Chelmsford Ma: Plumbing, Heating, Cooling, & Electrical Services

128 Plumbing, Heating, Cooling & Electric has been serving Chelmsford homeowners for over 25 years. With a local office at 80 Brick Kiln Road, our licensed technicians are minutes away when you need us — whether it’s a no heat emergency in the middle of winter or a planned system upgrade. We offer plumbing, heating, air conditioning, electrical, drain, and HVAC services throughout Chelmsford and the surrounding Merrimack Valley.

Call us anytime at 888-CALL-128 or book online — we’re available 24/7.

Our Services in Chelmsford, MA

Heating Services in Chelmsford, MA

Chelmsford winters demand a reliable heating system. Whether your furnace fails on the coldest night of the year or you’re ready to upgrade to a more efficient system, 128 is your local heating contractor in Chelmsford. Our team services and installs all major heating systems, including gas and oil furnaces, boilers, and heat pumps.

If your system goes down unexpectedly, our technicians are available around the clock for no heat emergencies in Chelmsford. For planned work, we offer full heating repair in Chelmsford and new system installation. Our heating installation services in Chelmsford cover everything from furnace replacements to full system upgrades. We also offer furnace installation and furnace repair for Chelmsford homeowners, as well as boiler repair for homes on hot water or steam heat.

Our Chelmsford heating services include:

Heat Pumps & Mass Save Rebates in Chelmsford, MA

128 is a listed Mass Save Heat Pump Installer, which means Chelmsford homeowners can access the $8,500 whole-home heat pump rebate and 0% HEAT Loan financing available in 2026 — with our team handling the paperwork from start to finish.

Whether you’re looking for a full home heating and cooling solution or a ductless mini-split to supplement your existing system, our heat pump services in Chelmsford cover installation, replacement, and service. We also have dedicated pages on heat pump installation in Chelmsford, what to look for in a heat pump contractor, and choosing the right heat pump company in Chelmsford. For ductless systems specifically, see our ductless installation page for Chelmsford.

Learn more about Mass Save rebates and 0% financing.

Air Conditioning Services in Chelmsford, MA

When summer humidity hits, a properly sized and installed cooling system makes all the difference. Our HVAC installation team in Chelmsford installs central air conditioning, ductless mini-splits, and more. For existing systems, we offer air conditioning repair in Chelmsford with same-day availability. Our cooling services include:

Plumbing Services in Chelmsford, MA

Plumbing problems can escalate quickly without fast, professional attention. Our licensed Chelmsford plumbers provide fast diagnostics and dependable repairs to protect your home. For urgent situations, our emergency plumber in Chelmsford is available 24/7 — no extra fee just for calling after hours.

Our Chelmsford plumbing services include:

Electrical Services in Chelmsford, MA

Our licensed electricians serve Chelmsford homes with a full range of residential electrical work. From urgent repairs to planned upgrades, our emergency electrician in Chelmsford is available around the clock. For homeowners looking to modernize their home’s electrical system, our team handles electrical panel upgrades in Chelmsford as well as EV charger installations and more. Our electrical services include:

Drain & Sewer Services in Chelmsford, MA

Clogged drains and sewer issues can cause serious damage if left unaddressed. 128 offers professional drain and sewer services to Chelmsford homeowners, including:

Mass Save Rebates & Financing for Chelmsford Homeowners

Chelmsford homeowners served by National Grid or Eversource are eligible for Mass Save rebates and the 0% HEAT Loan program. In 2026, homeowners can receive up to $8,500 toward a qualifying whole-home heat pump installation in Chelmsford, with 0% interest financing available on any remaining project balance.

128 has a dedicated in-house financing coordinator who handles the Mass Save paperwork, loan authorization, and lender connection from start to finish. Learn more about Mass Save rebates and 0% financing. You can also read our guide to Mass Save changes homeowners should know in 2026.

Why Chelmsford Homeowners Choose 128

Local office at 80 Brick Kiln Road, Chelmsford — faster response times across town and the surrounding Merrimack Valley
25+ years serving Massachusetts homeowners — our technicians know the homes, the neighborhoods, and the common issues in this region
24/7 availability — no after-hours fees just for calling; we’re always ready for a no heat emergency or plumbing emergency
Licensed and insured — in plumbing, heating, cooling, and electrical
Mass Save certified installer — we help you get every dollar of rebate and financing you qualify for
Membership plans available — keep your systems maintained and get priority service year-round

Serving Chelmsford and the Merrimack Valley

Our Chelmsford office at 80 Brick Kiln Road, Chelmsford, MA 01824 serves homeowners throughout town and the surrounding communities, including Westford, Billerica, Lowell, Tyngsborough, and Tewksbury. We also serve homeowners throughout Greater Boston and the North Shore.

Schedule Service in Chelmsford Today

Whether you need emergency plumbing, a heating system tune-up, or you’re ready to explore a heat pump upgrade with Mass Save incentives, 128 is ready to help.

Call 888-CALL-128 or book online — available 24/7.

Choose 128 Plumbing, Heating, Cooling, & Electric for Your Chelmsford Heating Services

Serving as the cornerstone of home services in Chelmsford, MA, 128 Plumbing, Heating, Cooling, and Electric is at your beck and call. Initiate your service journey with us by reaching out or book online today!

Chelmsford pond at twilight. Blue sky with white and pink clouds.