HVAC Repair & Installation in New Bedford, MA
From the Far North End to Clark's Point, Armus Mechanical repairs and replaces furnaces, boilers, central air, heat pumps and mini splits in New Bedford's triple-deckers, capes and newer homes. Same-day repair from a licensed, insured technician based in Lakeville.
- Same-day repair
- Free estimates on new systems
- Financing through Wisetack
- Warranty on our labor
Hi! What's going on at your New Bedford home today?
At a glance
- Service area
- All of New Bedford, MA
- Based in
- Lakeville, MA. We come to your home or business.
- Phone
- 508-521-9477, answered 24/7
- Specialties
- Commercial refrigeration, central AC, boilers and oil heat, mini splits and heat pumps, no-heat repairs
- Pricing
- Paid diagnostic on repairs; free written estimate on replacements
Based in Lakeville, we cover all of New Bedford. The phone is answered 24/7: 508-521-9477.
What do you need today?
RepairFurnace, boiler, AC or heat pump not working? We find the fault and quote a flat price before any work starts.HVAC repair →
MaintenanceSeasonal tune-ups and our maintenance and service plans keep systems efficient and catch small problems before the first freeze.Maintenance plans →
ReplacementNew high-efficiency furnaces, boilers, central air and heat pumps, sized for your house, with free estimates and Wisetack financing.New system quote →
EmergencyNo heat or no AC? Call 508-521-9477. Emergency calls go to the front of the line.Emergency heating & AC · 508-521-9477 →Recent work in New Bedford
In April 2025, we removed an old boiler and installed its replacement in New Bedford. In May 2025, we installed a three-ton zoned AC system. More recently, in September 2026, we replaced a failing hot-water coil and mixing valve. These jobs include heating replacement, zoned cooling installation and hot-water repair. To discuss a problem with your heating, AC or hot water, call 508-521-9477.
Between April 2025 and October 2026 we completed 74 jobs in New Bedford, and 41 of them began as a service call for no heat or no cooling or as a diagnostic visit.
Read about an oil boiler replacement at a New Bedford church →
Updated October 2026
Heating & Cooling Services in New Bedford
New Bedford housing runs from 1900s triple-deckers with steam or hot-water boilers to post-war capes with forced air and new construction with heat pumps. We service all of it, with flat-price quotes and a warranty on our labor. That covers HVAC repair, heating and furnace repair, oil-to-gas conversions, heat pumps with Mass Save rebates, maintenance plans and commercial HVAC.
FurnacesGas and oil furnaces repaired the same day, or replaced with a properly sized high-efficiency system.Furnaces →
Boilers & Radiant HeatSteam and hot-water boilers are common in New Bedford multi-families. We repair, flush, balance and replace them, and install radiant floor heat.Boilers & Radiant Heat →
Mini SplitsWall-mounted, ceiling-cassette and slim-duct heads heat and cool a room or a whole floor without tearing open walls for ductwork.Mini Splits →
Central ACCentral AC service, refrigerant leaks, compressors and full replacement, plus zoning so the third floor stops running ten degrees warmer than the first.Central AC →
Heat PumpsCold-climate heat pumps sized for the house, with financing through Wisetack. Mass Save Heat Pump Installer Network participating contractor. Rebates and the 0% HEAT Loan available.Heat Pumps →
Water HeatersTank, tankless and heat-pump water heaters installed and repaired.Water Heaters →
Oil TanksAging 275-gallon oil tanks replaced, or removed when the house converts to gas.Oil Tanks →New Bedford Neighborhoods We Serve
We work in every part of the city, from the dense streets off Acushnet Avenue to the single-family blocks near Buttonwood Park and the waterfront homes along Clark’s Point.
- Far North End
- North End
- Mount Pleasant
- Buttonwood Park
- West End
- Downtown
- South Central
- South End
- Clark's Point
Next door we also serve Dartmouth and Westport to the west, Fairhaven and Mattapoisett across the Acushnet River, Acushnet and Freetown to the north, and Lakeville, where our office is.
New BedfordFall RiverDartmouthFairhavenAcushnetWestportMattapoisettRochesterFreetownWarehamTauntonMiddleboroughSomersetSwansea What are New Bedford homes like for heating and cooling?
New Bedford’s textile-era triple-deckers and multi-families often run one boiler for the whole building, so zoning and per-floor mini splits are common requests. Houses from the 1900s with steam or hot-water radiators mean boiler repair and replacement work. Outdoor condensers in the South End and along the harbor sit in salt air, so we rinse coils and check fins and electrical contacts at tune-ups. In flood-prone basements near the water, we plan equipment placement and condensate handling with that in mind. Natural gas reaches much of the city but not every street, and that decides between an oil-to-gas conversion, a new oil boiler or a heat pump.
Which utility and rebate program applies in New Bedford?
Eversource is the electric utility in New Bedford, and it supplies natural gas on the streets where a gas main runs. Mass Save is the rebate and financing program for Eversource customers, and eligible homes can get the 0% HEAT Loan and heat pump rebates. Amounts and eligibility change, so we go over the current program with you at the estimate.
Commercial refrigeration in New Bedford
New Bedford restaurants, markets and fish houses call us about reach-in freezers, prep coolers, walk-ins and ice machines. Recent jobs include a reach-in freezer that was not holding temperature (October 2026) and walk-in cooler and freezer door repair (September 2025). See commercial refrigeration repair for equipment, coverage and what to tell us when you call.
Family owned and operated out of Lakeville, licensed and insured in Massachusetts.
We fix, maintain and install heating, cooling and water-heating systems. We do not sell equipment on its own or repair household appliances.
Available for new systems through Wisetack via Housecall Pro, subject to credit approval. Estimates on new systems are free.
Seasonal plans keep your system running and catch small problems before the first freeze. Ask about yearly maintenance options.
Every repair and installation carries a warranty on our labor on top of the manufacturer's equipment warranty, written on your quote.
Mass Save Heat Pump Installer Network participating contractor.
Rebates and the 0% HEAT Loan available.
New Bedford HVAC Questions, Answered
Can you come out today if my heat is out in New Bedford?
Yes. No-heat calls go to the front of the line, and repair calls get a same-day visit. You get a real arrival window, not a guess.
Do mini splits work well in New England winters?
Yes. Cold-climate models from Fujitsu, Mitsubishi Electric and Daikin are rated to heat well below zero. We size them for the room and the insulation so they keep up in January, not just in May.
Are gas utilities available for an oil-to-gas conversion in New Bedford?
It depends on the street. Before we quote an oil-to-gas conversion we confirm with the gas utility whether a service line can reach your house, then include the gas piping, permits and old-tank removal in one price.
Why are some rooms warmer than others in my house?
In older New Bedford homes it is usually undersized ductwork, one thermostat controlling three floors, or radiators that need balancing. Zoning, a mini split head in the problem room or a balancing visit fixes most cases, and we tell you which one before you spend money.
What heat pump rebates can I get in New Bedford?
Mass Save Heat Pump Installer Network participating contractor. Rebates and the 0% HEAT Loan available. We confirm your eligibility and file the paperwork before the install.
How can I tell if my boiler needs to be flushed?
Banging or gurgling pipes, radiators that stay cold at the top and rusty water at the drain valve are the usual signs. A flush and bleed is part of our boiler tune-up, and we check the expansion tank and relief valve at the same time.
Do you replace oil tanks and install heat-pump water heaters in New Bedford?
Yes. Many New Bedford homes still heat with oil, and we replace aging 275-gallon tanks or remove them during an oil-to-gas conversion. We also install tank, tankless and heat-pump water heaters, which cut hot-water costs sharply.
My oil boiler or furnace stopped and the house is cold. What should I check first?
Check that the thermostat is set to heat, that the power switch near the unit is on, and that there is oil in the tank or the gas is on. If it still won’t start, call 508-521-9477. Repairs start with a paid diagnostic visit, and same-day service is booked by phone.
How does booking work, and what does a visit cost?
Call any time at 508-521-9477; the phone is answered 24/7. Tap Book ASAP, tell us what is happening, and the office confirms your visit by text. Repairs start with a paid diagnostic visit, and replacements get a free installation estimate.
Can you add radiant floor heat to an older New Bedford home?
Usually, yes. Radiant floor heat works well in bathrooms, kitchens, basements and additions, and it can run off the boiler you already have. We size the loops and the controls so the rest of the house keeps its heat.
Do you repair restaurant and fish-house refrigeration in New Bedford?
Yes. We service walk-in coolers and freezers, reach-ins, prep coolers, display cases and ice machines. Tell us the equipment type, the box temperature and the business name when you call 508-521-9477; the phone is answered 24/7. Commercial refrigeration repair lists coverage and what to have ready.
Helpful guides for New Bedford homes
Brands we install in New Bedford
- Lochinvar
- Triangle Tube
- Energy Kinetics
- Oxbox
- Aprilaire
Furnace, Boiler & AC Service in New Bedford
Same-day repair. Call 508-521-9477, or tap Book ASAP and the office confirms your visit by text.