Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
HVAC Company in Somerville, MA
Most HVAC jobs in Somerville aren’t straightforward replacements. They’re repairs and retrofits inside triple-deckers built between 1885 and 1930 with cast-iron radiators, steam or hot-water boilers, and no ductwork to speak of. We handle boiler and steam system work for heat, plus ductless mini-split installation and repair for cooling, across the city’s dense neighborhoods. Call us at (984) 538-9003 and a live person will pick up, day or night.
Why Somerville Homes Are Different
Somerville holds one of the highest concentrations of Victorian-era triple-deckers in the country. These three-family wood-frame buildings were designed around one-pipe or two-pipe steam heat, with no duct chases built in. That single fact changes nearly every service call we run here.
One-pipe steam systems chronically overheat the first floor while starving the third. Correcting main vent sizing, adjusting boiler pressure to 1.5 – 2 psi, and re-pitching supply mains that have sagged over a century of settling is standard knowledge for our Somerville crews but rarely practiced by techs who work mostly in newer construction towns. A heating call in a Spring Hill triple-decker often involves coordinating with multiple tenants, not just one homeowner.
The city’s extreme lot density, with buildings sitting 4 – 6 feet apart, makes siting outdoor condenser units a persistent permitting and neighbor-relations challenge. Cold, damp winters with sub-20°F wind chills keep heating demand high and make boiler failures a true emergency given dense multi-tenant occupancy. Increasingly humid summers are pushing owners toward mini-split heat pumps, but retrofitting cooling into these buildings means working with the architecture, not against it.
Our Main Somerville Services
These are the three services Somerville homeowners call us about most. Each has its own dedicated page with full details on local conditions and pricing.
AC Repair in Somerville
AC repair in Somerville almost always means ductless mini-split service, not central air. When a wall-mounted head unit in a Winter Hill triple-decker stops cooling, we check refrigerant levels, test the inverter board, and inspect the line set that runs through exterior walls often 18 inches thick. Because outdoor condensers sit in tight side yards or on flat roofs, we also verify airflow clearance and drainage. Our crews carry replacement compressors and refrigerant for major brands on the truck. AC Repair in Somerville covers common failures and what same-day repair looks like in your building.

Furnace Repair in Somerville
“Furnace repair” in Somerville is usually boiler repair, cast-iron steam or hot-water systems that have run for 80 to 120 years. We replace failed aquastats, swap leaking relief valves, and address the low-water cutoff failures that leave a Union Square building without heat on a 10°F night. Steam balancing across three tenant floors takes diagnostic time we build into the call, not shortcut. If your boiler is cycling on pressure or banging through the risers, we find the root cause rather than masking it. Furnace Repair in Somerville explains our process and what upfront pricing looks like for these jobs.

AC Maintenance in Somerville
AC maintenance here centers on ductless mini-splits, with their filters, coils, and condensate pumps working harder than design specs intended through humid July weeks. We clean blower wheels, check refrigerant charge by weight, and clear condensate lines that can back up into plaster walls. For properties with newer forced-air systems near Assembly Row, we inspect duct sealing and static pressure. Annual maintenance catches the small problems, a refrigerant leak or a failing fan motor, before they become August emergencies. AC Maintenance in Somerville has our flat-rate pricing and what the visit includes.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Somerville
We service all major residential HVAC brands including Trane, Lennox, Goodman, and Rheem. Our Somerville crews stock common control boards, capacitors, and igniters locally, so most repairs don’t wait on parts. See our brands for the full list we cover.
Pricing for HVAC Company in Somerville, MA
| Service | Typical range in Somerville |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3,500 – $7,500 |
| Tune-Up | $80 – $200 |
Prices in Somerville run toward the higher end of these ranges when we need to access rooftop or tight-side-yard condensers, coordinate with multiple tenants in a triple-decker, or re-pitch steam mains that have settled. Every job starts with a written price before any work begins. You’ll see the full cost, parts and labor included, and approve it in writing before we start.
Neighborhoods We Serve in Somerville
We run calls across Somerville’s neighborhoods, from the dense triple-deckers of Spring Hill and Winter Hill to the newer construction near Assembly Row. Most of our Somerville appointments are scheduled same-day or next-day depending on call volume and parts needed.
- Spring Hill
- Winter Hill
- Union Square
- Teele Square
- Assembly Row
Service Area – Cities Near Somerville
Our crews based near Somerville also handle calls in Cambridge, MA, Medford, MA, Boston, MA, and Everett, MA. Dispatch and scheduling are coordinated from our Boston office, with technicians serving each city locally.
Serving Somerville, MA - Our Local Coverage Area
We’re based in the Somerville area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in Somerville, MA
We treat no-heat calls in Somerville as same-day emergencies during cold weather, with a live person answering the phone 24/7 to dispatch the nearest available crew. Call (984) 538-9003 and we’ll give you a real arrival window, not a callback queue.
Most boiler repairs and mini-split servicing don’t trigger permits, but installing new outdoor condenser units in tight side yards often requires Somerville building department approval due to setback and noise rules. We handle the permitting paperwork on installation jobs and flag it during your written estimate.
We can coordinate access to multiple floors for boiler or steam system work that affects the whole building, though each tenant typically schedules their own in-unit mini-split service. For whole-building steam balancing, one point of contact helps us schedule efficiently and keeps costs predictable.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Somerville Customers Say
"Very thorough check on the whole system before summer. Found a worn belt and swapped it for cheap."
- Jerome F."Furnace short cycled all winter. He found a dirty flame sensor and cleaned it. Twenty minutes and a small bill."
- George Q."Knowing a vetted tech was coming into my house made a difference. Name and photo texted ahead, shoe covers, polite, and thorough with explaining."
- Tina M.







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