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.
Services We Provide
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 Mission
We are committed to:
- Delivering exceptional service and craftsmanship.
- Offering innovative and energy-efficient solutions.
- Providing 24-hour emergency services for peace of mind.
- Participating in programs like Mass Save to help our customers save energy and reduce costs.
PROFESSIONAL • QUALITY PLUMBING SERVICES
LEAKY PIPES? CLOGGED DRAIN?
WE’VE GOT YOU COVERED.
STRIVING FOR EXCELLENCE
A COMMITMENT TO QUALITY YOU CAN TRUST
KEEP THE LIGHTS ON, EVEN WHEN THE POWER IS OUT.
HELPING YOU STAY PREPARED.
WHAT YOUR NEIGHBORS ARE SAYING
CUSTOMER REVIEWS
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.
Brian C.
Tyler A.
Jamesa W.
Christopher C.
Sandra D.
Sean H.
Benefits of High-Efficiency Furnaces | Furnace Repair and Savings
Signs Your Furnace Needs Repair: Don’t Ignore These Red Flags
Advantages of Heat Pumps for Year-Round Comfort
Water Heaters for Cape Cod: Energy Efficiency and Comfort
Heat Pump Systems in Cape Cod: Efficiency, Savings & Comfort
Energy-Efficient AC Units: Maximize Comfort and Savings in Cape Cod
Understanding Air Conditioning Systems: Expert Guide
Expert Tips for Furnace Installation & Repairs by High Efficiency LLC
No Hot Water
Heating and Cooling
Heat Pump Repairs
When is it time to replace your HVAC system?
Should I invest in a Ductless Mini-Splits?
Signs Your House Has a Plumbing Issue
Why Is My Air Conditioning Leaking Water?
Signs of a Quality Professional Plumber
The Importance of Changing Your Furnace Filter
How Heavy Rain Can Increase Pressure on Pipes
SERVING CAPE COD, THE SOUTH SHORE AND THE SOUTH COAST
COMMUNITIES WE SERVE
We are proud to serve the following communities with expert HVAC service:
- Halifax
- Hanover
- Hanson
- Harwich
- Hingham
- Hyannis
- Kingston
- Marion
- Marshfield
- Martha Vineyard / Duke’s
- County
- Mashpee
- Mattapoisett
- New Bedford
- Norton
- Norwell
- Orleans
- Pembroke
- Menemsha
- Arlington
- Barnstable
- Bourne
- Brewster
- Bridgewater
- Brockton
- Chatham
- Dartmouth
- Dennis
- Duxbury
- East Bridgewater
- Eastham
- Easton
- Fairhaven
- Fall River
- Falmouth
- Freetown
- Edgartown
- Oak Bluffs
- Plymouth
- Plympton
- Provincetown
- Quincy
- Rochester
- Rockland
- Sandwich
- Scituate
- Somerset
- Swansea
- Truro
- Wareham
- Wellfleet
- Westport
- Weymouth
- Whitman
- Yarmouth
- Nantucket
- Siasconset