Heating. Cooling.
Plumbing. Electrical.

One call handles it all.

Family-owned since 1970 with a large team of licensed technicians providing 24/7 emergency service across MA & RI.

Heating & Cooling

Plumbing & Water

Electrical & Power

Refrigeration

Homeowners

Installations, repairs, and 24/7 emergency service for your home.

Residential Services ->

Business & Property Managers

Maintenance contracts, building automation, and reliable commercial service.

Commercial Services ->

General Contractors

Licensed mechanical and electrical subcontracting.

Work With Us ->

Why Triangle?

Other contractors make you call four different companies. Triangle handles your heating, cooling, plumbing, and electrical under one roof. One call, one team, one company that’s been here since 1970.

Years in business

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Technicians

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Trades, One Call

Emergency Response

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Our Services

❄️

Heating & Cooling

Furnaces, boilers, AC systems, heat pumps, and ductless mini splits. Installation, maintenance, and emergency repair.

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Plumbing & Water

Water heaters, tankless systems, water treatment, gas lines, and drain service for homes and businesses.

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Electrical & Power

Panel upgrades, wiring, rewiring, outdoor lighting, and whole-house generator installation.

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Refrigeration

Commercial walk-ins, reach-ins, ice machines, and industrial refrigeration systems.

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Air Quality & Ventilation

Breathe easier. UV purifiers, HEPA filtration, ERV systems, and custom ductwork for homes and businesses.

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24/7 Emergency Service

No heat? No AC? Power out? Pipe burst? Call now, we respond day and night, 365 days a year.

What Our Customers Say

⭐⭐⭐⭐⭐They diagnosed a heating problem we had for over 20 years that no one else could figure out — including one of the guys from This Old House. They didn't give up until they solved it. The owner Tom is wonderful and Neil is a real gem!

⭐⭐⭐⭐⭐Donna is always so polite and accommodating. The technicians are knowledgeable and professional. We've used Triangle for years and wouldn't call anyone else.

⭐⭐⭐⭐⭐ AJ, Chad, and Tony did an amazing job on our church's HVAC system. Professional, clean, and on time. Triangle treats every job like it matters.

⭐⭐⭐⭐⭐ Called on a Sunday night with no heat. They had someone at our house within an hour. Fixed it on the spot. Can't ask for more than that.

⭐⭐⭐⭐⭐ We use Triangle for all our rental properties. One call for heating, plumbing, electrical — they handle everything. Makes my life so much easier.

Serving Southeastern Massachusetts & Rhode Island

From our Fall River headquarters, our licensed technicians serve homeowners and businesses across Bristol County, Plymouth County, and Rhode Island.

Massachusetts: Fall River, New Bedford, Taunton, Attleboro, Plymouth, Boston, Brockton, Swansea, Somerset, Dartmouth, Seekonk, Rehoboth, Westport, and surrounding communities.

Rhode Island: Providence, Barrington, Warren, Bristol, Cranston, Portsmouth, Middletown, Tiverton, Newport, and surrounding communities.

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Brands We Install & Service

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Frequently Asked Questions

Do I need separate contractors for HVAC, plumbing, and electrical work?

Not if you call Triangle. We handle heating, cooling, plumbing, electrical, refrigeration, and generators all under one roof with a large team of licensed technicians. One call, one company, one invoice. No need to coordinate multiple contractors.

Does Triangle offer 24/7 emergency service?

Yes. Our technicians are on call 24 hours a day, 7 days a week, 365 days a year. Call (508) 501-7424 for immediate emergency service — heating, cooling, plumbing, or electrical.

What areas does Triangle serve?

We serve homes and businesses across southeastern Massachusetts and Rhode Island, including Fall River, Swansea, Somerset, Dartmouth, New Bedford, Taunton, Seekonk, and surrounding communities. Residential service within 25 miles of Fall River. Commercial service within 50 miles.

Join the Triangle Team

We’re growing and hiring licensed HVAC, plumbing, and electrical technicians. Family-owned since 1970. Competitive pay, benefits, and a team that treats you like family.

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Ready to Get Started?

Whether you need an emergency repair, a new installation, or a second opinion, Triangle is here to help. One call handles it all.

Heating. Cooling. Plumbing. Electrical.