WA Blower Door
Home
Residential Testing
Commercial Testing
Schedule A Test
Contact Us
Multi-Fan Testing
Air Leak Diagnosis
WA Blower Door
Home
Residential Testing
Commercial Testing
Schedule A Test
Contact Us
Multi-Fan Testing
Air Leak Diagnosis
More
  • Home
  • Residential Testing
  • Commercial Testing
  • Schedule A Test
  • Contact Us
  • Multi-Fan Testing
  • Air Leak Diagnosis

  • Home
  • Residential Testing
  • Commercial Testing
  • Schedule A Test
  • Contact Us
  • Multi-Fan Testing
  • Air Leak Diagnosis

South Hill Blower Door Testing

Your Blower Door Testing Experts in South Hill, WA

South Hill sits above the Puyallup Valley with steady ADU, remodel, and new-home permits that call for blower door testing under the Washington State Energy Code. WA Blower Door provides third-party residential tests from our Sumner shop a few minutes north — free travel within 20 miles of Ste 117, then $1.75 per mile. Book a Friday or Saturday slot online and we leave you with clear ACH50 numbers for the building department.

Ensure your home or business is energy-efficient and comfortable with our professional blower door testing services. 


Providing third party blower door testing results for Washington State Energy Code (R402.4.1.2) air leakage testing compliance. 

South Hill Blower Door Air Leakage Testing ACH Air Changes Per Hour

Take Action Now

CALL US

FILL OUT CONTACT US FORM
SCHEDULE ONLINE
(253) 802-8738

SCHEDULE ONLINE

FILL OUT CONTACT US FORM
SCHEDULE ONLINE
Book A Test

FILL OUT CONTACT US FORM

FILL OUT CONTACT US FORM
FILL OUT CONTACT US FORM
Contact Us

WHY CHOOSE WA BLOWER DOOR

South Hill Blower Door Air Leakage Testing ACH Air Changes Per Hour

Expert Team

Advanced Technology
Advanced Technology

Trained on Retrotec equipment.

South Hill Blower Door Air Leakage Testing ACH Air Changes Per Hour

Advanced Technology

Advanced Technology
Advanced Technology

 Precise and thorough testing. 

South Hill Blower Door Air Leakage Testing ACH Air Changes Per Hour

Quality Equipment

Advanced Technology
Quality Equipment

Retrotec Equipment for accurate results.

Our Services

Blower Door Testing

Energy Code Compliance
Energy Code Compliance

Trust our trained staff to conduct thorough Blower Door tests to assess your building's air tightness and identify potential energy leaks.

Energy Code Compliance

Energy Code Compliance
Energy Code Compliance

Ensure your project meets energy code regulations with our approved third-party WA Energy Code testing services.

Air Leakage Detection

Energy Code Compliance
Air Leakage Detection

We can use our blower door and FLIR thermal camera to identify where leaks are coming through your building envelope.

Contact Us Now!

CALL US

FILL OUT CONTACT US FORM
SCHEDULE ONLINE
(253) 802-8738

SCHEDULE ONLINE

FILL OUT CONTACT US FORM
SCHEDULE ONLINE
Book A Test

FILL OUT CONTACT US FORM

FILL OUT CONTACT US FORM
FILL OUT CONTACT US FORM
Contact Us

Copyright © 2026 WA Blower Door  - All Rights Reserved.

Our family: Dow Engineering, Build Sherpas. Same office in Sumner.

WA Blower Door, a tradename of Dow Engineering PLLC · 16202 64th St E Ste 117, Sumner, WA 98390 · (253) 802-8738

Dow Engineering PLLC

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  • Air Leak Diagnosis

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