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Building envelope • air leakage

Blower-Door Testing in Florida

Blower-door testing measures air leakage through the building envelope. Florida Engineering offers testing and air-leakage reports as part of its energy services.

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Illustration of a blower-door fan fitted in a house doorway, a pressure gauge and airflow arrows.
Blower-door test setup · Illustrative diagram, not an FE field photograph.
Service overview

A measured result for your project.

A blower door uses a fan and pressure measurements to assess how much air moves through the building envelope. The test report documents the result for the project and supports the applicable energy-code review.

01

Confirm readiness

Coordinate the construction stage, access and building conditions before scheduling the test.

02

Measure air leakage

The test evaluates envelope leakage under a controlled pressure difference.

03

Document the result

An air-leakage report records the measured outcome for review and project records.

Testing measures the completed envelope; energy calculations evaluate the proposed design. A blower-door test does not replace energy calculations, HVAC design or a separate duct-leakage test.
Before you start

What to send our team

  • Project address, permit information and builder or owner contact
  • Available floor plans and energy-compliance documents
  • Construction status and anticipated inspection schedule
  • Site access details and any requirements from the building department
Need help gathering the details? Contact us
How it works

From request to review

  1. 1

    Confirm the test requirements

    Share the project documents and applicable inspection requirements.

  2. 2

    Coordinate site readiness

    Arrange access and confirm that the envelope is ready for testing.

  3. 3

    Test and document

    Review the measured result and any next steps required for the project.

Common questions

A few details before you begin.

When should testing be scheduled?

Coordinate with the team after the building-envelope penetrations are complete and before the relevant final review. Confirm project readiness before booking.

Does every project need the same test?

Requirements depend on the project, applicable code and any exceptions. Share the permit and energy documents so the required scope can be confirmed.

Does booking a test guarantee a passing result?

No. The result depends on the building as tested. If it does not meet the applicable requirements, corrective work and a retest may be needed.

Plan your blower-door test.

Share the project location and available documents so we can confirm the scope and next steps.

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Our FE / LE / GE team

Engineering in 23 licensed states

Together, Florida Engineering, Lightning Engineering and Gunderson Engineering provide engineering services across 23 licensed states. Services are provided by the firm authorized in your project’s state. Inspections are available in Florida only.

Select your project state to visit the company that serves that location.