Blower Door Testing in Chelmsford, MA
RESNET and BPI-certified blower door air leakage testing for new construction, Mass Save programs, and MA Stretch Code compliance in Chelmsford, MA.
Professional Blower Door Testing Services in Chelmsford, Massachusetts
RESNET and BPI-certified blower door air leakage testing for new construction, Mass Save programs, and MA Stretch Code compliance in Chelmsford, MA. We measure air infiltration in CFM50 and ACH50 — the standard metrics required for Stretch Code compliance.
New construction in Chelmsford must achieve 3.0 ACH50 or less under the MA Stretch Code. Our certified test results are accepted by all Massachusetts building departments, utilities, and Mass Save program administrators.
Our Blower Door Testing Process in Chelmsford
- Free Quote: Contact us for a transparent quote for blower door testing in Chelmsford. Package pricing with HERS Rating available.
- Schedule Test: We schedule at a time convenient for your construction timeline — including intermediate tests during framing.
- On-Site Testing: Our certified technician installs the blower door fan and records CFM50 and ACH50 measurements.
- Report Delivery: Certified blower door report delivered within 24 hours — ready for permits, Mass Save, and HERS Rating.
Related Services in Chelmsford
HERS Rating in Chelmsford
Blower door testing is included in every HERS Rating.
Learn More →Duct Leakage Testing in Chelmsford
Often scheduled together to minimize mobilization costs.
Learn More →MA Stretch Code in Chelmsford
Full IECC 2021 compliance — blower door is required at 3.0 ACH50.
Learn More →Frequently Asked Questions — Blower Door Testing in Chelmsford
How much does blower door testing cost in Chelmsford, MA?
Blower door testing pricing in Chelmsford: Single-family homes $1,850–$2,500 (when combined with HERS Rating) · Standalone blower door tests start from $350. Contact us for a free quote — package pricing available when combined with duct leakage testing and HERS Rating.
What is the blower door requirement in Chelmsford?
New residential construction in Chelmsford under the MA Stretch Code must achieve 3.0 ACH50 or less. The IECC 2021 base code requires 5.0 ACH50 or less.
How long does a blower door test take in Chelmsford?
The on-site blower door test in Chelmsford takes 1–2 hours. We deliver your certified test report within 24 hours.
Is blower door testing required for Mass Save rebates?
Yes. Blower door testing is required for Mass Save air sealing and insulation rebates in Chelmsford. Our certified results are accepted by all Mass Save program administrators.
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Schedule Blower Door Testing in Chelmsford
Contact HERS Rating Company for a free quote on blower door testing in Chelmsford, MA. RESNET and BPI-certified, 24-hour turnaround.