Blower Door Test in Edgemoor, DE

Find and fix air leaks while improving performance through reliable blower door test in Edgemoor, DE. Our certified technicians provide homeowners, builders, and contractors with expert air leak detection, better comfort, and complete DE energy code compliance.

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 air movement from leaks can cause uncomfortable drafts, moisture accumulation, and mold or condensation issues indoors. A blower door test in Edgemoor, DE helps pinpoint problem areas early, improving insulation performance, comfort, and home lifespan.

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How Is A Blower Door Test Conducted?

For accurate blower door test in Edgemoor, DE, technicians close all exterior openings and keep interior doors open to balance airflow throughout the house. A single central exterior door is designated, where the blower door’s aluminum frame and fabric panel are set up. A calibrated fan mounted on the frame reduces the home’s pressure to 50 Pascals, simulating the force of a continuous 20 mph wind.

As the fan creates negative pressure, outside air infiltrates the home through gaps and small openings. Using a highly accurate nanometer, we compare the fan-induced pressure to the natural air pressure inside the home. These measurements are used to calculate air changes per hour (ACH), which reflects the home’s airtightness and performance under DE weather.

What Is A Passing Blower Door Test Score?

Residential buildings in Edgemoor, DE must adhere to the 2015 International Energy Conservation Code (IECC) or newer versions adopted by city or county regulations. 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 Edgemoor, DE helps reduce energy costs while keeping your home compliant with local building codes.

Why Do I Need A Blower Door Test?

Throughout DE, the IECC (International Energy Conservation Code) is followed, making blower door test compulsory for new and renovated homes. Our company assists home builders, contractors, and homeowners who rely on blower door test in Edgemoor, DE to fulfill energy code compliance and finalize construction permits. If any part of the HVAC system or ductwork sits beyond the building’s thermal envelope, a duct leakage test may be required. Learn more about energy code compliance.

With blower door test in Edgemoor, DE, homeowners can pinpoint hidden air leaks. The depressurization process makes them obvious, enabling better sealing and lower energy costs. It only takes a few hours to perform a blower door test, but the long-lasting impact on comfort and efficiency is felt through DE’ hot summers and cool winters.

How To Pass A Blower Door Test:

Anticipate potential air leaks before testing begins.
Install a quality air barrier like Tyvek or Zip Sheathing and confirm that all joints and seams are completely taped.
Use insulation of the correct R-value and confirm that it’s tightly installed throughout every section 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.
Close any gaps connecting conditioned and unconditioned spaces, such as those leading to basements, attics, or crawl spaces.
Many building departments provide step-by-step compliance guides — you can find the Philadelphia example here.
Local Energy Audits arrives fully equipped with thermal imaging, caulk, and spray foam to detect and seal leaks in one visit./li>
In over 90% of tests, we obtain a passing score within two hours and issue all paperwork required for permit closure.

Preparing for a Blower Door Test in Edgemoor, DE

To prepare a home for blower door test in Edgemoor, DE, we shut off the HVAC system and disable all exhaust fans. We follow with a quick walkthrough to ensure all exterior doors and windows are fully closed — including those that connect to garages, basements, or any part outside 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. Once the structure is depressurized, outside air penetrates more actively, exposing any leaks and weak points. A thermal imager allows us to pinpoint problem spots by highlighting temperature contrasts in walls, ceilings, and surfaces exposed to unconditioned spaces. Our technicians bring chalk, spray foam, and weatherstripping supplies to handle visible air leakage issues directly with homeowners or contractors on-site. We conduct a quick retest after sealing to verify that the desired blower door score has been achieved and that your home adheres to Edgemoor, DE energy efficiency codes.

Blower Door Test for Contractors in Edgemoor, DE

Contractors planning blower door test in Edgemoor, DE can expect most professionally insulated homes to address small issues easily during the testing phase. With materials such as chalk and spray foam on hand, minor leaks or gaps can usually be sealed immediately. In over 90% of cases, we are able to reach a passing blower door test score in under two hours and supply all necessary paperwork to finalize the building permit right away.

888 213-3975

Schedule Your blower door test in Edgemoor, DE

Get reliable, timely, and certified blower door test in Edgemoor, DE from our trained and experienced specialists. 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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