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