Blower Door Test in Mount Laurel, NJ

Achieve peak energy efficiency and verify airtight construction with professional blower door test in Mount Laurel, NJ. Our certified specialists support homeowners, builders, and contractors by locating hidden air leaks, improving efficiency, and achieving NJ energy code compliance.

What Is A Blower Door Test?

A blower door test is designed to measure air changes per hour inside homes, promoting a balance between airtightness and necessary ventilation. When a home experiences excessive air changes, the HVAC system must reheat or recool more frequently, increasing energy use and reducing efficiency. Too much ventilation can create drafts, discomfort, and unwanted effects like condensation, moisture accumulation, and mold inside your home. A blower door test in Mount Laurel, NJ enables early identification of air leaks, helping improve comfort, durability, and energy savings.

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How Is A Blower Door Test Conducted?

To conduct blower door test in Mount Laurel, NJ, exterior doors and windows are closed properly, while interior doors remain open to help maintain even air movement. An adjustable aluminum frame and fabric panel are placed within a central exterior doorway to conduct the test. A calibrated fan is fitted into the frame and depressurizes the home to 50 Pascals, mimicking the pressure caused by a 20 mph wind.

As the fan creates negative pressure, outside air infiltrates the home through gaps and small openings. A precise tool called a nanometer is used to compare the pressure generated by the fan with that inside the home. From these readings, the number of air changes per hour (ACH) is determined, revealing the home’s airtightness and performance efficiency in NJ.

What Is A Passing Blower Door Test Score?

In Mount Laurel, NJ, homes are designed to meet or exceed the 2015 International Energy Conservation Code (IECC) or the latest locally adopted standards. In most locations, 3 air changes per hour or less is the standard blower door test result for efficient home performance. When your blower door test in Mount Laurel, NJ meets this requirement, you ensure energy efficiency and maintain compliance with building codes.

Why Do I Need A Blower Door Test?

The State of NJ and its local governments follow the IECC standards, which require blower door test on newly built or remodeled residential dwellings. We routinely help home builders, contractors, and homeowners requiring blower door test in Mount Laurel, NJ for energy code compliance and permit closure. You may be required to perform a duct leakage test if HVAC components are situated outside the home’s thermal envelope. Learn more about energy code compliance.

Homeowners see real value in blower door test in Mount Laurel, NJ. As the fan draws air out, leaks become clear, making it easy to target repairs and improve efficiency. Though a blower door test lasts just a few hours, it offers a long-lasting impact on your home’s comfort, durability, and performance year-round in NJ.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Choose an appropriate air barrier, like Tyvek or Zip Sheathing, and ensure all seams are accurately and securely taped.
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.
Close any gaps connecting conditioned and unconditioned spaces, such as those leading to basements, attics, or crawl spaces.
Most building departments provide detailed compliance resources — view the Philadelphia checklist example here.
Equipped with thermal imaging tools, caulk, and spray foam, Local Energy Audits can find and fix leaks directly at your property./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.

Preparing for a Blower Door Test in Mount Laurel, NJ

When preparing for blower door test in Mount Laurel, NJ, we first switch off the home’s heating, cooling, and exhaust systems. Next, we inspect each room to confirm all exterior doors and windows are properly closed — including any leading to garages, basements, or other spaces beyond the thermal envelope. With the home properly sealed, we mount the blower door frame and fan in a central exterior door, using it to depressurize to 50 Pascals for exact airflow readings. After depressurization, air infiltration from outdoors increases, allowing faster and more accurate leak detection. A thermal imager helps us identify air leakage points by revealing temperature shifts in walls, ceilings, and surfaces adjoining unconditioned areas. With chalk, spray foam, and weatherstripping materials on hand, we partner with homeowners and contractors to repair visible air leakage issues on the spot. After completing the sealing process, we can retest right away to check if the desired blower door score has been obtained, confirming compliance with Mount Laurel, NJ efficiency standards.

Blower Door Test for Contractors in Mount Laurel, NJ

When contractors perform blower door test in Mount Laurel, NJ, minor issues in professionally insulated homes can usually be resolved during the inspection. With readily available sealing materials like chalk and spray foam, we can repair minor leaks or gaps on the spot. In more than 90% of cases, our team secures a passing blower door test score within two hours and provides full documentation to complete the permit without any delay.

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Schedule Your blower door test in Mount Laurel, NJ

Receive professional, accurate, and certified blower door test in Mount Laurel, NJ from our highly skilled technicians. Whether you’re a homeowner improving energy performance or a contractor completing certification, we make sure each test fulfills all energy code requirements.

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