Blower Door Testing: Ensure Code Compliance and Maximize Energy Efficiency with Capital Insulation LLC

Washington State's Energy Code now mandates blower door testing for air leakage in new construction and many remodeling projects. As BPI (Building Performance Institute) certified Building Analysts with years of experience, Capital Insulation LLC provides the expert testing you need to meet code and pass inspections.

Why Blower Door Testing?

Blower door tests accurately measure air leakage, helping you identify and fix problem areas to achieve a more energy-efficient home and avoid costly compliance issues.

Our Competitive Pricing:

We understand the costs associated with building and remodeling. That's why we offer competitive pricing:

  • Single-family home or single unit in the greater Seattle area: $350

  • Contractor pricing for 2 to 5 homes/units in the greater Seattle area: $300

  • Contractor pricing for 5+ homes: Please get in touch with Capital Insulation LLC for a custom quote.

  • Additional travel fees outside a 30-minute driving radius from Seattle: $70 per hour.

What's Included in Our Air Leakage Testing:

  • Review of plans to calculate square footage and building volume.

  • Set up and operate the blower door to measure air leakage.

  • Calculation of ACH50 (air changes per hour at 50 pascals).

  • Recording of test results and on-site form delivery.

  • Provision of written documentation for your project manager.

  • Optional: Repairs to Lower ACH: If your test results exceed code requirements, we also offer repair services to lower your ACH and ensure compliance. (Additional costs apply).

Preparing for Your Blower Door Test:

To ensure a smooth and efficient test, please provide the following information:

  • Address (including cross street if GPS navigation is unreliable).

  • Builder's name.

  • Superintendent's contact information.

  • Lock box code (if applicable).

  • Total square footage of the building.

  • Building volume.

Building Readiness Checklist:

Please ensure the following are completed before the test:

  • Plans are available on-site.

  • All windows are installed.

  • All exterior doors and hardware are installed.

  • All crawlspace and attic hatches are finished with proper hardware.

  • All combustion equipment is installed with complete venting.

  • All exhaust fans are installed with complete venting.

Contact Capital Insulation LLC today to schedule your blower door test and ensure your project meets Washington State Energy Code requirements.

Based in Tacoma, WA, we serve clients within a 100-mile radius. Fully licensed and insured, we’ve delivered reliable service since 2005.

CONTACT uS

  • Primary: (206) 485-5100

  • Secondary: (253) 224-3747

  • [email protected]

  • Tacoma, WA

  • We Cover all of Tacoma & a 100-Mile Radius

  • Business Hours: Monday – Friday, 8:00 AM – 5:00 PM

  • Free Estimates Available

  • Residential & Commercial Clients

  • Payment Methods: Cash, Zelle, Debit, and Credit Cards

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