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Need a blower door test to complete a residential construction project, satisfy building-code requirements or move closer to receiving a Certificate of Occupancy?
Blower Door Test
A blower door test measures air leakage through the home’s building envelope, while a duct leakage test measures air escaping from the HVAC duct system. Depending on the project, the required testing may include both a blower door test and a duct leakage test. The approved energy calculations, permit documents and building-department requirements will determine whether a duct leakage test is required.
Here's What
You Should Know
Approved Certified 3rd Party
We are an Approved and Nationally Certified Contractor by BPI Building Performance Institute to provide Blower Door Testing. Blower Door Testing Fort Lauderdale and Blower Door Testing Miami, and many other areas in Southeast Florida.
- Certified Infiltration & Duct Leakage
- BPI Certified Tech #5060992
- Blower Door Pro
Blower Door Testing for Energy Code Compliance
Post-construction blower door testing may be required to document compliance with the applicable Florida Building Code and approved residential energy calculations.
We provide signed envelope leakage test reports for submission to the appropriate building department. Because individual projects and jurisdictions may have different requirements, the approved energy calculations and permit documents should be reviewed before testing.
Blower Door Testing Pro
Blower Door Testing Pro has over 30 years of experience providing all types of inspection services and now includes Blower Door Testing in Fort Lauderdale with the most innovative and advanced technology in the Miami-Fort Lauderdale Community. We are the only company in South Florida that Can Do any size Project.
Blower Door Testing Pro uses RetroTec's Technology to provide the very best equipment available for accurate readings.
Ask about our multiple housing project pricing!
Blower Door Advanced Technology for Accurate Results
At Blower Door Testing Pro, we pride ourselves on utilizing RetroTec's advanced technology to deliver the most accurate blower door readings in the entire Miami-Fort Lauderdale community. This cutting-edge equipment ensures precise results, forming the foundation of our reliable inspection services.
Reasons for Blower Door Pro
There are some reasons for establishing the proper building tightness:
Requirement for CO on every New House Built in Florida
Requirement on renovated homes when more than 25% of the value is in Florida
Reducing energy consumption due to air leakage
Avoiding moisture condensation problems
Avoiding uncomfortable drafts caused by cold air leaking in from the outdoors
Determining how much mechanical ventilation might be needed to provide acceptable indoor air quality
FAQs—Frequently Asked Questions
FAQs
What is a blower door test?
A blower door is a device used to measure the exact airtightness of a home. In the 2015 and 2012-IECC, a maximum air leakage rate is defined, and each home must meet this tightness level, verified with a blower door test.
How does it work?
A blower door is a powerful fan that mounts into the frame of an exterior door. The fan pulls air out of the house, lowering the air pressure inside. The higher outside air pressure then flows in through all unsealed cracks and openings. These tests determine the air infiltration rate of a building. Blower doors consist of a frame and flexible or hard panels that fit in a doorway, a variable-speed fan, a pressure gauge to measure the pressure differences inside and outside the home, and an airflow manometer and hoses for measuring airflow.
When do you perform a blower door test?
Blower door testing is typically performed at the end of construction, once the house is completely dried in, all penetrations sealed, and lighting trim kits installed—basically anything that would be an unwanted leak needs to be sealed. When we do blower door testing, we won't just pass or fail a home—if the home doesn't meet the air leakage requirements, we will help to determine where the key leakage areas are using infrared (IR) camera technology and/or theatrical smoke.
Preparing for a Blower Door Test (Homeowners)
Take the following steps to prepare your home for a blower door test:
- If you heat with wood, be sure all fires are completely out—not even coals—before the auditor arrives. Remove any ashes from open fireplaces.Â
- Plan to do a walk-through of your home with the auditor. Be prepared to point out areas that you know are drafty or difficult to condition comfortably.
- Expect the auditor to request access to all areas of your home, including closets, built-in cabinets, attics, crawl spaces, and any unused rooms.
- The auditor will need to close all exterior doors and windows, open all interior doors, and close any fireplace dampers, doors, and wood stove air inlets.
- Expect the auditor to set controls on all atmospheric fossil fuel appliances to ensure that they do not fire during the test. The auditor should return them to the original position after the test.
- Expect the test to take up to an hour or more, depending on the complexity of your home.
Preparing For A Blower Door Test (Contractors)
• Interior of the home should be completed with no outstanding permits
• Base Boards, Cabinets, Moldings, etc. should be completed
• Contractor must have and provide Energy Efficiency Code for Building Construction Form R405 along with the Master Permit Number prior to the scheduling of the Blower Door Test
• Estimates are provided based on the Form R405, which is the Energy Calculation Specification.
• Note to Contractors: This requirement only applies to residential construction. Currently, there are no requirements in the state of Florida for commercial construction.
Blower Door Testing
Check out this great video to better understand the Blower Door Test in Fort Lauderdale or the Blower Door Test in Miami.
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