MA Stretch Code Compliance in Southborough, MA
Complete MA Stretch Code 2021 (IECC 2021) compliance services for new residential construction in Southborough, MA — from plan review through HERS certification.
MA Stretch Code 2021 Compliance Services in Southborough, Massachusetts
Complete MA Stretch Code 2021 compliance services for new construction in Southborough, MA. We manage the entire process — plan review, energy modeling, blower door testing, duct leakage testing, and final HERS certification — so your project meets all requirements.
Southborough has adopted the MA Stretch Code, requiring new residential buildings to achieve: HERS score 55 or below · blower door 3.0 ACH50 or less · total duct leakage 4% or less. All requirements must be verified by a RESNET-certified rater.
Our MA Stretch Code Compliance Process in Southborough
- Plan Review & Quote: Submit your building plans. We review them, model them to a HERS score, and provide a compliance roadmap and quote.
- Pre-Construction Modeling: We model your plans to a HERS score before construction begins — identifying compliance risks cost-effectively.
- Construction Phase Testing: Intermediate blower door and duct tests verify compliance during construction.
- Final Certification: Final HERS Rating, RESNET-certified compliance report, and documentation for your building department.
Related Services in Southborough
HERS Rating in Southborough
HERS score 55 or below required for MA Stretch Code.
Learn More →Blower Door Testing in Southborough
3.0 ACH50 or less required under MA Stretch Code.
Learn More →Duct Leakage Testing in Southborough
4% or less total duct leakage required for forced-air systems.
Learn More →Frequently Asked Questions — MA Stretch Code Compliance in Southborough
How much does MA Stretch Code compliance cost in Southborough?
MA Stretch Code compliance package pricing in Southborough: Single-family homes $1,850–$2,500 · Multifamily (per unit) $650–$1,200 · ADUs $1,600–$1,850. Full package includes HERS Rating, blower door testing, and duct leakage testing. Contact us for a free, project-specific quote.
Does Southborough require the MA Stretch Code?
Yes. Southborough has adopted the MA Stretch Code, requiring new residential construction to achieve: HERS score 55 or below · blower door 3.0 ACH50 or less · total duct leakage 4% or less — all verified by a RESNET-certified rater.
How do I prove MA Stretch Code compliance in Southborough?
Compliance is documented through a RESNET-certified HERS Rating report. Our reports are accepted by the Southborough building department and all Massachusetts municipalities as proof of MA Stretch Code compliance.
What is included in the full MA Stretch Code compliance package?
Our full compliance package for Southborough includes: energy modeling from building plans · blower door air leakage test · duct leakage test · final HERS Rating · RESNET-certified compliance report for the building department.
More Cities Near Southborough
Get MA Stretch Code Compliance in Southborough
Contact HERS Rating Company for a free quote on MA Stretch Code 2021 compliance in Southborough, MA. Full package: HERS Rating, blower door, and duct leakage testing.
Also Serving Nearby Cities
We provide MA Stretch Code Compliance services throughout the region. Nearby cities we serve: Marlborough · Ashland · Hopkinton · Hudson · Westborough