Duct Leakage Testing in Winthrop, MA
RESNET-certified duct leakage (duct blaster) testing for new construction, HERS Ratings, Mass Save programs, and MA Stretch Code compliance in Winthrop, MA.
Professional Duct Leakage Testing Services in Winthrop, Massachusetts
RESNET-certified duct leakage testing for new construction, HERS Ratings, Mass Save programs, and MA Stretch Code compliance in Winthrop, MA. We measure total duct leakage and leakage to outdoors — the two metrics required by all Massachusetts energy codes.
New construction in Winthrop with forced-air HVAC must achieve total duct leakage of 4% or less of system airflow under the MA Stretch Code. Our certified reports are accepted by all Massachusetts building departments and Mass Save administrators.
Our Duct Leakage Testing Process in Winthrop
- Free Quote: Contact us for a transparent quote for duct testing in Winthrop. Package pricing with HERS Rating available.
- Schedule Test: We schedule your duct blaster test at a convenient time — including pre-drywall tests.
- On-Site Testing: Our technician connects the duct blaster fan and records total leakage and leakage-to-outside.
- Report Delivery: Certified duct leakage report delivered within 24 hours — ready for permits, Mass Save, and HERS Rating.
Related Services in Winthrop
HERS Rating in Winthrop
Duct leakage testing is included in every HERS Rating.
Learn More →Blower Door Testing in Winthrop
Often scheduled together to minimize mobilization costs.
Learn More →MA Stretch Code in Winthrop
Full compliance: HERS 55, ACH50 3.0, duct leakage 4%.
Learn More →Frequently Asked Questions — Duct Leakage Testing in Winthrop
How much does duct leakage testing cost in Winthrop, MA?
Duct leakage testing pricing in Winthrop: Single-family homes $1,850–$2,500 (when combined with full HERS Rating package) · Standalone duct tests start from $250. Contact us for a free quote — package pricing available with blower door testing and HERS Rating.
What is the duct leakage limit in Winthrop?
Under the MA Stretch Code, total duct leakage in Winthrop must be 4% or less of system airflow. The IECC 2021 base code allows up to 8%. Leakage-to-outside must be 4 CFM25 per 100 sq ft under both codes.
How long does duct leakage testing take in Winthrop?
The on-site duct blaster test in Winthrop takes 1–2 hours. We deliver your certified report within 24 hours.
Is duct leakage testing required in Winthrop?
Yes. Duct leakage testing is required for new residential construction with forced-air HVAC in Winthrop under both the MA Stretch Code and IECC 2021 base code, and as a component of every HERS Rating.
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Schedule Duct Leakage Testing in Winthrop
Contact HERS Rating Company for a free quote on duct leakage testing in Winthrop, MA. RESNET-certified, 24-hour turnaround.