REScheck & COMcheck Acushnet MA - Quick Facts
Local energy code in Acushnet
- New construction and major renovations in Acushnet follow the Massachusetts Stretch Energy Code. IECC Climate Zone 5A.
- Massachusetts has three energy-code levels - base (2021 IECC), Stretch, and Specialized (Opt-In) - and Acushnet is on the Stretch Code.
REScheck & COMcheck in Acushnet
- REScheck documents the prescriptive residential path for Acushnet additions, alterations and renovations (from $300); new-construction performance projects use a full HERS energy model instead.
- Commercial projects use COMcheck for the prescriptive path (from $600); larger new commercial buildings need third-party performance certification under the Stretch Code.
- 24-48 hour turnaround - documentation ready to upload with your Acushnet permit application.
What you can get back: 2026 Mass Save
- All-electric renovations and additions can earn Mass Save incentives up to $20,000 (Level 1) or $30,000 (Level 2) for a single-family home, verified by a RESNET-certified HERS rater.
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REScheck & COMcheck Acushnet MA
Fast, accurate REScheck and COMcheck energy code compliance reports for residential and commercial projects in Acushnet, Massachusetts. We prepare the documentation your building department needs to issue a permit — without the cost of a full performance-path energy rating when your project does not require one.
What we deliver
A signed compliance report matched to your plans and ready to upload with your Acushnet building permit application.
What Is a REScheck and What Is a COMcheck?
Both are free compliance software tools developed by the U.S. Department of Energy (DOE) to demonstrate that a building meets the International Energy Conservation Code (IECC). They document your envelope, and for commercial work your lighting and mechanical systems, so a plan reviewer in Acushnet can confirm compliance quickly.
What is a COMcheck?
COMcheck is DOE software for commercial buildings and high-rise residential (four stories or more). It checks the building envelope, interior and exterior lighting, and mechanical systems against the IECC or ASHRAE Standard 90.1, and can trade off components across the design.
What is a REScheck?
For homes, REScheck is the go-to. This DOE program checks residential envelopes — detached houses and multifamily up to three stories — and allows insulation and fenestration trade-offs to show prescriptive or component-based IECC compliance.
REScheck Projects in Acushnet
REScheck is the simplest path for smaller residential projects in Acushnet that do not need a HERS rating. It is typically the right tool for:
- New residential construction or an addition of 1,000 sq ft or less that does not require a HERS rating
- Permit applications needing residential envelope documentation on the prescriptive or UA trade-off path
- Window and insulation upgrades that must be documented for a building permit
- Multifamily buildings of three stories or fewer
- Additions, alterations, or renovations to a one- or two-family home
When Do You Need a COMcheck in Acushnet?
COMcheck is required for commercial and larger projects in Acushnet. Reach for a COMcheck when your project involves:
- Tenant fit-outs and interior or exterior lighting alterations
- Restaurant build-outs and retail white-box improvements
- Envelope work on commercial structures requiring IECC or ASHRAE 90.1 compliance
- Medical, dental, and professional office construction
- Commercial buildings — offices, retail, restaurants, warehouses, and mixed-use
What Your Acushnet Compliance Report Includes
Fast, permit-ready turnaround
We deliver documentation ready to upload with your building permit application, and we answer plan-review questions if the department asks for revisions.
Plans matched to code
We enter your assemblies, fenestration, and (for commercial) lighting and mechanical details exactly as designed, so the report reflects what you are actually building in Acushnet.
REScheck report
A signed REScheck compliance certificate matched to your plans, the inspection checklist, and the UA trade-off summary showing your insulation R-values and window U-factors meet the residential energy code.
COMcheck report
The COMcheck Envelope, Lighting, and Mechanical Compliance Certificates plus the Plan Review Checklist — the full package a commercial plan reviewer expects for permit submission.
Serving Acushnet and Bristol County
Acushnet sits in Bristol County, Massachusetts, in IECC climate zone 5A — the cold-climate zone that drives the insulation and air-sealing levels your REScheck or COMcheck must document. We prepare compliance reports for projects throughout Bristol County, matched to the code edition Acushnet currently enforces.
What a REScheck or COMcheck Costs in Acushnet
Transparent starting prices. Final cost depends on project size, number of assemblies, and scope.
- REScheck (residential): starting at $300
- COMcheck (commercial): starting at $600
- Revisions to match plan-review comments are handled promptly
REScheck reports start at $300 and COMcheck reports start at $600 for projects in Acushnet. Send your plans for an exact quote.
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Which Energy Code Report Does a Acushnet Project Need?
Acushnet is not one of the 60 Massachusetts communities on the Specialized Code, so projects follow the Massachusetts Stretch Code (225 CMR 22.00 and 23.00), which 242 communities have adopted. Acushnet adopted the Stretch Code effective January 1, 2014, and it has not adopted the Specialized (Opt-In) Code.
| Your Acushnet project | What the energy code paperwork usually is |
|---|---|
| New single-family home or low-rise residential building | In Stretch Code towns, a HERS rating (maximum HERS 42 mixed-fuel, 45 all-electric) or Passive House. REScheck is not accepted for new homes under the Stretch Code. |
| Residential addition of 1,000 sq ft or less (and not over 100% of the existing home) | REScheck (REScheck-Web, 2023 Massachusetts Stretch Code) or the prescriptive tables |
| Residential addition over 1,000 sq ft or over 100% of the existing home | A HERS rating of the whole house (HERS 65 or lower mixed-fuel, 70 or lower all-electric) |
| Basement or attic conversion with no change to footprint or roofline | No HERS rating required; REScheck or prescriptive documentation |
| Residential renovation or alteration | Prescriptive alteration rules; REScheck can document the envelope. Large "extensive" alterations over 1,000 sq ft may need a HERS rating. |
| New commercial building up to 20,000 sq ft | COMcheck: Envelope, Lighting and Mechanical certificates plus the Plan Review Inspection Checklist |
| New commercial building over 20,000 sq ft | COMcheck Lighting and Mechanical, with the envelope shown by backstop and thermal-bridge calculations, on a performance path (Targeted Performance/TEDI or ASHRAE 90.1 Appendix G) or Passive House |
| Commercial addition, alteration, or lighting/HVAC change | COMcheck for the altered systems |
| Multifamily building over 12,000 sq ft | Passive House or a HERS/performance path |
Based on 225 CMR 22.00 and 23.00 (Massachusetts energy code, 2025 edition). Building departments make the final call, so we confirm the path for your project before we start. Acushnet is in Bristol County, served from our Framingham (68 South St) office.
How We Prepare Your Acushnet REScheck or COMcheck
Send your plans
Email the permit set for your Acushnet project. We tell you the same day whether you need a REScheck, a COMcheck or a HERS rating.
We model the building
We enter every assembly, window, light fixture and HVAC unit as designed and flag anything that fails before the plan reviewer sees it.
Permit-ready report
You get the signed compliance certificates and checklists, ready to upload with your Acushnet building permit application.
Plan review support
If the building department asks for changes, we revise the report and answer the reviewer's questions.
REScheck & COMcheck for Acushnet Permits
Acushnet adopted the Stretch Code effective January 1, 2014, and it has not adopted the Specialized (Opt-In) Code. Building permits are handled by the Building Department at Town Hall, 122 Main Street. Most applicants file online through the town's SimpliCITY (MapsOnline) permit system; a paper application is still accepted for an extra $50 fee. The town asks for sketches, drawings or plans of all proposed work, and the energy code report belongs in that package.
Which report you need depends on the project:
- REScheck for a small residential addition or alteration where the prescriptive path is allowed. That means an addition up to 1,000 sq ft and not more than 100% of the existing home, such as a family room, a sunroom or a second-floor bedroom.
- HERS rating for new homes and larger renovations. Under the Stretch Code a new house must reach HERS 42 mixed-fuel or HERS 45 all-electric. A larger addition or major renovation must reach HERS 65 mixed-fuel or HERS 70 all-electric.
- COMcheck for commercial buildings, covering envelope, lighting and mechanical systems. Commercial buildings over 20,000 sq ft need more than COMcheck under the Stretch Code.
Small multi-unit housing is on the Planning Board's agenda. In May 2026 the board continued a special permit hearing for 72 Middle Road, a proposed 12-unit over-55 community built as six duplexes. New duplexes like these fall under the residential code, so each unit would follow the HERS path rather than a REScheck.
The closest HEEC office to Acushnet is in Framingham at 68 South St, and we work across the South Coast. Reports are delivered as PDFs you can attach in SimpliCITY.
REScheck & COMcheck Questions for Acushnet Projects
Do I need a REScheck or a HERS rating in Acushnet?
Under the Massachusetts Stretch Code, new homes need a HERS rating (HERS 42 mixed-fuel or 45 all-electric) or Passive House. REScheck is used for additions of 1,000 sq ft or less that are not over 100% of the existing home, basement and attic conversions, and renovations. We confirm Acushnet's code status before we start.
When is a COMcheck required in Massachusetts?
A COMcheck documents commercial energy code compliance for new commercial buildings up to 20,000 sq ft (envelope, lighting and mechanical), for lighting and mechanical on larger buildings, and for commercial additions and alterations such as fit-outs, lighting changes and HVAC replacements. Massachusetts commercial code is based on the 2021 IECC with state amendments in 225 CMR 23.00.
What does a COMcheck include?
The COMcheck Envelope Compliance Certificate, the Interior and Exterior Lighting Compliance Certificates, the Mechanical Compliance Certificate, and the Plan Review Inspection Checklist. Massachusetts 225 CMR 23.00 Section C103.2 lists these as the construction-document requirements for buildings up to 20,000 sq ft.
What does a REScheck include?
A REScheck compares your home's envelope (insulation R-values and window U-values) to the code using a total UA trade-off, so stronger performance in one assembly can offset another. The report includes the compliance certificate and inspection checklist. Mandatory items such as air sealing and duct sealing still apply.
What size addition needs a HERS rating instead of REScheck?
In Massachusetts, a residential addition over 1,000 sq ft, or over 100% of the existing conditioned floor area, needs a HERS rating of the whole house (225 CMR 22.00 R502.1.1). Converting an existing basement or attic without changing the footprint or roofline does not.
What information do you need to prepare a REScheck or COMcheck?
Plans with wall, roof and floor sections, insulation types and R-values, the window and door schedule with U-factors and SHGC, and for commercial work the lighting fixture schedule with wattages, lighting controls, and HVAC and water heating equipment schedules.
Which software version is used in Massachusetts?
REScheck-Web with the 2023 Massachusetts Stretch Code option for residential, and COMcheck-Web set to the 2021 IECC (or ASHRAE 90.1-2019) for commercial, matching the code Massachusetts enforces.
How much does a REScheck or COMcheck cost in Acushnet?
REScheck reports start at $300 and COMcheck reports start at $600. The final price depends on the size of the project and how many assemblies and systems need to be entered. Send your plans for an exact quote.
How do I apply for a building permit in Acushnet?
Acushnet building permits are filed online through the town's SimpliCITY (MapsOnline) system. A paper application is accepted for an additional $50 fee. The Building Department is at Town Hall, 122 Main Street, and asks for drawings or plans of all proposed work.
Does a new duplex in Acushnet need a HERS rating?
Yes. Acushnet has used the Stretch Code since January 1, 2014, so new homes, including each unit of a new duplex, need a HERS rating of 42 mixed-fuel or 45 all-electric. A REScheck is only for small additions and alterations.
Related: HERS rating in Acushnet · Blower door testing · COMcheck & REScheck reports
Need a REScheck or COMcheck in Acushnet?
Send us your plans and we will tell you which report you need and get it back to you fast — ready for your Acushnet permit.
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HERS Ratings in Acushnet, Massachusetts
Home Energy Efficiency Consultants provides Acushnet with certified HERS ratings, blower door and duct leakage testing, and Massachusetts energy-code compliance for new construction, additions, and major renovations — with same-day preliminary reports.
We rate homes across the Commonwealth from our four offices. Reach the one nearest your Acushnet project — Somerville, Framingham, Marlborough, or Everett — or call (617) 501-6788 to schedule a Acushnet rating.
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