Blower Door Test in Cherry Hill, NJ

Maintain compliance with energy codes and reduce energy loss using expert blower door test in Cherry Hill, NJ. Our certified team partners with homeowners, builders, and contractors to uncover air leaks, enhance comfort, and ensure NJ energy code adherence.

What Is A Blower Door Test?

A blower door test calculates the rate of air changes per hour in a property, verifying that proper ventilation keeps air fresh and clean. If air changes happen too often, it forces your system to reheat or recool the air repeatedly, wasting energy and lowering performance. Too much ventilation can create drafts, discomfort, and unwanted effects like condensation, moisture accumulation, and mold inside your home. A blower door test in Cherry Hill, NJ detects early-stage air leaks, enabling effective energy use and a more durable, comfortable living environment.

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How Is A Blower Door Test Conducted?

To complete blower door test in Cherry Hill, NJ, all exterior openings are sealed, and interior doors are kept open to ensure equal airflow throughout the property. A central exterior door is picked, where the technician fits an adjustable aluminum frame and fabric panel for airtight 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 pulls indoor air outward, fresh air from outside rushes in through leaks and weak spots. A sensitive device called a nanometer measures how the fan’s pressure relates to the home’s internal air pressure. 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 Cherry Hill, NJ, homes are designed to meet or exceed the 2015 International Energy Conservation Code (IECC) or the latest locally adopted standards. A result of 3 air changes per hour or less is generally required in most areas to confirm the home’s energy efficiency. Achieving this goal during your blower door test in Cherry Hill, NJ promotes energy savings and demonstrates adherence to local building rules.

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. We provide support to home builders, contractors, and homeowners needing blower door test in Cherry Hill, NJ for meeting energy efficiency standards and finalizing permits. You may also need a duct leakage test if your ductwork or HVAC equipment lies outside the home’s thermal envelope. Learn more about energy code compliance.

Homeowners can greatly benefit from blower door test in Cherry Hill, NJ. The depressurization process makes air leaks noticeable, helping pinpoint trouble areas and improve energy efficiency. A blower door test takes only a short time to complete but can have a lasting effect on your home’s comfort and energy efficiency through NJ’ hot and cool seasons.

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.
Ensure the insulation used meets the proper R-value and is well fitted throughout the structure’s 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 and seal every opening between heated or cooled spaces and unconditioned areas such as basements, attics, and crawl spaces.
Most building departments provide detailed compliance resources — view the Philadelphia checklist example here.
Local Energy Audits technicians carry thermal imaging devices, caulk, and spray foam to pinpoint and seal air leaks immediately./li>
Typically, over 90% of the time we record a passing score in two hours and handle all permit-related documentation.

Preparing for a Blower Door Test in Cherry Hill, NJ

Preparation for blower door test in Cherry Hill, NJ includes turning off the air conditioning, heating, and all exhaust fans to ensure accurate results. A brief walkthrough follows, during which we verify all exterior windows and doors — even those leading to unconditioned spaces — are closed tight to preserve the thermal envelope. With all openings sealed, we place the blower door frame and fan in a main exterior door and use it to depressurize the structure to 50 Pascals for precise testing results. When the house is depressurized, outside air begins entering faster, exposing hidden leaks more effectively. A thermal imager helps us identify air leakage points by revealing temperature shifts in walls, ceilings, and surfaces adjoining unconditioned areas. Using chalk, spray foam, and weatherstripping, we assist homeowners and contractors in addressing visible air leakage areas on-site. Once sealing work is done, we immediately retest to verify that the desired blower door score has been achieved for compliance with local standards in Cherry Hill, NJ.

Blower Door Test for Contractors in Cherry Hill, NJ

During blower door test in Cherry Hill, NJ, contractors will find that well-insulated homes can manage minor issues directly on-site. 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.

888 213-3975

Schedule Your blower door test in Cherry Hill, NJ

Count on our team for fast, professional, and certified blower door test in Cherry Hill, NJ with dependable results. Whether you’re a homeowner improving comfort or a contractor completing inspection requirements, our tests meet energy codes with careful attention to detail.

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