Available Technology

Acoustic Building Infiltration Measurement System/Sonic Leak Quantifier (SonicLQ)

Technology available for licensing: Building infiltration – the uncontrolled leakage of air in and out of a building envelope – accounts for a significant portion of the heating and cooling energy for buildings and is estimated to account for nearly 4% of all energy use in the United States. Infiltration can be measured on residential and small commercial buildings using whole building pressurization (blower door) testing after construction is complete, but there is no affordable method for testing larger buildings while under construction or when construction is complete. While building energy codes are changing to set maximum limits of infiltration on new construction, the code changes will not require testing of new commercial construction because of the difficulty involved.
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