Texas, USA
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SUMMARY
Air infiltration testing measures the amount of outside air that leaks into a building. This testing verifies compliance with the IECC, reduces the number of failed inspections, and helps teams identify envelope issues before closeout.
Most projects require testing per dwelling unit or sleeping unit. Blink Energy also performs whole-building blower door testing for commercial and large multifamily buildings throughout Texas.
WHAT IS AIR INFILTRATION TESTING?
Air infiltration testing utilizes a temporary blower door system to assess a building's air leakage. During the test, a calibrated fan pulls air out of the space and measures how much outside air enters through unintended openings in the building envelope.
In simple terms, the test measures how tightly a building is sealed, or how much outside air is able to enter.
The results provide clear, repeatable data that is recognized by cities, inspectors, and design teams and accepted for permitting and inspections.
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WHEN AIR INFILTRATION TESTING IS REQUIRED
Air infiltration testing is commonly required in the following situations:
Energy Code Requirements
Many commercial, multifamily, and hospitality projects must demonstrate acceptable envelope leakage before receiving a Certificate of Occupancy.
Multifamily Compartmentalization
Individual dwelling units or sleeping rooms often require separate testing to verify compartmentalization.
Field Changes or Envelope Concerns
When construction changes introduce new penetrations or wall modifications, testing confirms whether sealing work meets code requirements.
Comfort, Humidity, or HVAC Issues
Excessive leakage can cause drafts, temperature swings, humidity problems, and HVAC imbalance. Testing helps determine whether envelope leakage is contributing to the issue.
Sustainability Program Requirements
Blower door testing is required for many sustainability and green building programs, including AEGB, LEED, NGBS, and similar certifications.
HOW THE TEST WORKS
These include:
The test results in a clear outcome: Pass or Does Not Meet the Requirement, with measured leakage values documented.
WHAT WE MEASURE
During testing, Blink Energy measures and documents:
Total building or unit air leakage
Airflow rate during depressurization
Compliance with IECC thresholds
Noted leakage patterns or concerns
Optional diagnostic walk-throughs to identify major leakage locations
Common for multifamily, senior living, assisted living, hospitality, and student housing projects. Each dwelling unit or sleeping room is tested individually.
Used for tenant spaces or conditioned zones within larger buildings.
Appropriate for commercial buildings, schools, and large multifamily properties. Whole-building testing requires additional coordination to control access, manage building systems, and maintain envelope conditions during the testing process.
WHY AIR INFILTRATION MATTERS
Blower door testing provides objective data to evaluate envelope performance before small issues become costly problems.
Excessive envelope leakage affects:
Energy use and utility costs
HVAC system sizing and reliability
Occupant comfort and draft control
Humidity and moisture management
Indoor air quality
Inspection outcomes and code compliance
WHAT YOU RECEIVE
Reports are formatted for permitting, inspections, and project closeout,
and support your broader energy compliance consulting service needs.
Your air infiltration testing report includes:
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Measured leakage rate
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Pass/fail determination
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Observations on envelope conditions
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Photos when helpful for documentation
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Recommendations if requirements are not met
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WHAT WE NEED BEFORE TESTING
If the building is not ready, Blink Energy can perform pre-test evaluations to identify sealing priorities and reduce the risk of failed testing.
To perform testing, we typically need:
Access to the building or unit
Final or near-final envelope conditions
Ability to shut down HVAC systems
Coordination with other trades
Penetrations sealed to their intended final configuration
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WHERE WE WORK
Blink Energy provides blower door and air infiltration testing throughout:
Dallas–Fort Worth
Austin
San Antonio
Houston
Surrounding Texas markets
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