specializes in both on-site field testing and water leakage testing for residential, commercial, and institutional projects. Our team travels to your project site fully equipped to evaluate building enclosure performance under real-world conditions. Water leakage testing is critical for verifying that windows, curtain walls, and other building components properly resist water intrusion — protecting your structure and your investment for the long term. As an independent, third-party laboratory, we deliver unbiased results that give you the confidence to move forward knowing your building performs as designed.

Scheduling testing services with QED Lab Inc. is simple. Contact our team to discuss your project requirements, testing goals, and timeline. We will recommend the most appropriate testing solutions and provide professional support throughout the process. Reach out today to learn how our independent testing services can help improve your project’s performance, compliance, and overall success.

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