Blower Door Test in Pottstown, PA

Ensure your property meets energy codes and maintains efficiency through expert blower door test in Pottstown, PA. Our certified technicians assist homeowners, builders, and contractors in detecting hidden air leaks, boosting comfort, and ensuring full compliance with PA energy codes.

What Is A Blower Door Test?

A blower door test determines the air changes per hour of a house or building, ensuring proper ventilation as old air cycles out and fresh air flows in. When the air changes too often, energy efficiency drops since the system must continuously reheat or recool the air inside. Excessive air changes can also lead to drafts and discomfort caused by air leaks, along with moisture, condensation, and mold problems inside the home. A blower door test in Pottstown, PA helps homeowners and builders find and fix leaks promptly, boosting energy efficiency and indoor comfort for years to come.

888 213-3975

What Our Clients Say

How Is A Blower Door Test Conducted?

To complete blower door test in Pottstown, PA, all exterior openings are sealed, and interior doors are kept open to ensure equal airflow throughout the property. A single central exterior door is designated, where the blower door’s aluminum frame and fabric panel are set up. After setup, a calibrated fan is attached to the frame to lower the air pressure inside the house to 50 Pascals, equivalent to a 20 mph wind.

As air is drawn out by the fan, it causes outdoor air to infiltrate through existing leaks and gaps in the structure. Using a sensitive instrument known as a nanometer, we measure the fan’s pressure against the home’s internal pressure. The collected data converts to air changes per hour (ACH), demonstrating how tightly sealed and efficient the home remains in PA climates.

What Is A Passing Blower Door Test Score?

Homes throughout Pottstown, PA are required to satisfy the 2015 International Energy Conservation Code (IECC) or the most current version enforced by local regulators. In most areas, an acceptable blower door test result is 3 air changes per hour or less, confirming that the home achieves optimal energy efficiency. Achieving this standard in your blower door test in Pottstown, PA lowers utility bills and guarantees adherence to local code requirements.

Why Do I Need A Blower Door Test?

The State of PA, along with its municipalities, observes the IECC requirements, mandating blower door test for newly constructed or updated homes. Our company assists home builders, contractors, and homeowners who rely on blower door test in Pottstown, PA to fulfill energy code compliance and finalize construction permits. 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 can greatly benefit from blower door test in Pottstown, PA. The depressurization process makes air leaks noticeable, helping pinpoint trouble areas and improve energy efficiency. Although it’s a short process, a blower door test produces a long-lasting impact by improving comfort and lowering energy costs throughout PA’ climate extremes.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Use materials like Tyvek or Zip Sheathing as your air barrier and ensure every seam is well taped for best results.
Apply insulation of the correct R-value and make sure it fits snugly in all areas 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.
Seal all openings between conditioned and unconditioned areas, including basements, attics, and crawl spaces.
Local authorities often publish checklists to confirm compliance — get the Philadelphia example here.
At Local Energy Audits, we utilize thermal imaging equipment, caulk, and spray foam to identify and fix air leaks during testing./li>
We achieve a passing score within two hours in more than 90% of tests and issue the documents to close the building permit.

Preparing for a Blower Door Test in Pottstown, PA

As part of preparing for blower door test in Pottstown, PA, we power down the HVAC system along with kitchen and bathroom exhaust fans. After that, we check the entire home to confirm all exterior doors and windows are tightly secured — even those leading to garages, unfinished basements, or other spaces outside the thermal envelope. After all openings are closed, we choose a central exterior door, install the blower door frame and fan, and depressurize the house to 50 Pascals to gauge airflow. After the home is depressurized, outdoor air pushes in more strongly, allowing leaks to become more noticeable. With a thermal imager, we identify cold or warm spots in walls, ceilings, and other surfaces that reveal air leakage into unconditioned spaces. We’re equipped with chalk, spray foam, and weatherstripping materials, so we can partner with homeowners or contractors to repair visible air leakage problems right on-site. We can retest right after sealing to check whether the desired blower door score has been met, ensuring full compliance with Pottstown, PA energy standards.

Blower Door Test for Contractors in Pottstown, PA

During blower door test in Pottstown, PA, contractors will find that well-insulated homes can manage minor issues directly on-site. By using materials such as chalk and spray foam, our team can fix small air leaks immediately on-site. In over 90% of cases, we reach a passing blower door test score in less than two hours and hand over the documents needed to close the building permit right away.

888 213-3975

Schedule Your blower door test in Pottstown, PA

Receive professional, accurate, and certified blower door test in Pottstown, PA from our highly skilled technicians. Whether you’re focused on comfort improvements or completing compliance checks, we ensure every test meets energy codes with precision and care.

📞 Call 888-213-3975 ✉️ Contact Us