Blower Door Test in Audubon, NJ

How Is A Blower Door Test Conducted?

When blower door test in Audubon, NJ is conducted, every exterior door and window is closed, and interior doors are left open to achieve uniform air movement inside. One primary exterior doorway is used, where a flexible aluminum frame and fabric panel are mounted tightly. 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 air is pulled from the home, outside air finds its way in through cracks and unsealed openings. Using a nanometer device, we assess how the pressure from the fan differs from the home’s natural air pressure. From these readings, the number of air changes per hour (ACH) is determined, revealing the home’s airtightness and performance efficiency in NJ.

What Is A Passing Blower Door Test Score?

In Audubon, NJ, all new homes must comply with the 2015 International Energy Conservation Code (IECC) or more current codes enforced by local jurisdictions. In many locations, a result of 3 air changes per hour or less is required to verify the home’s energy efficiency level. Meeting this requirement during your blower door test in Audubon, NJ helps reduce energy costs while keeping your home compliant with local building codes.

Why Do I Need A Blower Door Test?

Following the IECC guidelines, NJ and many local jurisdictions require blower door test on newly built or renovated residential dwellings. We often collaborate with home builders, contractors, and homeowners who require blower door test in Audubon, NJ to meet energy efficiency standards and close permits. A duct leakage test requirement applies if ducts or HVAC units are positioned outside the structure’s thermal envelope. Learn more about energy code compliance.

By performing blower door test in Audubon, NJ, homeowners can identify where conditioned air escapes. Depressurization makes leaks visible, uncovering ways to enhance comfort and 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.
• Choose an appropriate air barrier, like Tyvek or Zip Sheathing, and ensure all seams are accurately and securely taped.
• Install insulation of the appropriate R-value and inspect to confirm it’s correctly fitted in all envelope areas.
• Seal all penetrations in exterior walls using caulk or spray foam.
• Ensure doors and windows are properly installed, caulked, and weather-sealed.
• Close any gaps connecting conditioned and unconditioned spaces, such as those leading to basements, attics, or crawl spaces.
• Many local municipalities issue code compliance checklists — the Philadelphia example is available here.
• Local Energy Audits uses professional-grade thermal imaging, caulk, and spray foam to locate and close leaks during the visit./li>
• Over 90% of the time, we complete testing with a passing score in two hours or less and handle all permit paperwork on-site.