Blower Door Test in East Greenville, PA

How Is A Blower Door Test Conducted?

While performing blower door test in East Greenville, PA, technicians make sure exterior doors and windows are shut tight and interior doors are open for uniform pressure. One chosen exterior door is equipped with an adjustable aluminum frame and fabric panel for test installation. 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.

As the fan operates, it forces outside air to penetrate the home through gaps, leaks, and openings. A sensitive device called a nanometer measures how the fan’s pressure relates to the home’s internal air pressure. 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 PA climate.

What Is A Passing Blower Door Test Score?

In East Greenville, PA, energy efficiency standards for homes are based on the 2015 International Energy Conservation Code (IECC) or more recent updates approved by the jurisdiction. A result of 3 air changes per hour or less is generally required in most areas to confirm the home’s energy efficiency. Reaching the target during your blower door test in East Greenville, PA guarantees lower energy consumption and full code compliance.

Why Do I Need A Blower Door Test?

Following the IECC guidelines, PA and many local jurisdictions require blower door test on newly built or renovated residential dwellings. Our company assists home builders, contractors, and homeowners who rely on blower door test in East Greenville, PA to fulfill energy code compliance and finalize construction 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.

A blower door test in East Greenville, PA helps homeowners discover inefficiencies. Depressurizing the home makes leaks more noticeable and highlights where energy can be conserved. Typically completed within a few hours, a blower door test provides a long-lasting impact on comfort, energy efficiency, and overall home performance in PA’ varied climate.

How To Pass A Blower Door Test:

• Anticipate potential air leaks before testing begins.
• Use a reliable air barrier like Tyvek or Zip Sheathing and make sure all seams are securely taped.
• Install insulation that meets the required R-value and check that it’s evenly and securely placed throughout 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.
• Make sure to seal all separations between conditioned and unconditioned areas, including crawl spaces, basements, and attics.
• Local authorities often publish checklists to confirm compliance — get the Philadelphia example here.
• Local Energy Audits uses thermal imaging tools, caulk, and spray foam to detect and seal leaks directly on-site./li>
• In most situations—over 90% of the time—we get a passing score within two hours and finalize all required paperwork.