Blower Door Test in Haddonfield borough, NJ

How Is A Blower Door Test Conducted?

During blower door test in Haddonfield borough, NJ, exterior openings are closed securely, and interior doors are left open to maintain even air circulation across the house. An adjustable aluminum frame and sturdy fabric panel are installed in one central exterior door to prepare for testing. A calibrated fan is used to depressurize the home through the frame to 50 Pascals, representing the same pressure as a 20 mph wind.

When the fan depressurizes the home, outdoor air seeps in through leaks, crevices, and other air pathways. A sensitive device called a nanometer measures how the fan’s pressure relates to the home’s internal air pressure. These measurements are used to calculate air changes per hour (ACH), which reflects the home’s airtightness and performance under NJ weather.

What Is A Passing Blower Door Test Score?

Homes in Haddonfield borough, NJ are typically required to follow the 2015 International Energy Conservation Code (IECC) or the most recent version adopted locally. An efficient home in most regions will achieve 3 air changes per hour or less during a blower door test. Meeting this benchmark in your blower door test in Haddonfield borough, NJ reduces ongoing energy costs while ensuring local regulatory compliance.

Why Do I Need A Blower Door Test?

NJ, along with many city governments, enforces the IECC, which requires blower door test for residential projects after construction or renovation. Our company assists home builders, contractors, and homeowners who rely on blower door test in Haddonfield borough, NJ to fulfill energy code compliance and finalize construction permits. A duct leakage test may also be necessary if any ducts or HVAC systems are positioned outside the building’s thermal envelope. Learn more about energy code compliance.

With blower door test in Haddonfield borough, NJ, homeowners can detect where energy is being wasted. As the fan depressurizes the house, leaks are revealed, highlighting areas for sealing and savings. blower door test in Haddonfield borough, NJ provides homeowners with clear insights into energy loss. When the fan creates pressure differences, leaks are exposed, allowing for easy detection and repair. Completing a blower door test takes just a few hours, yet its long-lasting impact enhances comfort and performance in every NJseason.

How To Pass A Blower Door Test:

• Anticipate potential air leaks before testing begins.
• Use high-quality air barrier materials like Tyvek or Zip Sheathing and confirm all seams are perfectly taped.
• Place insulation with the accurate R-value and check for proper installation and full coverage in 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 every transition point between conditioned and unconditioned environments, including attics, crawl spaces, and basements.
• Local code departments usually provide a checklist to assist with compliance — see the Philadelphia example here.
• Local Energy Audits provides on-site leak detection and sealing using advanced thermal imaging tools, caulk, and spray foam./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.