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Grand Ridge, Jackson County

Blower Door Testing in Grand Ridge, Florida

For Grand Ridge owners and builders asking whether the air leakage test applies, and what it measures.

Blower door fan set in a red panel across the front doorway of a new house

Blower door tests in Grand Ridge

Big Bend Services, Inc. runs blower door tests on newly built houses in Grand Ridge, ZIP 32442. The Florida energy code limit for Climate Zone 2 is 7 air changes per hour at 50 pascals.

Builders and owners of a newly built house can book. Call (850) 819-6031 on a weekday from 7:00 AM to 4:00 PM, or send the form. Tests are booked through our office in Wewahitchka.

Blower door fan set up in a hallway doorway of a new home

Additions

Does a Grand Ridge addition need the test?

  • Under 85 percent of the envelope

    Additions and alterations that make up less than 85 percent of the building thermal envelope do not have to be tested.

  • Who decides

    Your building official decides whether the exception covers a project.

Blower door fan sealed into the front doorway of a new house, seen from outside

The boundary

Attics and garages in a Grand Ridge test

  • Vented attic over the rooms

    Stays outside. The ceiling drywall and everything cut through it form the line the fan reads.

  • Insulation at the roof deck

    An attic sealed and insulated at the roof deck is opened to the house for the test, and its space is measured with the rooms.

  • Unconditioned attached garage

    Stays outside. The shared wall and the door into the house are part of the measured boundary.

  • A room over the garage

    Inside the test once it is heated and cooled, and its floor over the garage becomes part of the boundary.

Empty garage of a newly built house with a white door and a water heater

Test day

Test-day set-up

  • Windows and outside doors

    Shut and latched, not taped.

  • Fans, the hood and the dryer

    Kitchen and bath fans off with their dampers closed, and the dryer not running, with its vent flap shut.

  • Fireplaces and stoves

    Doors shut and flue damper closed.

  • Interior doors

    Open throughout, bedrooms and closets included, so the whole house sits at one pressure.

  • Heating and cooling

    Off for the test, with every supply and return register open.

  • Drain traps

    Filled in any bath or kitchen that has not been used yet.

Blower door fan sealing the front door of a new house, seen at an angle

Booking

What to send when you book

Send the address, the permit number, the date the house will be ready and who to call on site. Book once every opening through the shell has been made. If the ready date slips, call the office and a new test date is set.

  • Other services

    Gutters, a garage door or wire shelving can go on the same call.

New single-story house with the outside finished and the yard not yet landscaped
Blower door fan in a red panel beside a doorway with a gauge on a tripod

What to expect

How the test is set up

  1. 1

    Send the build details

    Address, permit number and when the house will be ready.

  2. 2

    Test booked

    We give you a date for the test.

  3. 3

    Test run

    The house is tested once it is ready.

  4. 4

    After a failed test

    Corrections are made and the house is tested again.

Get a Quote

Empty bedroom of a newly finished house

FAQ

Grand Ridge blower door test questions

Have another question? Call (850) 819-6031.

Does a garage turned into living space join the boundary?
Yes, once it is heated and cooled. Its walls, ceiling and slab edge become part of the envelope, and the old garage door opening becomes an outside wall.
Does a new sunroom count as part of the house?
Yes, if it is heated and cooled. A sunroom without heating or cooling sits outside the envelope, and the wall and door between it and the house form the boundary.
Is a house built on piers tested differently?
No. The fan and the limit are the same. Its raised floor is part of the boundary, so each pipe, wire and duct that drops through it to the space below counts.
Can the house be furnished on test day?
Yes. Furniture, rugs and belongings have no effect on the reading and can stay where they are.
What if rooms have different ceiling heights?
Each room counts toward the volume at its own height, and the reading covers the whole connected space.
Do paint and flooring need to be done first?
No. Paint, flooring, trim, cabinets and countertops do not change the reading.

Get a quote

Request a Blower Door Test in Grand Ridge

Send the Grand Ridge address, the permit number, the ready date and who to call on site.

(850) 819-6031

511 S Highway 71, Wewahitchka, FL 32465
Monday to Friday, 7:00 AM to 4:00 PM

Newly built two-story home with fresh sod and a new driveway

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