Blower Door Test in Langhorne, PA

Enhance comfort and confirm compliance with detailed blower door test in Langhorne, PA. Our certified professionals work with homeowners, builders, and contractors to uncover hidden air leaks and guarantee compliance with PA energy codes.

What Is A Blower Door Test?

A blower door test evaluates air changes per hour, showing how often indoor air is replaced by fresh outdoor air — a process essential for healthy living spaces. Too frequent air exchanges lead to energy waste, as every replacement requires reheating or recooling, decreasing your system’s efficiency. When air changes occur too often, they can result in drafts, air leakage discomfort, and moisture-related problems such as condensation and mold. A blower door test in Langhorne, PA helps spot air leaks before they worsen, improving efficiency, comfort, and long-term structural quality.

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How Is A Blower Door Test Conducted?

While performing blower door test in Langhorne, PA, technicians make sure exterior doors and windows are shut tight and interior doors are open for uniform pressure. One main exterior door is identified, and an adjustable aluminum frame with a fabric panel is securely attached. A calibrated fan is used to depressurize the home through the frame to 50 Pascals, representing the same pressure as a 20 mph wind.

When the fan depressurizes the home, outdoor air seeps in through leaks, crevices, and other air pathways. A precise nanometer instrument allows us to compare the pressure generated by the fan to that within the house. The data collected is translated into air changes per hour (ACH), showing the home’s airtightness and overall energy efficiency in PA conditions.

What Is A Passing Blower Door Test Score?

Properties in Langhorne, PA must meet the efficiency guidelines of the 2015 International Energy Conservation Code (IECC) or the latest version adopted locally. In most locations, 3 air changes per hour or less is the standard blower door test result for efficient home performance. Meeting this benchmark in your blower door test in Langhorne, PA reduces ongoing energy costs while ensuring local regulatory compliance.

Why Do I Need A Blower Door Test?

PA, along with many city governments, enforces the IECC, which requires blower door test for residential projects after construction or renovation. We routinely help home builders, contractors, and homeowners requiring blower door test in Langhorne, PA for energy code compliance and permit closure. A duct leakage test can be required when ducts or HVAC components are installed outside the structure’s thermal envelope. Learn more about energy code compliance.

Through blower door test in Langhorne, PA, homeowners can easily find leaks. When the fan reduces internal pressure, air movement through problem areas becomes noticeable, offering chances to save energy. In only a few hours, a blower door test can deliver a long-lasting impact on energy efficiency, comfort, and indoor performance throughout PA’ changing seasons.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Employ an appropriate air barrier system such as Tyvek or Zip Sheathing and verify that each seam has been correctly taped.
Use insulation of the correct R-value and confirm that it’s tightly installed throughout every section of the building envelope.
Seal all penetrations in exterior walls using caulk or spray foam.
Ensure doors and windows are properly installed, caulked, and weather-sealed.
Seal off any access points or gaps between conditioned and unconditioned spaces like attics, crawl spaces, and basements.
Local code offices often issue compliance checklists — access the Philadelphia example here for reference.
Local Energy Audits provides on-site leak detection and sealing using advanced thermal imaging tools, caulk, and spray foam./li>
Over 90% of projects pass within two hours, and we immediately provide the required paperwork to close out the building permit.

Preparing for a Blower Door Test in Langhorne, PA

To get ready for blower door test in Langhorne, PA, our team turns off the HVAC system and shuts down kitchen and bathroom fans. We continue with a walkthrough inspection to confirm every exterior door and window is firmly closed — especially those to unconditioned spaces outside the thermal envelope. After ensuring the home is airtight, we install the blower door frame and fan in a central exterior door and depressurize the house to 50 Pascals to record airflow and leakage data accurately. After the home is depressurized, incoming outdoor air becomes more intense, making leak points easy to locate. By employing a thermal imager, we detect heat loss by identifying temperature variations in walls, ceilings, and other surfaces leading to unconditioned zones. We carry all necessary materials, including chalk, spray foam, and weatherstripping, to collaborate with homeowners or contractors on visible air leakage repairs during testing. Once sealing is finished, we conduct an instant retest to ensure the desired blower door score is reached, confirming compliance with Langhorne, PA building codes.

Blower Door Test for Contractors in Langhorne, PA

For contractors overseeing blower door test in Langhorne, PA, most properly insulated homes can manage small on-site repairs during testing. With tools such as chalk and spray foam, we can address small leaks or gaps without delay. In more than 90% of cases, we deliver a passing blower door test score within two hours and finalize all permit documentation immediately afterward.

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Schedule Your blower door test in Langhorne, PA

Get professional-grade, efficient, and certified blower door test in Langhorne, PA handled by our experienced staff. Whether you’re focused on comfort improvements or completing compliance checks, we ensure every test meets energy codes with precision and care.

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