Blower Door Test in Plymouth Meeting, PA

Test your home’s air barriers and meet energy regulations through dependable blower door test in Plymouth Meeting, PA. Our professional technicians help homeowners, builders, and contractors identify air leaks, improve home comfort, and satisfy PA energy code regulations.

What Is A Blower Door Test?

A blower door test measures how many air changes per hour occur in your home, ensuring fresh air circulation and improved indoor air quality. Excess air exchange can harm efficiency because each replacement of indoor air requires extra energy to heat or cool it again. Excessive ventilation can lead to unwanted drafts, air leakage discomfort, and potential mold, condensation, or moisture problems indoors. A blower door test in Plymouth Meeting, PA identifies potential air leakage problems early so homeowners and builders can improve comfort, energy performance, and home durability.

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How Is A Blower Door Test Conducted?

To perform blower door test in Plymouth Meeting, PA, all exterior doors and windows are tightly sealed, while interior doors remain open to promote balanced airflow throughout the home. An adjustable aluminum frame and sturdy fabric panel are installed in one central exterior door to prepare for testing. After setup, a calibrated fan is attached to the frame to lower the air pressure inside the house to 50 Pascals, equivalent to a 20 mph wind.

When the fan pulls indoor air outward, fresh air from outside rushes in through leaks and weak spots. A sensitive nanometer helps us measure and compare the pressure created by the fan with the interior air pressure. The data is converted into air changes per hour (ACH), identifying how tightly sealed and energy-efficient the house is in PA.

What Is A Passing Blower Door Test Score?

In Plymouth Meeting, PA, compliance with the 2015 International Energy Conservation Code (IECC) or subsequent locally adopted versions is typically mandatory for residential properties. To meet efficiency standards in most areas, homes should record 3 air changes per hour or less on a blower door test. When your blower door test in Plymouth Meeting, PA meets this requirement, you ensure energy efficiency and maintain compliance with building codes.

Why Do I Need A Blower Door Test?

The State of PA and local municipalities have implemented the IECC code, which mandates blower door test on new and remodeled residential homes. Our team frequently assists home builders, contractors, and homeowners performing blower door test in Plymouth Meeting, PA to verify compliance and secure permit approval. A duct leakage test is often required whenever ducts or HVAC units are found outside the building’s thermal envelope. Learn more about energy code compliance.

By performing blower door test in Plymouth Meeting, PA, homeowners can identify where conditioned air escapes. Depressurization makes leaks visible, uncovering ways to enhance comfort and efficiency. It only takes a few hours to perform a blower door test, but the long-lasting impact on comfort and efficiency is felt through PA’ hot summers and cool winters.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Select a proper air barrier such as Tyvek or Zip Sheathing and ensure every seam is thoroughly taped for airtight sealing.
Use properly rated insulation with the right R-value and ensure consistent coverage 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 gaps and openings separating conditioned spaces from unconditioned areas, including crawl spaces, basements, and attics.
Local permitting offices often offer official compliance checklists — review the Philadelphia sample here for reference.
Local Energy Audits uses professional-grade thermal imaging, caulk, and spray foam to locate and close leaks during the visit./li>
We achieve a passing score within two hours in more than 90% of tests and issue the documents to close the building permit.

Preparing for a Blower Door Test in Plymouth Meeting, PA

Before starting blower door test in Plymouth Meeting, PA, we turn off all heating, air conditioning, and exhaust fans in bathrooms and kitchens. After that, we check the entire home to confirm all exterior doors and windows are tightly secured — even those leading to garages, unfinished basements, or other spaces outside the thermal envelope. With the home sealed, we select a main exterior door, install the blower door setup, and use the fan to depressurize to 50 Pascals, enabling accurate airflow measurement. Once pressure is lowered, outdoor air moves in with greater force, highlighting problem areas and leaks. A thermal imager allows us to pinpoint problem spots by highlighting temperature contrasts in walls, ceilings, and surfaces exposed to unconditioned spaces. We’re equipped with chalk, spray foam, and weatherstripping materials, so we can partner with homeowners or contractors to repair visible air leakage problems right on-site. Once sealing is complete, we perform an immediate retest to verify that the desired blower door score is achieved and that your home meets all energy efficiency requirements in Plymouth Meeting, PA.

Blower Door Test for Contractors in Plymouth Meeting, PA

Contractors arranging blower door test in Plymouth Meeting, PA will find that homes with professional insulation can typically resolve small issues right on-site during testing. By applying materials such as chalk and spray foam, small leaks or gaps are often sealed on the spot. In over 90% of cases, we manage to secure a passing blower door test score within just two hours and immediately provide all necessary paperwork to close out the permit process.

888 213-3975

Schedule Your blower door test in Plymouth Meeting, PA

Get reliable, timely, and certified blower door test in Plymouth Meeting, PA from our trained and experienced specialists. Whether you’re enhancing indoor comfort or finalizing a construction permit, we conduct every test with accuracy, care, and full compliance with energy standards.

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