Building Envelope Leakage Testing

Building Envelope Leakage Testing

Building leakage testing by AirXpress Testing measures the infiltration and exfiltration of air in HVAC systems and buildings, ensuring that your structures are well-sealed and energy-efficient. By identifying and addressing air leaks, this testing helps improve your building’s energy rating, enhances HVAC system performance, and reduces overall energy consumption. Properly conducted building leakage testing not only promotes a comfortable indoor environment but also contributes to significant cost savings and environmental sustainability.

Why is this necessary?

Building leakage testing is essential for maintaining optimal energy efficiency and HVAC performance. This testing process identifies improperly sealed areas in a building, which can lead to significant energy losses, increased utility bills, and higher greenhouse gas emissions. By pinpointing these leaks, building owners can take corrective measures to seal gaps, thus enhancing the building’s energy efficiency and reducing operational costs. Additionally, identifying and fixing air leaks can improve indoor air quality and comfort, making the building more habitable and environmentally friendly.

4 Reasons why Air leakage Testing should be done:

•    Saves building owner money by identifying the energy losses
•    Improve the energy rating of your building
•   Reduce the cost to owners due to energy losses
•   Identify air leakage and drafts in building

Supported Standards Description
AS/NZS ISO 9972:2015 Thermal performance of buildings – Determination of air permeability of buildings – Fan pressurization method
ASTM E779 – 19 Standard Test Method for Determining Air Leakage Rate by Fan Pressurization
ASTM E1827-11(2017) Standard Test Methods for Determining Airtightness of Buildings Using an Orifice Blower Door
ASTM E283 / E283M – 19 Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Skylights, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

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