Blower Door Test in Englewood, NJ

How Is A Blower Door Test Conducted?

In blower door test in Englewood, NJ, every exterior door and window is shut, while interior doors stay open to allow uniform airflow inside the building. One central exterior door is chosen, where an adjustable aluminum frame and durable fabric panel are securely installed. Technicians use a calibrated fan mounted on the frame to bring the home’s interior to 50 Pascals, approximating a 20 mph wind on the walls.

When air is pulled from the home, outside air finds its way in through cracks and unsealed openings. Using a highly accurate nanometer, we compare the fan-induced pressure to the natural air pressure inside the home. These readings are then converted into the total number of air changes per hour (ACH), revealing how airtight the home is and how well it performs in the NJ climate.

What Is A Passing Blower Door Test Score?

Residential buildings in Englewood, NJ must adhere to the 2015 International Energy Conservation Code (IECC) or newer versions adopted by city or county regulations. In most locations, 3 air changes per hour or less is the standard blower door test result for efficient home performance. Complying with this benchmark during a blower door test in Englewood, NJ helps cut energy expenses and meet local building regulations.

Why Do I Need A Blower Door Test?

Both NJ and local jurisdictions adopt the IECC energy code, making blower door test mandatory for new and renovated residential structures. We routinely help home builders, contractors, and homeowners requiring blower door test in Englewood, NJ for energy code compliance and permit closure. 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.

Homeowners see real value in blower door test in Englewood, NJ. As the fan draws air out, leaks become clear, making it easy to target repairs and improve efficiency. Taking only a few hours, a blower door test creates a long-lasting impact by improving comfort, performance, and efficiency in NJhomes.

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.
• 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.
• Ensure all penetrations between conditioned and unconditioned areas—like attics, basements, and crawl spaces—are tightly sealed.
• Local building authorities commonly offer checklists to verify code compliance — review the Philadelphia example here.
• Local Energy Audits is equipped with thermal imaging tools, caulk, and spray foam to find and seal air leaks immediately on-site./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.