Thermostat and Smart Controls in Massachusetts
Get clear, expert help setting up thermostats and smart controls for your home. Our in-house HVAC team installs, configures, and shows you how to use your new smart thermostat for comfort and savings. Cost and options are tailored to your system and home. We serve Massachusetts, including Boston, Cambridge, and Worcester. Backed by a 4.7 rating from 601 reviews. Ready to upgrade before the next heating and cooling season swings? Contact us for a quick, friendly estimate.
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View all offersno-cost item upgrades such as programmable thermostats
Why Choose Us
In-house technicians
Family-owned teams handle design, install, and service. No subcontractors.
Mass Save Certified
Mass Save Home Performance Contractor since 2015.
Pro dealer status
Mitsubishi Diamond Elite and LG Platinum credentials.
Extended protection
Up to 12-year equipment and 10-year labor coverage on eligible systems.
Proven local trust
4.7 rating from 601 reviews and Nextdoor 2025 Neighborhood Fave.
What Our Customers Say
professionalism
“Gavin arrived on time, fixed our HVAC, and verified our smart thermostat settings.”
quality
“They explained every step and set up our thermostat. Smooth and stress-free.”
expertise
“Professional troubleshooting and clear smart thermostat configuration. Everything worked as expected.”
Most smart thermostats fail to connect because of weak Wi‑Fi, incorrect network credentials, unsupported Wi‑Fi band, router settings, or pending updates. Endless Energy installs, sets up, calibrates, and troubleshoots smart thermostats, including zoning and mini‑split controls.
Quick checks:
- Power-cycle the thermostat and router.
- Confirm the Wi‑Fi name and password.
- Use a supported Wi‑Fi band and pause VPNs during setup.
- Move closer to the router or add a nearby access point.
- Update the thermostat app/firmware after connecting.
- Reset network settings on the thermostat, then reconnect.
Updated: 2025-12-22
Need help in Weston, MA? Call (508) 501-9990 or book online.
"Gavin arrived on time and did an excellent job in fixing our HVAC system... and verified with our smart thermostat that everything was configured properly and working as expected." — Nagraj S.
Professional thermostat rewiring cost depends on wire access and the fault. Many thermostat repairs or replacements range from $100–$600, and simple rewiring often falls within that when no new cable runs or drywall work are required. Complex zoning, mini-split controls, or control board issues can increase cost. A technician will diagnose and confirm pricing on site. If a thermostat needs replacement, eligible Mass Save assessments may provide a no-cost programmable or smart thermostat.
Updated: 2025-12-22
Need help in Weston, Millbury, Bolton, Hudson, Maynard, Milford, Newton, Needham, and other nearby towns in MA? Call (508) 501-9990 or book online.
"They explained every step of the process clearly, right down to setting up our thermostat and showing us how to change the filter." — Carolyn R.
Professional thermostat replacement typically costs $100–$600 before incentives. Final price depends on thermostat type (programmable vs. smart), integration with HVAC or zoning, wiring needs, and setup/calibration. You may qualify for an instant rebate of over $100 when installed by our Home Energy Auditor, and some eligible Mass Save Home Energy Assessments provide no-cost programmable or smart thermostats. Service available in Weston, MA and nearby cities. A technician will confirm costs on site.
Updated: 2025-12-22
Need help in Weston, MA? Call (508) 501-9990 or book online.
"They explained every step of the process clearly, right down to setting up our thermostat and showing us how to change the filter." — Carolyn R.
You can replace a basic like-for-like thermostat yourself, but professional installation is recommended for smart thermostats, heat pumps, mini-splits, or zoning. Our in-house technicians handle setup and thermostat calibration, and we integrate controls with your HVAC. To access Mass Save offers, some instant rebates over $100 and no-cost thermostats require installation by our Home Energy Auditor, subject to eligibility.
Quick checks:
- Shut off HVAC power.
- Confirm system type and label wires.
- Photograph existing connections.
- Verify smart thermostat compatibility before purchase.
Updated: 2025-12-22
Need help in Weston, MA? Call (508) 501-9990 or book online.
"After completion the team verified that everything was working perfectly and explained how the heat pump and furnace operated and how to control everything using the smart thermostats." — Wes M.
Yes, you can handle simple thermostat fixes yourself, like replacing batteries or correcting schedules. Hire a professional for wiring issues, control board faults, or smart zoning integration with heat pumps or mini-splits. Endless Energy diagnoses and repairs thermostat issues, and typical repair or replacement runs about $100–$600. Eligible Mass Save assessments may provide a no-cost smart or programmable thermostat, and some installs qualify for instant rebates over $100 when done by a Home Energy Auditor.
Quick checks:
- Replace batteries.
- Verify mode and setpoint.
- Check Wi‑Fi or HVAC power.
Updated: 2025-12-22
Need help in Weston, MA? Call (508) 501-9990 or book online.
"He was very professional in troubleshooting and fixing the issue, and verified with our smart thermostat that everything was configured properly and working as expected." — Nagraj S.
Still have questions?
Have questions or need service? Contact our team today to discuss your needs, request a quote, or schedule an appointment.
Chestnut Hill
MA
Newton Highlands
MA
Auburn
MA
Hyde Park
MA
Sterling
MA
Newton Lower Falls
MA
Wakefield
MA
Westford
MA
Douglas
MA
East Walpole
MA
Boxborough
MA
Roslindale
MA
West Boylston
MA
Fayville
MA
Boylston
MA
South Lancaster
MA
Milford
MA
Canton
MA
Wellesley Hills
MA
Grafton
MA
Lexington
MA
Hopkinton
MA
Jamaica Plain
MA
Dedham
MA
Wrentham
MA
Medfield
MA
Hudson
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Waltham
MA
Millis
MA
Princeton
MA
Somerville
MA
Weston
MA
Berlin
MA
Needham
MA
Wellesley
MA
Chelmsford
MA
North Billerica
MA
Carlisle
MA
Needham Heights
MA
East Brookfield
MA
Boston
MA
Webster
MA
Jefferson
MA
Sudbury
MA
Millbury
MA
Hubbardston
MA
Ashland
MA
Shrewsbury
MA
Framingham
MA
Springfield
MA
Mendon
MA
Norwood
MA
Sherborn
MA
Reading
MA
Northborough
MA
Linwood
MA
Westminster
MA
Groton
MA
Melrose
MA
Millville
MA
North Smithfield
RI
Devens
MA
Southborough
MA
Waban
MA
Auburndale
MA
Maynard
MA
Lowell
MA
Medway
MA
Harrisville
RI
Natick
MA
North Grafton
MA
Hopedale
MA
Marlborough
MA
West Newton
MA
Harvard
MA
Plymouth
MA
Northbridge
MA
Braintree
MA
Holliston
MA
Oxford
MA
Charlton
MA
Lancaster
MA
Paxton
MA
Rochdale
MA
Sharon
MA
Newton
MA
Upton
MA
Babson Park
MA
Sutton
MA
Wayland
MA
Bolton
MA
Fitchburg
MA
North Chelmsford
MA
Acton
MA
Oakham
MA
Walpole
MA
Townsend
MA
Newton Center
MA
Rutland
MA
Concord
MA
Allston
MA
Blackstone
MA
Lincoln
MA
South Grafton
MA
Hanscom Afb
MA
Billerica
MA
Leominster
MA
Watertown
MA
Ayer
MA
Bellingham
MA
Cherry Valley
MA
Dover
MA
Pepperell
MA
Brighton
MA
North Reading
MA
South Walpole
MA
Lunenburg
MA
Littleton
MA
Westborough
MA
Shirley
MA
Burlington
MA
Worcester
MA
Bedford
MA
Cambridge
MA
Milton
MA
Belmont
MA
Arlington
MA
Newton Upper Falls
MA
Uxbridge
MA
Westwood
MA
West Roxbury
MA
North Oxford
MA
Newtonville
MA
Spencer
MA
Stow
MA
Winchester
MA
Clinton
MA
Leicester
MA
Quincy
MA
Whitinsville
MA
Woburn
MA
Holden
MA
Norfolk
MA
Brookline
MA
Franklin
MA
