Duct Leakage Testing in Cohasset, MA
RESNET-certified duct leakage (duct blaster) testing for new construction, HERS Ratings, Mass Save programs, and MA Stretch Code compliance in Cohasset, MA.
Professional Duct Leakage Testing Services in Cohasset, Massachusetts
RESNET-certified duct leakage testing for new construction, HERS Ratings, Mass Save programs, and MA Stretch Code compliance in Cohasset, MA. We measure total duct leakage and leakage to outdoors — the two metrics required by all Massachusetts energy codes.
New construction in Cohasset 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 Cohasset
- Free Quote: Contact us for a transparent quote for duct testing in Cohasset. 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 Cohasset
HERS Rating in Cohasset
Duct leakage testing is included in every HERS Rating.
Learn More →Blower Door Testing in Cohasset
Often scheduled together to minimize mobilization costs.
Learn More →MA Stretch Code in Cohasset
Full compliance: HERS 55, ACH50 3.0, duct leakage 4%.
Learn More →Frequently Asked Questions — Duct Leakage Testing in Cohasset
How much does duct leakage testing cost in Cohasset, MA?
Duct leakage testing pricing in Cohasset: 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 Cohasset?
Under the MA Stretch Code, total duct leakage in Cohasset 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 Cohasset?
The on-site duct blaster test in Cohasset takes 1–2 hours. We deliver your certified report within 24 hours.
Is duct leakage testing required in Cohasset?
Yes. Duct leakage testing is required for new residential construction with forced-air HVAC in Cohasset 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 Cohasset
Contact HERS Rating Company for a free quote on duct leakage testing in Cohasset, MA. RESNET-certified, 24-hour turnaround.