# MacCo Energy

**Trade:** HVAC / Heating & Cooling · **Address:** 17 Bridge St #205, Billerica, MA 01821 · **Phone:** (978) 663-9530 · **Website:** http://www.maccormackplumbing.com/ · **Languages:** English

**Rating: 2.6/5** (low confidence) — from 5 reviews across 4 sources.
40% of sentiment-scored reviews read net-positive. Last 6 months: 0 reviews, 0 negative.

## The honest read

MacCo Energy is the service and emergency-maintenance arm of MacCormack Plumbing (also known as MacCo Mechanical), a Billerica commercial mechanical contractor the company says has been in business 40 years. The parent firm handles plumbing, HVAC, gas fitting, sheet metal and process piping across residential, commercial and industrial jobs, and formed MacCo Energy specifically to run 24/7 emergency calls and preventative-maintenance contracts once a project is complete.

On Google, MacCo Energy sits at 2.8 stars from 18 ratings, and the written reviews on hand explain why the score is mixed rather than lopsided. In 2022, one customer described a fast, clean replacement of a 20-year-old heating system before winter hit, with the crew clearing out a lot of excess ductwork left by the old system; another that same year praised a timely quote and a hot-water-system installation that arrived exactly as scheduled, with the crew explaining the process on-site. Set against that, a separate 2022 review described years of an unresolved growling noise from a system MacCo installed, which eventually needed more than $3,000 of repair work from a different company, plus four visits to diagnose and fix an unrelated uneven-heating problem in the same house. A 2021 trade-press article, separately, described MacCo Energy handling HVAC service and replacement work at Concord Academy, a nearby prep school, for several years — a longer institutional relationship than any single review captures.

One more flag worth knowing: in a 2025 review, a customer reported a MacCo driver speeding and tailgating through residential streets in Newton — a road-safety complaint, not a comment on the mechanical work itself, but worth asking about if a technician will be driving through your neighborhood.

For a straightforward system swap or a school- or business-scale service contract, these reviews back that up; for anything where a prior install needs to hold up cleanly for years, it's worth asking pointed questions about warranty follow-through before signing.

**Strengths:**
- Fast winter scheduling — 2022 reviewers praised quick appointments before cold weather
- Institutional track record — a 2021 trade article cited years of HVAC work at Concord Academy

**Concerns:**
- Installation follow-through — a 2022 review cited years of unresolved noise, costly repair
- Driver road safety — a 2025 review reported speeding and tailgating on residential streets

## Claims & citations

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

- MacCo Energy is the dedicated service and emergency-maintenance division of MacCormack Plumbing (MacCo Mechanical), a Billerica mechanical contractor the company says has been in business 40 years, handling plumbing, HVAC, gas fitting, sheet metal and process piping for residential, commercial and industrial projects _(confidence: high)_
  - [Official Website](http://www.maccormackplumbing.com) — “MacCo Mechanical (MacCormack Plumbing), based in Billerica, MA, provides plumbing, HVAC, gas fitting, sheet metal and process piping work fo…”
  - [Official Website](http://www.maccormackplumbing.com) — “Self-reported 40 years in business”
- Google shows a 2.8-star average across 18 ratings _(confidence: high)_
  - [Google](https://www.google.com/maps/search/?api=1&query=MacCo%20Energy&query_place_id=ChIJ19DF5Yah44kR875X1FKeFfg) — “Google: 2.8★ from 18 ratings”
- In 2022 reviews, customers praised fast scheduling and clean installs replacing an aging heating system and a hot water system _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUMtbDR5a3JBRRAB!2m1!1s0x0:0xf8159e52d457bef3!3m1!1s2@1:CIHM0ogKEICAgIC-l4ykrAE%7C%7C?hl=en) — “5★ I appreciate MacCo on their great service they provided this past weekend. My 20 year old heating system needed to be replaced before the…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUMtNEkzQ2lnRRAB!2m1!1s0x0:0xf8159e52d457bef3!3m1!1s2@1:CIHM0ogKEICAgIC-4I3CigE%7C%7C?hl=en) — “5★ I used MacCo to replace our hot water system this summer and could not have been more PLEASED with the experience.  I placed a call and r…”
- A 2021 trade-press article described MacCo Energy handling HVAC service and replacement work at Concord Academy, a nearby prep school, for several years _(confidence: medium)_
  - [usboiler.net](https://www.usboiler.net/macco-energy-improves-heating-costs-at-concord-academy.html) — “usboiler.net — MacCo Energy, a division of the much larger MacCormack Plumbing, in Billerica, Massachusetts, has handled HVAC service and re…”
  - [usboiler.net](https://www.usboiler.net/author/alexis) — “usboiler.net — Challenge: MacCo Energy, a division of the much larger MacCormack Plumbing, in Billerica, Massachusetts, has handled HVAC ser…”
- A 2022 review described years of an unresolved growling noise from a system MacCo installed, which eventually needed more than $3,000 of repair work from another company, plus four visits to diagnose and fix an unrelated uneven-heating problem _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNXcXNiY19RRRAB!2m1!1s0x0:0xf8159e52d457bef3!3m1!1s2@1:CIHM0ogKEICAgICWqsbc_QE%7C%7C?hl=en) — “1★ For years, they brushed off our concerns about a growling or rumbling sound coming from our heating system … Now we have to shell out ove…”
- In a 2025 review, a customer reported a MacCo driver speeding and tailgating through residential streets in Newton _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNBcHNMSmVBEAE!2m1!1s0x0:0xf8159e52d457bef3!3m1!1s2@1:CIHM0ogKEICAgMCApsLJeA%7C%7C?hl=en) — “1★ Had a Macco Services driver (License # V22 928) pass me (approx 6:05AM) on a double yellow line, left turn only portion of the road, goin…”
- Specializes in HVAC / Heating & Cooling _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUMtbDR5a3JBRRAB!2m1!1s0x0:0xf8159e52d457bef3!3m1!1s2@1:CIHM0ogKEICAgIC-l4ykrAE%7C%7C?hl=en) — “5★ I appreciate MacCo on their great service they provided this past weekend. My 20 year old heating system needed to be replaced before the…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUMtNEkzQ2lnRRAB!2m1!1s0x0:0xf8159e52d457bef3!3m1!1s2@1:CIHM0ogKEICAgIC-4I3CigE%7C%7C?hl=en) — “5★ I used MacCo to replace our hot water system this summer and could not have been more PLEASED with the experience.  I placed a call and r…”
  - [Official Website](http://www.maccormackplumbing.com) — “MacCo Mechanical (MacCormack Plumbing), based in Billerica, MA, provides plumbing, HVAC, gas fitting, sheet metal and process piping work fo…”
- Also offers Plumbing _(confidence: medium)_
  - [Official Website](http://www.maccormackplumbing.com) — “MacCo Mechanical (MacCormack Plumbing), based in Billerica, MA, provides plumbing, HVAC, gas fitting, sheet metal and process piping work fo…”

## 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=MacCo%20Energy&query_place_id=ChIJ19DF5Yah44kR875X1FKeFfg): 2.8★ from 18 ratings
- [Google Reviews](https://www.google.com/maps/search/?api=1&query=MacCo%20Energy&query_place_id=ChIJ19DF5Yah44kR875X1FKeFfg): Listed on this source
- [Exa](https://www.usboiler.net/macco-energy-improves-heating-costs-at-concord-academy.html): 2 web mentions across the open web (each linked to its source)
- [Official Website](http://www.maccormackplumbing.com): 40 yrs in business · Self-reported profile and service details

## Mentions

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

- “MacCo Energy, a division of the much larger MacCormack Plumbing, in Billerica, Massachusetts, has handled HVAC service and replacement work at the nearby Concord Academy preparatory school for several…” — usboiler.net (2021-08-19) — https://www.usboiler.net/macco-energy-improves-heating-costs-at-concord-academy.html
- “Challenge: MacCo Energy, a division of the much larger MacCormack Plumbing, in Billerica, Massachusetts, has handled HVAC service and replacement work at the nearby Concord Academy preparatory school …” — usboiler.net — https://www.usboiler.net/author/alexis

## Recent reviews

- **1/5 · Google Reviews · Willie Mann · 2025-01-31**: Had a Macco Services driver (License # V22 928) pass me (approx 6:05AM) on a double yellow line, left turn only portion of the road, going at least 60mph in a 30mph zone in Newton. Continued to tailgate other drivers heading down Parker Street into Newton Center; total disregard for safety. For this…
- **5/5 · Google Reviews · Corey Carter · 2022-11-15**: I appreciate MacCo on their great service they provided this past weekend. My 20 year old heating system needed to be replaced before the winter. The staff was able to set up an appointment quickly before the winter cold. The install was great. They were able to clean up a lot of the excess vents my…
- **5/5 · Google Reviews · Gregory Morris · 2022-10-24**: I used MacCo to replace our hot water system this summer and could not have been more PLEASED with the experience.  I placed a call and received a proposal in a timely manner with links and specifics on the type of equipment they recommended.  I moved forward with the order and received a scheduled …
- **1/5 · Google Reviews · Josh Sheinis · 2022-08-10**: Stay away from this company at all costs. Very very unprofessional and rude, don’t bother wasting your money
- **1/5 · Google Reviews · Gregory R. Barison · 2022-02-23**: For years, they brushed off our concerns about a growling or rumbling sound coming from our heating system … Now we have to shell out over 3K (to another company, of course) to fix problems with Macco’s original installation. Also, when parts of our house did not warm up, it took them four visits to…

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Data freshness: last scanned 2026-09-08T21:39:16.716Z.
Cite as: MacCo Energy — Tavlee (https://tavlee.com/contractor/macco-energy-billerica)
Source: https://tavlee.com/contractor/macco-energy-billerica