Blower Door Test in Mullica township, NJ

How Is A Blower Door Test Conducted?

When conducting blower door test in Mullica township, NJ, technicians close all exterior doors and windows and keep interior doors open for consistent air movement. A single central exterior door is designated, where the blower door’s aluminum frame and fabric panel are set up. A calibrated fan is installed onto the frame, creating a pressure difference of 50 Pascals, comparable to a continuous 20 mph wind blowing on the home.

As the fan creates negative pressure, outside air infiltrates the home through gaps and small openings. Using a nanometer, we accurately compare the pressure difference between the fan output and the home’s interior. Measurements are expressed as air changes per hour (ACH), showing how effectively the home retains conditioned air in the NJ environment.

What Is A Passing Blower Door Test Score?

In Mullica township, NJ, energy efficiency standards for homes are based on the 2015 International Energy Conservation Code (IECC) or more recent updates approved by the jurisdiction. An efficient home in most regions will achieve 3 air changes per hour or less during a blower door test. Achieving this goal during your blower door test in Mullica township, NJ promotes energy savings and demonstrates adherence to local building rules.

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 Mullica township, NJ for energy code compliance and permit closure. A duct leakage test could be required when air ducts or HVAC units extend outside the structure’s thermal envelope. Learn more about energy code compliance.

Homeowners gain major advantages from blower door test in Mullica township, NJ. As the fan depressurizes the home, incoming air through leaks becomes easier to detect, revealing problem spots and potential energy-saving improvements. 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.
• Install insulation with the appropriate R-value and ensure it is correctly fitted across the entire 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 all openings between conditioned and unconditioned areas, including basements, attics, and crawl spaces.
• Local code offices often issue compliance checklists — access the Philadelphia example here for reference.
• 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.