# R.H. Northrop Corporation

**Trade:** HVAC / Heating & Cooling · **Address:** 94 Main St, North Reading, MA 01864 · **Phone:** (978) 664-0030 · **Website:** http://www.rhnorthrop.com/ · **Languages:** English

**Rating: not yet scored** — 0 reviews across 5 sources is too little evidence for an honest number.

## The honest read

R.H. Northrop Corporation is an HVAC business in North Reading that says on its website it has been in business for 49 years and offers 24/7 emergency service.

Its Massachusetts HVAC license, 523-SM-B, is active on the state registry.

Its website quotes a testimonial saying R.H. Northrop has been an HVAC service provider to The Chateau Restaurants and Jake n Joes Sports Bar & Grille for the past 25 years.

**Strengths:**
- Active HVAC license — 523-SM-B is active on the state registry

## Claims & citations

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

- Self-reported 49 years in business _(confidence: medium)_
  - [Official Website](http://www.rhnorthrop.com) — “Self-reported 49 years in business”
- Massachusetts HVAC license 523-SM-B, active on the state registry _(confidence: high)_
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA hvac license 523-SM-B registry-verified active — registry holder of record: R H Northrop Corp”
- Offers 24/7 emergency service, per its website _(confidence: medium)_
  - [Official Website](http://www.rhnorthrop.com) — “Stated offer (self-reported): 24/7 emergency service”
- Website testimonial names it as an HVAC service provider to The Chateau Restaurants and Jake n Joes Sports Bar & Grille for 25 years _(confidence: medium)_
  - [Official Website](http://www.rhnorthrop.com) — “About (self-reported, verbatim): “R.H. Northrop has been an invaluable HVAC service provider to The Chateau Restaurants and Jake n Joes Spor…”
- Specializes in HVAC / Heating & Cooling _(confidence: high)_
  - [Official Website](http://www.rhnorthrop.com) — “About (self-reported, verbatim): “R.H. Northrop has been an invaluable HVAC service provider to The Chateau Restaurants and Jake n Joes Spor…”
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA hvac license 523-SM-B registry-verified active — registry holder of record: R H Northrop Corp”

## License

Status: **active** (#523-SM-B, hvac) — verified against the official MA state registry on 2026-09-24, never self-reported.
Re-check at the official registry: https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page

## Sources

- [Exa](https://network.procore.com/p/rh-northrop-corp-north-reading): 0 web mentions across the open web (each linked to its source)
- [Google](https://www.google.com/maps/search/?api=1&query=R.H.%20Northrop%20Corporation&query_place_id=ChIJL36oCu4L44kRRvFb3JVQzzk): Listed on this source
- [Official Website](http://www.rhnorthrop.com): 49 yrs in business · Self-reported profile and service details
- [Better Business Bureau](https://www.bbb.org/us/ma/north-reading/profile/plumber/r-h-northrop-corp-0021-411864): Listed on this source
- [BuildZoom](https://www.buildzoom.com/contractor/rh-northrop-corp): Listed on this source

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Data freshness: last scanned 2026-09-25T02:05:58.219Z.
Cite as: R.H. Northrop Corporation — Tavlee (https://tavlee.com/contractor/r-h-northrop-corporation-north-reading)
Source: https://tavlee.com/contractor/r-h-northrop-corporation-north-reading