Blower Door Test in Boyertown, PA

Assess your home’s air sealing and energy standards with trusted blower door test in Boyertown, PA. Our qualified specialists help homeowners, builders, and contractors locate hidden leaks, improve comfort, and fulfill PA energy code standards.

What Is A Blower Door Test?

A blower door test quantifies how often indoor air is renewed through air changes per hour, helping maintain optimal ventilation. Too many air exchanges make heating and cooling systems work harder, increasing energy consumption and lowering efficiency. Frequent air changes can cause drafts and discomfort from leaks, increasing the risk of indoor mold and condensation. A blower door test in Boyertown, PA helps homeowners and builders find and fix leaks promptly, boosting energy efficiency and indoor comfort for years to come.

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How Is A Blower Door Test Conducted?

To execute blower door test in Boyertown, PA, exterior windows and doors are secured shut, while interior doors are left open to distribute air evenly. One primary exterior doorway is used, where a flexible aluminum frame and fabric panel are mounted tightly. A precisely calibrated fan is installed on the frame to reduce the air pressure inside to 50 Pascals, equal to a steady 20 mph wind outdoors.

When the fan pulls air out, outdoor air enters the house through cracks, openings, and unsealed areas. Using a highly accurate nanometer, we compare the fan-induced pressure to the natural air pressure inside the home. These measurements are used to calculate air changes per hour (ACH), which reflects the home’s airtightness and performance under PA weather.

What Is A Passing Blower Door Test Score?

In Boyertown, PA, compliance with the 2015 International Energy Conservation Code (IECC) or subsequent locally adopted versions is typically mandatory for residential properties. Generally, a blower door test result of 3 air changes per hour or less is considered acceptable, ensuring proper energy performance. Meeting this requirement during your blower door test in Boyertown, PA helps reduce energy costs while keeping your home compliant with local building codes.

Why Do I Need A Blower Door Test?

Across PA, the IECC (International Energy Conservation Code) is adopted by the state and local jurisdictions, requiring blower door test on residential constructions and renovations. We regularly provide blower door test in Boyertown, PA for home builders, contractors, and homeowners working to meet local code requirements and close permits. A duct leakage test might be required when HVAC units or ductwork are installed beyond the home’s thermal envelope. Learn more about energy code compliance.

Through blower door test in Boyertown, PA, homeowners can easily find leaks. When the fan reduces internal pressure, air movement through problem areas becomes noticeable, offering chances to save energy. Though a blower door test lasts just a few hours, it offers a long-lasting impact on your home’s comfort, durability, and performance year-round in PA.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Choose Tyvek or Zip Sheathing as your air barrier and check that all seams are securely taped to maintain airtightness.
Install insulation that meets the required R-value and check that it’s evenly and securely placed throughout 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 cracks and openings between conditioned interiors and unconditioned areas such as crawl spaces, attics, and basements.
Local code offices often issue compliance checklists — access the Philadelphia example here for reference.
With caulk, spray foam, and advanced thermal imaging, Local Energy Audits locates and seals leaks efficiently on-site./li>
Over 90% of cases result in a passing score within two hours, along with complete permit documentation.

Preparing for a Blower Door Test in Boyertown, PA

Getting ready for blower door test in Boyertown, PA involves turning off all heating, cooling, and exhaust ventilation systems. We then perform a brief inspection throughout the home to make sure all exterior doors and windows are tightly shut — even those opening to garages, basements, or spaces outside the thermal envelope. With the home properly sealed, we mount the blower door frame and fan in a central exterior door, using it to depressurize to 50 Pascals for exact airflow readings. When depressurization is complete, outside air flows in swiftly, allowing easy detection of leakage spots. Using a thermal imager, we locate inefficiencies by observing temperature differences in walls, ceilings, and surfaces separating conditioned and unconditioned areas. Carrying chalk, spray foam, and weatherstripping materials, we work directly with homeowners or contractors to resolve visible air leakage issues during the visit. After sealing, we can immediately retest to confirm whether the desired blower door score has been reached, ensuring your home complies with local energy efficiency standards in Boyertown, PA.

Blower Door Test for Contractors in Boyertown, PA

When contractors perform blower door test in Boyertown, PA, minor issues in professionally insulated homes can usually be resolved during the inspection. 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 Boyertown, PA

Rely on our expert team for accurate, efficient, and certified blower door test in Boyertown, PA. Whether you’re a homeowner aiming to enhance comfort or a contractor needing to close out a permit, we make sure each test complies with energy codes accurately and efficiently.

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