The Cape’s Indoor Environment Experts

Heating • Cooling • Plumbing • Air Quality

High Efficiency has loyally served residential and commercial customers across Cape Cod, Martha’s Vineyard, and Nantucket since 2010. Fully licensed, trained, and insured – High Efficiency is the Cape’s front-running expert on cutting-edge HVAC and Plumbing Technologies. We offer 24 hour emergency services.

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Plumbing

Customized plumbing services including efficient maintenance and timely solutions.

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Heating

Enjoy ultimate comfort with our HVAC expertise in installations, repairs, maintenance.

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Air Quality

Enhance indoor air quality for healthier living spaces.

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Ductless HVAC

Experience unmatched ductless service and repair when you call on High Efficiency.

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From Start To Finish

Quality HVAC Service from a Reliable Team

We pride ourselves on being both a Diamond Contractor Elite and a TRANE Comfort Specialist. This means our staff is in the top tier of Comfort Specialists. Our technicians have proven a high level of technical ability, from installation to service, and provided excellent customer service. We install Trane, Mitsubishi, Ecoer, Aprilaire, and HTP brands that are linked to efficiency, reliability, and ultimate comfort.

Our Story Meet The Team

Professional • Quality
Plumbing Services

Leaky Pipes? Clogged Drain?
We’ve Got You Covered.

Pipe Repair Commercial Plumbing
Water Softeners Water Heaters

Striving For Excellence

A Commitment To Quality You Can Trust

With a winning combination of long-lasting HVAC brands and years of industry experience, High Efficiency is the business for every home or business owner. We are committed to providing our customers with the most rewarding experience, whether the job be a new installation, routine service, or an unexpected repair. We stand behind our commitment to customer satisfaction by giving you a guarantee. If there are any concerns or your new system doesn’t meet your expectations, simply give us a call and we will make it right.

Our Promise

Keep The Lights On, Even When The Power Is Out.

Helping You Stay Prepared.

Let’s Talk About Generators

Call on the Experts at High Efficiency for your HVAC Systems

We register all our equipment providing you with one year of labor and maintenance on your new installation. After this, we recommend a yearly maintenance contract with us to further protect your investment and fulfill the manufacturer’s warranty. For expert installation, repair, and service in Sandwich, Wareham, Plymouth, Rochester, MA & surrounding Cape Cod areas, look no further than High Efficiency.

AC Maintenance, Drain Services, Air Conditioner Service, Air Conditioning Installation & HVAC Service Barnstable, MA, Sagamore, MA, Mashpee, MA, Cape Cod, MA, Osterville, MA & Sandwich, MA

Name: Review
Item: High Efficiency
Rating: 5
Author: Sean H.

Heater Installation Osterville, MA | AC Repair Sagamore, MA | Sump Pumps Cape Cod, MA

Furnace Replacement ∴ Sump Pumps ∴ Water Heater Repairs ∴ Heater Installation ∴ Heating Repair ∴ Sagamore, MA ∴ Barnstable, MA ∴ Sandwich, MA

What Your Neighbors Are Saying

Customer Reviews

The Service here is Top Tier, they are highly efficient, quick, and friendly. All of the techs I have came in contact with have been professional and knowledgeable. I would...

Jamesa W.

High Efficiency was amazing!!! My pilot on my boiler went out and the next day High Efficiency was here to inspect clean and service my boiler. My old boiler will...

Brian C.

Our experience with High Efficiency was excellent! They came out the day we called them, and for necessary return visits, they were prompt and reliable. In phone calls to the...

Sandra D.

High Efficiency is our go to for all plumbing and heating needs. They are quick to respond and get the job done right the first time. I would recommend this...

Christopher C.

I recently had a very positive experience with High Efficiency. They replaced my A/C unit. Conditions were challenging (small crawl space attic). Technicians were knowledgeable, professional and ensured a proper...

Thomas D.

I can’t recommend this company enough. I chose them to install my new gas water heater and mini split system. Every part of this company is professional; from the office...

Tyler A.

I used High Efficiency for the first time for maintenance on my Furnace and Hot Water boiler. I heard some odd noises coming from the Furnace and was concerned. My...

Sean H.

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Quality HVAC Service from a Reliable Team

A Commitment To Quality You Can Trust

Call on the Experts at High Efficiency for your HVAC Systems

AC Maintenance, Drain Services, Air Conditioner Service, Air Conditioning Installation & HVAC Service Barnstable, MA, Sagamore, MA, Mashpee, MA, Cape Cod, MA, Osterville, MA & Sandwich, MA

Heater Installation Osterville, MA | AC Repair Sagamore, MA | Sump Pumps Cape Cod, MA

Furnace Replacement ∴ Sump Pumps ∴ Water Heater Repairs ∴ Heater Installation ∴ Heating Repair ∴ Sagamore, MA ∴ Barnstable, MA ∴ Sandwich, MA

Water Heater Repairs

Furnace Replacement

Sump Pumps

Heater Installation

Sheet Metal Fabrication

Heating Repair

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