# Mass Generators LLC

**Trade:** Electrical · **Address:** 1068 Washington St, Weymouth, MA 02189, USA · **Phone:** (781) 340-5700 · **Website:** http://www.massgeneratorsllc.com/ · **Languages:** English

**Rating: 4.2/5** (medium confidence) — from 18 reviews across 5 sources. A 0–5 star rating built from what customers and the public say (every review and mention weighted by where it was posted, how old, how detailed and how credible it is, shrunk toward a 3.5★ baseline when evidence is thin) plus what the record shows (Reddit recommendations or warnings, a registry-verified licence, how recently they were reviewed, customer work photos, BBB grade, negative news, a revoked licence). Positive record counts only as far as the reviews have earned it; penalties count in full. Confidence describes how much weighted evidence stands behind the number, never the number itself: low when fewer than about five normal reviews' worth of weight (or mentions only) support it, medium up to about twenty, high beyond that across at least two sources. An operator flag for a suspicious review pattern caps a rating at 3.5★ and marks it low.
100% of sentiment-scored reviews read net-positive. Last 6 months: 5 reviews, 0 negative.

## The honest read

Mass Generators is a Weymouth shop built around one thing: whole-house standby generators, sold and installed as an authorized Kohler dealer. Its website describes the company as family owned and operated, serving homes and businesses across Massachusetts and New England.

Eighteen Google and Angi reviews running from 2016 through this year are unanimous — every one five stars — and owner Don Noll is named by name in almost all of them. A 2026 review has Kohler-certified technician Brady diagnosing and replacing a failing battery the same visit a generator quit; another recent review describes a full standby-generator install with extra electrical wiring finished the same day, plus a callback later to fix an unrelated breaker at no extra prompting. Repeat business shows up too — in 2022 and 2023 reviews, different homeowners describe calling Don back for annual maintenance or another electrical job after their original install.

One customer, writing in a 2021 review, called Don "the G.O.A.T. of generators" after office manager Janice fielded the first call; shorter reviews across the years repeat the same themes — quick estimates, on-time appointments, the install explained step by step, and a jobsite left clean.

One thing worth clarifying before booking: the website advertises 24/7 service, but the company's Angi profile states it doesn't offer emergency service or free estimates — so this reads as a planned-installation specialist rather than an emergency call, and it's worth confirming turnaround and pricing up front. For anyone weighing a whole-house Kohler or Generac system, the decade-long record here is about as consistent as they come.

**Strengths:**
- Same-day fixes — battery and breaker issues resolved in one visit
- Repeat customers — return for maintenance and further electrical work
- Clean, professional installs — neat jobsites and clear explanations
- Kohler-certified technicians — factory training backs the service calls

**Concerns:**
- Limited scope — Angi lists no free estimates or emergency service

**Where sources disagree:**
- Website advertises 24/7 service, but the company's Angi profile states it does not offer emergency service.

## Claims & citations

Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication.

- Same-day battery fix — technician diagnosed and repaired the issue in one visit _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25kNVFWbHJlWFozT1VWdk1IaHpaMVo2YzJwRWRIYxAB!2m1!1s0x0:0x1adf1cbb2f6248ea!3m1!1s2@1:CAIQACodChtycF9oOnd5QVlreXZ3OUVvMHhzZ1Z6c2pEdHc%7C%7C?hl=en) — “5★ Mass Generators, LLC, came to service my Generac house generator today, that had stopped working. From the first contact with Janice in t…”
- Extra electrical work handled same day as the generator install _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25SQlZGTTRTR1pNUmxOMWFraHlUM1pCYUhad2VYYxAB!2m1!1s0x0:0x1adf1cbb2f6248ea!3m1!1s2@1:CAIQACodChtycF9oOnRBVFM4SGZMRlN1akhyT3ZBaHZweXc%7C%7C?hl=en) — “5★ Had a great experience with this company and Don the owner. Great communication and in installed my Kohler generator with no issues. Did …”
- Repeat customers return for maintenance and further electrical work _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNSdWF6dFp3EAE!2m1!1s0x0:0x1adf1cbb2f6248ea!3m1!1s2@1:CIHM0ogKEICAgICRuaztZw%7C%7C?hl=en) — “5★ I couldn’t have had a better experience with a Kohler generator install. Don and his team were great from beginning to end.  They respond…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUQyb1A2alR3EAE!2m1!1s0x0:0x1adf1cbb2f6248ea!3m1!1s2@1:CIHM0ogKEICAgID2oP6jTw%7C%7C?hl=en) — “5★ Don and team installed a generator at our new home last week and we're very happy with the result.  Mass Generators has a lot of experien…”
- Authorized Kohler generator dealer with factory-certified technicians _(confidence: high)_
  - [Official Website](http://www.massgeneratorsllc.com) — “Stated certification/affiliation: Authorized KOHLER Generator Dealer”
- Self-described as family owned and operated _(confidence: medium)_
  - [Official Website](http://www.massgeneratorsllc.com) — “Ownership (self-reported): Family owned and operated (per the site's About page title); no specific owner named.”
- Angi profile states the business does not offer free estimates or emergency service _(confidence: high)_
  - [Angi](https://www.angi.com/companylist/us/ma/weymouth/mass-generators%2C-llc-reviews-8424292.htm) — “Angi profile for Mass Generators, LLC at 1068 Washington Street, Weymouth, MA — rated 5.0 from a single 2016 review; the page's FAQ states t…”
- Specializes in Electrical _(confidence: high)_
  - [Official Website](http://www.massgeneratorsllc.com) — “Mass Generators LLC is a Weymouth, MA-based authorized KOHLER generator dealer providing residential and commercial generator sales, install…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25SQlZGTTRTR1pNUmxOMWFraHlUM1pCYUhad2VYYxAB!2m1!1s0x0:0x1adf1cbb2f6248ea!3m1!1s2@1:CAIQACodChtycF9oOnRBVFM4SGZMRlN1akhyT3ZBaHZweXc%7C%7C?hl=en) — “5★ Had a great experience with this company and Don the owner. Great communication and in installed my Kohler generator with no issues. Did …”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNSdWF6dFp3EAE!2m1!1s0x0:0x1adf1cbb2f6248ea!3m1!1s2@1:CIHM0ogKEICAgICRuaztZw%7C%7C?hl=en) — “5★ I couldn’t have had a better experience with a Kohler generator install. Don and his team were great from beginning to end.  They respond…”

## Ownership

- Identifies as family-owned — the business's own statement, not independently verified.

## License

Status: **not_found** — verified against the official MA state registry, never self-reported.
Re-check at the official registry: https://elicensing21.mass.gov/CitizenAccess/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=Home

## Sources

- [Google](https://www.google.com/maps/search/?api=1&query=Mass%20Generators%20LLC&query_place_id=ChIJ__9DOUBi44kR6khiL7sc3xo): 5.0★ from 20 ratings
- [Google Reviews](https://www.google.com/maps/search/?api=1&query=Mass%20Generators%20LLC&query_place_id=ChIJ__9DOUBi44kR6khiL7sc3xo): Listed on this source
- [Official Website](http://www.massgeneratorsllc.com): Self-reported profile and service details
- [Angi](https://www.angi.com/companylist/us/ma/weymouth/mass-generators%2C-llc-reviews-8424292.htm): 5.0★ from 1 ratings
- [Exa](https://www.bestprosintown.com/ma/weymouth/mass-generators-llc-/): 8 web mentions across the open web (each linked to its source)

## Mentions

Unverified third-party mentions found on the open web — relay with attribution ("a Reddit commenter said…"), never as Tavlee's own finding.

- “Great service, pricing and process” — gendealers.com (2020-07-21) — https://www.gendealers.com/dealer/mass-generators-llc-weymouth-ma

## Recent reviews

- **5/5 · Google Reviews · Brian Donahue · 2026-06-08**: Highly recommend this company, 5 Stars in every way!
- **5/5 · Google Reviews · Kevin Buckley · 2026-05-08**: Mass Generators, LLC, came to service my Generac house generator today, that had stopped working. From the first contact with Janice in the office, everything was handled friendly and professionally. The technician that came today was named Brady and immediately diagnosed the problem with my battery…
- **5/5 · Google Reviews · Terry Bradshaw · 2026-05-04**: Don and team installed a whole house standby generator for us a couple of days ago.  I had a very good experience with Mass Generators--very quick to get me an estimate, great communication, fast and high quality install, neat jobsite.  The team was warm and had a good sense of humor.  It was fun to…
- **5/5 · Google Reviews · Katie Raymis · 2026-04-30**: Had a great experience with this company and Don the owner. Great communication and in installed my Kohler generator with no issues. Did some extra electrical wiring I needed the same day and it looks great and is much safer! Was very professional and explained everything very well and answered all …
- **5/5 · Google Reviews · Robert McWade · 2026-02-27**: Don and his team are very professional and extremely knowledgeable about the various generator lines they install and support. They're punctual with their annual maintenance programs, and when needed, very responsive in addressing issues and or concerns.
- **5/5 · Google Reviews · Mike Gratis · 2025-12-23**: I have been considering and looking into getting a whole house generator for quite a while, and the can kept getting kicked down the road, but I finally got to the point I just wanted to bite the bullet and get it done.  A good friend who is an electrician recommended Don Noll of Mass Generators to …
- **5/5 · Google Reviews · Danielle Pacione · 2025-12-19**: Very professional and easy to work with. Showed up on time, explained things clearly, and completed the job quickly. You can tell they take pride in their work. Highly recommend!
- **5/5 · Google Reviews · Jacqui Lewis · 2023-07-24**: I had MassGenerators install a full house Kohler generator. Don was great through the whole process. He was detailed in his explanations, proficient, professional and operated on my time frames. I would highly recommend Don and his team and greatly appreciate the fact that what I thought might be a …
- **5/5 · Google Reviews · steve damon · 2023-04-05**: I couldn’t have had a better experience with a Kohler generator install. Don and his team were great from beginning to end.  They respond promptly, are professional, friendly, clean and fairly priced. Previous to this I have had Don out multiple times for other electrical work for large and small jo…
- **5/5 · Google Reviews · Craig Koebelin · 2022-11-14**: Don Noll and his team did a difficult install of a Generac for me last week and everything looks great. They are very professional with their communications and very neat with the installation components. I'm feeling much better going into this winter after the last one.

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Data freshness: last scanned 2026-07-05T10:46:38.389Z.
Cite as: Mass Generators LLC — Tavlee (https://tavlee.com/contractor/mass-generators-llc-weymouth)
Source: https://tavlee.com/contractor/mass-generators-llc-weymouth