Blower Door Test in Evesham, NJ

Verify your home’s airtightness and meet energy-efficiency standards with a professional blower door test in Evesham, NJ. Our certified technicians provide homeowners, builders, and contractors with expert air leak detection, better comfort, and complete NJ energy code compliance.

What Is A Blower Door Test?

A blower door test is performed to record air changes per hour in buildings, confirming that fresh air regularly replaces stale indoor air. Too many air changes can negatively impact efficiency, as every replacement of indoor air demands additional heating or cooling energy. Excessive air leakage can cause drafts, reduce comfort, and contribute to issues like condensation, moisture, and mold inside the home. A blower door test in Evesham, NJ finds air leakage problems early, allowing better energy efficiency and enhanced indoor comfort for homeowners.

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How Is A Blower Door Test Conducted?

During blower door test in Evesham, NJ, exterior openings are closed securely, and interior doors are left open to maintain even air circulation across the house. A central exterior door is used as the setup point, where an adjustable aluminum frame and fabric panel are positioned. Technicians mount a calibrated fan onto the frame to achieve 50 Pascals of depressurization — similar to a constant 20 mph wind acting on the home.

As the fan exhausts indoor air, outside air starts seeping into the home through small leaks and gaps. With a nanometer, we record and compare the pressure produced by the fan to the pressure inside the house. The data is converted into air changes per hour (ACH), identifying how tightly sealed and energy-efficient the house is in NJ.

What Is A Passing Blower Door Test Score?

In Evesham, NJ, all new homes must comply with the 2015 International Energy Conservation Code (IECC) or more current codes enforced by local jurisdictions. In most areas, an acceptable blower door test result is 3 air changes per hour or less, confirming that the home achieves optimal energy efficiency. Complying with this benchmark during a blower door test in Evesham, NJ helps cut energy expenses and meet local building regulations.

Why Do I Need A Blower Door Test?

The State of NJ and local municipalities have implemented the IECC code, which mandates blower door test on new and remodeled residential homes. We provide support to home builders, contractors, and homeowners needing blower door test in Evesham, NJ for meeting energy efficiency standards and finalizing permits. You may also need a duct leakage test if your ductwork or HVAC equipment lies outside the home’s thermal envelope. Learn more about energy code compliance.

Homeowners see real value in blower door test in Evesham, NJ. As the fan draws air out, leaks become clear, making it easy to target repairs and improve efficiency. 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 NJ.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Use an air barrier system such as Tyvek or Zip Sheathing and verify that each seam is properly sealed with tape.
Use insulation featuring the proper R-value and verify complete, gap-free coverage across 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.
Ensure complete sealing of all openings between conditioned rooms and unconditioned areas like basements, attics, and crawl spaces.
Local construction departments often include compliance guides — you can download the Philadelphia checklist here.
Local Energy Audits uses professional-grade thermal imaging, caulk, and spray foam to locate and close leaks during the visit./li>
More than 90% of our tests result in a passing score within two hours, along with immediate permit documentation.

Preparing for a Blower Door Test in Evesham, NJ

To get ready for blower door test in Evesham, NJ, our team turns off the HVAC system and shuts down kitchen and bathroom fans. Next, we conduct a quick walkthrough of the home, confirming that all exterior doors and windows are securely closed — including those to unfinished basements, garages, or any area outside the thermal envelope. Once preparation is complete, the blower door fan and frame are installed in a centrally located exterior door. The fan then reduces pressure to 50 Pascals, allowing accurate leakage assessment. After depressurization, air infiltration from outdoors increases, allowing faster and more accurate leak detection. A thermal imager allows us to pinpoint problem spots by highlighting temperature contrasts in walls, ceilings, and surfaces exposed to unconditioned spaces. We’re fully equipped with chalk, spray foam, and weatherstripping to collaborate with homeowners or contractors in correcting visible air leakage issues immediately. After sealing the leaks, we can immediately run another test to verify that the desired blower door score meets the local efficiency standards for homes in Evesham, NJ.

Blower Door Test for Contractors in Evesham, NJ

Contractors scheduling blower door test in Evesham, NJ often see that homes with proper insulation can correct minor air leaks while testing is underway. With materials such as chalk and spray foam on hand, minor leaks or gaps can usually be sealed immediately. In over 90% of cases, we are able to reach a passing blower door test score in under two hours and supply all necessary paperwork to finalize the building permit right away.

888 213-3975

Schedule Your blower door test in Evesham, NJ

Trust our experienced team for quick, accurate, and certified blower door test in Evesham, NJ. Whether you’re improving a home’s efficiency or ensuring code compliance for a project, we perform every test with professionalism and attention to detail.

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