Blower Door Test in West Collingswood Heights, NJ

How Is A Blower Door Test Conducted?

In preparation for blower door test in West Collingswood Heights, NJ, all exterior entry points are sealed, and interior doors are left open to allow consistent air circulation. A single main exterior door is fitted with an adjustable aluminum frame and attached fabric panel to begin the setup. Next, a calibrated fan is mounted on the frame to reduce indoor pressure to 50 Pascals — similar to the force of a 20 mph wind on the building.

As the fan exhausts indoor air, outside air starts seeping into the home through small leaks and gaps. Using a sensitive instrument known as a nanometer, we measure the fan’s pressure against the home’s internal pressure. The gathered results are converted into air changes per hour (ACH) to determine how well-sealed and efficient the home is in the NJ climate.

What Is A Passing Blower Door Test Score?

Homes in West Collingswood Heights, NJ are typically required to follow the 2015 International Energy Conservation Code (IECC) or the most recent version adopted locally. Generally, a blower door test result of 3 air changes per hour or less is considered acceptable, ensuring proper energy performance. Meeting this requirement during your blower door test in West Collingswood Heights, NJ helps reduce energy costs while keeping your home compliant with local building codes.

Why Do I Need A Blower Door Test?

In accordance with the IECC, the State of NJ and various local authorities require blower door test for new or remodeled residential properties. We work closely with home builders, contractors, and homeowners who need blower door test in West Collingswood Heights, NJ to ensure compliance and successful project completion. A duct leakage test might be necessary if your home’s HVAC units or ducts are located outside its thermal envelope. Learn more about energy code compliance.

There are many benefits of blower door test in West Collingswood Heights, NJ for homeowners. When the fan lowers indoor pressure, leaks become visible, allowing for easy identification of inefficiencies and energy-saving opportunities. A blower door test requires minimal time but makes a long-lasting impact on home comfort and energy performance during NJ’ extreme temperatures.

How To Pass A Blower Door Test:

• Anticipate potential air leaks before testing begins.
• Use a trusted air barrier like Tyvek or Zip Sheathing, ensuring all joints and seams are properly taped and sealed.
• Apply the correct R-value insulation and verify that it’s properly fitted to seal the whole building envelope.
• Seal all penetrations in exterior walls using caulk or spray foam.
• Ensure doors and windows are properly installed, caulked, and weather-sealed.
• Make sure to seal all separations between conditioned and unconditioned areas, including crawl spaces, basements, and attics.
• Many building departments provide step-by-step compliance guides — you can find the Philadelphia example here.
• With the help of thermal imaging tools, caulk, and spray foam, Local Energy Audits efficiently detects and seals leaks on-site./li>
• Over 90% of the time, we achieve a passing score in under two hours and provide all required documentation to finalize the building permit.