# KNC Mechanical

**Trade:** HVAC / Heating & Cooling · **Address:** 536 Granite St #1, Braintree, MA 02184, USA · **Phone:** (781) 843-3801 · **Website:** http://www.kncmechanical.com/ · **Languages:** English

**Rating: 2.5/5** (low confidence) — from 3 reviews across 5 sources.

## The honest read

KNC Mechanical is a Braintree-based mechanical contractor working plumbing, HVAC, and boiler systems for commercial, multi-residential, and industrial buildings, with a self-reported family ownership going back roughly 70 years and 24/7 emergency service added over the last decade.

The one detailed account in the record is institutional, not residential: a 2014 trade-press feature describes KNC replacing the boiler room and 120 heating units and helping renovate 50 bathrooms and kitchens at Chapman Arms, a historic 50-unit apartment building in Harvard Square — all while the building stayed fully occupied.

The written customer record beyond that is thin and mixed: a 2023 review describes the workers as rude and aggressive, and a 2021 review describes a company vehicle driving recklessly through stop signs in Framingham — neither describes the mechanical work itself. A 2022 five-star review is enthusiastic about their heating and cooling but offers no specific job detail. The company's BBB profile carries an A+ grade, though BBB notes it is not an accredited business and the profile lists no customer reviews or complaint history.

For a commercial or multi-unit mechanical project, the Chapman Arms work is a real, if dated, example of scope handled. Given how thin and conduct-focused the residential-facing reviews are, it's worth asking directly about current crew conduct and getting references from a comparable recent job.

**Strengths:**
- Institutional project — a 2014 feature describes a full boiler-room renovation in an occupied building

**Concerns:**
- Rude conduct — a 2023 review calls workers rude and aggressive
- Reckless driving — a 2021 review describes a company truck blowing through stop signs

**Where sources disagree:**
- BBB shows an A+ grade while Google shows 2.6★ from 5 ratings; BBB itself notes the company is not accredited and has no reviews or complaints on file behind that grade

## Claims & citations

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

- The company's own website says it is family-owned with roughly 70 years in the plumbing and HVAC industry, and became a 24-hour service company in the last decade _(confidence: medium)_
  - [Official Website](http://www.kncmechanical.com) — “Company history (self-reported): Family-owned business with over 70 years of experience in the plumbing and HVAC industry; became a 24-hour …”
  - [Official Website](http://www.kncmechanical.com) — “Ownership (self-reported): Family-owned business”
  - [Official Website](http://www.kncmechanical.com) — “Self-reported 70 years in business”
- Better Business Bureau shows an A+ grade but notes the company is not accredited and lists no customer reviews or complaint counts _(confidence: high)_
  - [Better Business Bureau](https://www.bbb.org/us/ma/braintree/profile/electrician/knc-mechanical-0021-505605) — “Better Business Bureau grade: A+”
  - [Better Business Bureau](https://www.bbb.org/us/ma/braintree/profile/electrician/knc-mechanical-0021-505605) — “KNC Mechanical has a BBB rating of A+ but is not a BBB Accredited Business, and the profile lists no customer reviews or complaint counts.”
- A 2014 trade-press feature describes KNC replacing a boiler room and 120 heating units and helping renovate 50 bathrooms and kitchens at an occupied Harvard Square apartment building _(confidence: medium)_
  - [high-profile.com](https://www.high-profile.com/knc-completes-chapman-arms-project/) — “high-profile.com — KNC Mechanical, headquartered in Braintree, recently completed plumbing and HVAC renovations at Chapman Arms, a historic …”
- A 2023 review describes the workers as rude and aggressive _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUN4MEpUc1pREAE!2m1!1s0x0:0xc39e64ea7a5c0189!3m1!1s2@1:CIHM0ogKEICAgICx0JTsZQ%7C%7C?hl=en) — “1★ These workers are incredible rude, aggressive, and need to be fired for the good of the community.”
- A 2021 review describes a company vehicle driving recklessly through multiple stop signs in Framingham _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQ2MUtpeXhnRRAB!2m1!1s0x0:0xc39e64ea7a5c0189!3m1!1s2@1:CIHM0ogKEICAgID61KiyxgE%7C%7C?hl=en) — “1★ Reckless dangerous drivers throughout the streets of Framingham. This guy blew through 3 stop signs and almost hit me”
- boiler systems _(confidence: high)_
  - [Official Website](http://www.kncmechanical.com) — “KNC Mechanical is a family-owned mechanical contractor headquartered in Braintree, MA specializing in plumbing, HVAC, and boiler systems for…”
  - [high-profile.com](https://www.high-profile.com/knc-completes-chapman-arms-project/) — “high-profile.com — KNC Mechanical, headquartered in Braintree, recently completed plumbing and HVAC renovations at Chapman Arms, a historic …”
- commercial plumbing _(confidence: medium)_
  - [Official Website](http://www.kncmechanical.com) — “KNC Mechanical is a family-owned mechanical contractor headquartered in Braintree, MA specializing in plumbing, HVAC, and boiler systems for…”
- HVAC installation _(confidence: medium)_
  - [Official Website](http://www.kncmechanical.com) — “KNC Mechanical is a family-owned mechanical contractor headquartered in Braintree, MA specializing in plumbing, HVAC, and boiler systems for…”
- Specializes in HVAC / Heating & Cooling _(confidence: medium)_
  - [Google](https://maps.google.com/?cid=14095814841954206089&g_mp=CiVnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLkdldFBsYWNlEAIYBCAA) — “Google: 2.6★ from 5 ratings”
  - [Official Website](http://www.kncmechanical.com) — “KNC Mechanical is a family-owned mechanical contractor headquartered in Braintree, MA specializing in plumbing, HVAC, and boiler systems for…”
- Specializes in Plumbing _(confidence: medium)_
  - [Official Website](http://www.kncmechanical.com) — “KNC Mechanical is a family-owned mechanical contractor headquartered in Braintree, MA specializing in plumbing, HVAC, and boiler systems for…”
  - [high-profile.com](https://www.high-profile.com/knc-completes-chapman-arms-project/) — “high-profile.com — KNC Mechanical, headquartered in Braintree, recently completed plumbing and HVAC renovations at Chapman Arms, a historic …”

## 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://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page

## Sources

- [Google](https://www.google.com/maps/search/?api=1&query=KNC%20Mechanical&query_place_id=ChIJG4QRrTh944kRiQFceupknsM): 2.6★ from 5 ratings
- [Google Reviews](https://www.google.com/maps/search/?api=1&query=KNC%20Mechanical&query_place_id=ChIJG4QRrTh944kRiQFceupknsM): Listed on this source
- [Better Business Bureau](https://www.bbb.org/us/ma/braintree/profile/electrician/knc-mechanical-0021-505605): Listed on this source
- [Official Website](http://www.kncmechanical.com): 70 yrs in business · Self-reported profile and service details
- [Exa](https://hvacservice.io/ma/braintree/knc-mechanical): 7 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.

- “KNC Mechanical, headquartered in Braintree, recently completed plumbing and HVAC renovations at Chapman Arms, a historic 50-unit apartment building located in the heart of Harvard Square in Cambridge.…” — high-profile.com (2014-04-30) — https://www.high-profile.com/knc-completes-chapman-arms-project/

## Recent reviews

- **1/5 · Google Reviews · HURRRScoince · 2023-05-08**: These workers are incredible rude, aggressive, and need to be fired for the good of the community.
- **5/5 · Google Reviews · Damien Fernandez · 2022-08-11**: The experience that you get with KNC will be a memory reminding you that when it is cold you will be warm and when it is hot you will be cool.
- **1/5 · Google Reviews · Vincent Minucci · 2021-09-21**: Reckless dangerous drivers throughout the streets of Framingham. This guy blew through 3 stop signs and almost hit me

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Data freshness: last scanned 2026-07-02T11:39:13.765Z.
Cite as: KNC Mechanical — Tavlee (https://tavlee.com/contractor/knc-mechanical-braintree)
Source: https://tavlee.com/contractor/knc-mechanical-braintree