# LeBlanc Mechanical

**Trade:** HVAC / Heating & Cooling · **Phone:** (781) 899-3984 · **Website:** http://www.leblancmechanical.net/ · **Languages:** English

**Rating: 2.5/5** (low confidence) — from 2 reviews across 5 sources.

## The honest read

LeBlanc Mechanical is a Waltham HVAC company with a Massachusetts HVAC license shown as active and a long local history: Patch describes the owner as having operated the business for more than 30 years, while Wicked Local reported nearly 20 years in business in 2016. The company handles residential and commercial heating and air-conditioning repair, maintenance, replacement, and installation.

The written customer history is small and dated. In a January 2021 BuildZoom review, a homeowner said a mid-winter furnace problem was repaired that day and praised the response; a September 2023 Google reviewer described an appointment delayed more than a month, missed callbacks, and a rescheduled visit. Google lists 2.3 stars from three ratings, while BuildZoom shows one five-star rating, so the public scores do not line up.

Ask about scheduling and callback expectations before booking, especially for non-emergency service. LeBlanc is a plausible fit for Waltham-area HVAC repair or replacement; confirm the appointment window, equipment scope, and current license details when requesting a quote.

**Strengths:**
- Active license — Massachusetts registry lists HVAC license 894-SM-B active
- Same-day repair — one 2021 reviewer described a furnace repair that day
- Long local history — owner described more than 30 years operating the company

**Concerns:**
- Scheduling delays — one 2023 review described a month-plus wait and missed callbacks
- Mixed ratings — Google and BuildZoom publish different star averages

**Where sources disagree:**
- Google lists 2.3 stars from three ratings, while BuildZoom lists 5.0 stars from one rating.

## Claims & citations

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

- Provides residential and commercial heating and air-conditioning repair, maintenance, replacement, and installation from Waltham. _(confidence: high)_
  - [Official Website](http://www.leblancmechanical.net) — “LeBlanc Mechanical provides residential and commercial heating and air conditioning repair, maintenance, replacement, and installation from …”
- The Massachusetts HVAC license 894-SM-B is registry-verified active for LeBlanc Mechanical. _(confidence: high)_
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA hvac license 894-SM-B registry-verified active — registry holder of record: LeBlanc Mechanical”
- Patch describes the owner as having owned and operated the local heating and air-conditioning company for over 30 years. _(confidence: high)_
  - [patch.com](https://patch.com/massachusetts/waltham/work-ethic-tough-match-randy-leblanc) — “patch.com — I grew up in the construction field and for over 30 years have owned and operated Leblanc Mechanical, a local heating and air-co…”
- A January 2021 BuildZoom reviewer said a mid-winter furnace was repaired that day and praised customer service and response time. _(confidence: high)_
  - [BuildZoom](https://www.buildzoom.com/contractor/leblanc-mechanical) — “5★ When my heater stopped working mid-winter I called Leblanc Mechanical, and they were able to repair my furnace that day! This company has…”
- A September 2023 Google reviewer described a month-plus wait, missed callbacks, and a rescheduled appointment. _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNaOHZ1eVlBEAE!2m1!1s0x0:0x69ab0eafef0685f1!3m1!1s2@1:CIHM0ogKEICAgICZ8vuyYA%7C%7C?hl=en) — “1★ I make appointment for my AC service and check why is not cooling they gave me appointment after more than a month , they said they will …”
- Google lists 2.3 stars from three ratings, while BuildZoom lists 5.0 stars from one rating. _(confidence: high)_
  - [Google](https://www.google.com/maps/search/?api=1&query=LeBlanc%20Mechanical&query_place_id=ChIJ6V-m-MyC44kR8YUG768Oq2k) — “Google: 2.3★ from 3 ratings”
  - [BuildZoom](https://www.buildzoom.com/contractor/leblanc-mechanical) — “BuildZoom: 5.0★ from 1 ratings”
- Specializes in HVAC / Heating & Cooling _(confidence: high)_
  - [Official Website](http://www.leblancmechanical.net) — “LeBlanc Mechanical provides residential and commercial heating and air conditioning repair, maintenance, replacement, and installation from …”

## License

Status: **active** (#894-SM-B, hvac) — verified against the official MA state registry on 2026-09-09, 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=LeBlanc%20Mechanical&query_place_id=ChIJ6V-m-MyC44kR8YUG768Oq2k): 2.3★ from 3 ratings
- [Google Reviews](https://www.google.com/maps/search/?api=1&query=LeBlanc%20Mechanical&query_place_id=ChIJ6V-m-MyC44kR8YUG768Oq2k): Listed on this source
- [Official Website](http://www.leblancmechanical.net): Self-reported profile and service details
- [Exa](https://www.wickedlocal.com/story/waltham-news-tribune/2016/02/24/waltham-hero-recipients-announced/32481155007/): 5 web mentions across the open web (each linked to its source)
- [BuildZoom](https://www.buildzoom.com/contractor/leblanc-mechanical): 5.0★ from 1 ratings

## Mentions

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

- “Owner and operator of Leblanc mechanical, heating and air-conditioning for 30 years.” — patch.com (2023-11-09) — https://patch.com/massachusetts/waltham/meet-waltham-council-candidate-randy-leblanc
- “I grew up in the construction field and for over 30 years have owned and operated Leblanc Mechanical, a local heating and air-conditioning company.” — patch.com (2023-11-09) — https://patch.com/massachusetts/waltham/work-ethic-tough-match-randy-leblanc
- “Leblanc has his post secondary certificate degree and has worked for Leblanc Mechanical HVAC for a quarter century.” — patch.com (2019-11-09) — https://patch.com/massachusetts/waltham/waltham-patch-candidate-profile-randy-leblanc-large
- “My family has used LeBlanc over the years and have found them to always be reliable and very good. Recently they proved themselves to be even better.” — leblancmechanical.com (2019-01-04) — https://leblancmechanical.com/testimonials/
- “LeBlanc is the owner of LeBlanc Mechanical, which has been in business in Waltham for nearly 20 years, and specializes in the service and installation of all HVAC needs.” — wickedlocal.com (2016-02-24) — https://www.wickedlocal.com/story/waltham-news-tribune/2016/02/24/waltham-hero-recipients-announced/32481155007/

## Recent reviews

- **1/5 · Google Reviews · Sangeeta Ghai Jaggi · 2023-09-07**: I make appointment for my AC service and check why is not cooling they gave me appointment after more than a month , they said they will call me a day before to remind . They didn’t call me . Then I called to ask I have appointment tomorrow, receptionist ask me every thing she can’t find my appointm…
- **5/5 · BuildZoom · Greer M. · 2021-01-25**: When my heater stopped working mid-winter I called Leblanc Mechanical, and they were able to repair my furnace that day! This company has excellent customer service and quick response time.

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Data freshness: last scanned 2026-09-09T21:16:07.856Z.
Cite as: LeBlanc Mechanical — Tavlee (https://tavlee.com/contractor/leblanc-mechanical)
Source: https://tavlee.com/contractor/leblanc-mechanical