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 Wellesley, MA
Wellesley’s HVAC work runs on a different clock than most of the Boston metro. The town’s housing stock skews older, the lots are shaded, and a meaningful share of homes sit in neighborhoods with exacting architectural and landscaping standards. That combination means heating and cooling jobs here are rarely simple swaps. They’re diagnosis-first, access-aware, and often coordinated around materials that have to be planned rather than grabbed off a shelf. If your system is short-cycling in Wellesley Hills or your second-floor rooms won’t hold temperature near the Fells, call (361) 306-9515. We’ll tell you what the repair or replacement actually costs, in writing, before any work begins.
Why Wellesley Homes Are Different
Wellesley’s housing stock spans a hundred-plus years, and the HVAC that serves it is just as varied. You’ll find 1920s Colonials with radiator-fed oil boilers off Worcester Street, mid-century ranches near Route 16 that were retrofitted for central air in the 1980s, and newer construction where the builder-grade heat pump was sized to the floor plan but not to the tree canopy. The shade is a bigger factor here than most homeowners realize. Mature oaks and maples keep upper floors cooler in July, but they also drop debris into outdoor condenser units and keep morning frost on heat pump coils longer into the spring. That affects defrost cycles and, over time, compressor wear.
Permit and oversight realities also shape how Wellesley jobs get done. Work that touches the building envelope or requires a new condenser pad can trigger a review cycle, and some streets with strict setback or noise-screening expectations need documentation that a generic drive-by quote won’t include. We handle that paperwork as part of the job, not as a line item you discover later. The result is that a Wellesley homeowner should expect a tighter, more specific quote: less guesswork, more accurate scheduling, and a clear understanding of what gets done the day we arrive.
Our Main Wellesley Services
Wellesley homeowners call Dalton Heating & Air most for two things: a system that stopped cooling or heating, and a furnace or heat pump that needs an honest answer about repair versus replacement. Each service below has its own Wellesley page with full pricing and job detail.
AC Repair in Wellesley
When a central air system fails in Wellesley, it’s rarely a single obvious fault. Older condensers on shaded lots battle clogged coils and failing capacitors at the same time. Newer variable-speed units can throw a communication fault that a generic parts-swapper chases for hours. Our approach is to diagnose the full system once, write down what’s wrong, and fix it in the order that makes sense for the house. We stock common Trane, Lennox, and Goodman parts and can have less common boards or motors on site within a day. Full detail and pricing are on our AC Repair in Wellesley page.

Heat Pump Installation in Wellesley
Wellesley’s mix of older homes and exacting lot standards makes heat pump installation a planning job first. Load calculations have to account for tall ceilings, original single-pane windows, and shaded north walls that stay cold into April. We size and quote for the house as it actually behaves, not as it appears in a tax record. That means a written price that covers the outdoor unit, indoor air handler, line set, electrical, and any Wellesley-specific site work before you commit. Read more on our Heat Pump Installation in Wellesley page.

Furnace Repair in Wellesley
Furnace repair in Wellesley tends to fall into two camps: gas furnaces in unfinished basements that are quick to reach, and older units in finished lower levels or converted closets where access eats time. We’ll quote by the repair, not by the hour, and we’ll tell you if the heat exchanger or inducer is at a stage where repair money is better spent on replacement. Rheem and Goodman parts are stocked in our local truck inventory, with specialty parts ordered same day. Full detail is on our Furnace Repair in Wellesley page.

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 Wellesley
Our technicians are factory-trained on Trane, Lennox, Goodman, and Rheem systems, and we carry common parts for all three in Wellesley-bound trucks. If a part isn’t on hand, we order it same day and schedule the follow-up before we leave your driveway. See the full list on our brands page.
Pricing for HVAC Company in Wellesley, MA
| Service | Typical range in Wellesley |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3,500 – $7,500 |
| Tune-Up | $80 – $200 |
What pushes a Wellesley repair toward the upper end is usually access, not parts. A furnace tucked into a finished basement closet or a condenser pad that requires careful landscaping protection adds labor time. What never changes is the price: every job gets a written quote before work starts, and that number is the number you pay.
Neighborhoods We Serve in Wellesley
We work across all of Wellesley, from the estates near the country club to the denser streets around the town center. Response time for most calls is same day or next morning, depending on when you reach us.
- Wellesley Hills
- Wellesley Farms
- Fells
- Wellesley Square
- Wellesley Lower Falls
Service Area – Cities Near Wellesley
Dalton Heating & Air serves Wellesley and the surrounding towns. We also work in Needham, MA, Dover, MA, Framingham, MA, and Newton, MA. If you’re on the town line, call us and we’ll confirm coverage before you schedule.
Serving Wellesley, MA - Our Local Coverage Area
We’re based in the Wellesley 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 Wellesley
Most Wellesley calls are scheduled same day when you reach us before mid-afternoon, and next morning otherwise. Emergency no-heat or no-cooling calls in winter and summer move to the front of the schedule. The phone is answered by a live person 24/7, so you’ll know your window before you hang up.
Some do. A straight furnace or condenser swap on an existing pad usually doesn’t, but new condenser placement, heat pump outdoor units, or any work affecting the building envelope can require town review. We handle permit paperwork as part of the job and tell you upfront if your project needs it.
We cover all of Wellesley: Wellesley Hills, Wellesley Farms, the Fells, Wellesley Square, and everything between Route 9 and Route 16. There’s no neighborhood we skip, and no trip charge for a quote. Call (361) 306-9515 and we’ll confirm coverage and get you on the schedule.
If your Wellesley furnace, AC, or heat pump needs a real diagnosis and a written price, call Dalton Heating & Air at (361) 306-9515 for a free estimate. A live person answers, we show up inside the window, and the quote is in writing before any work starts.
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 Wellesley Customers Say
"Coil cleaning and a refrigerant check before summer. AC has never been this cold."
- Marty D."Good communication, tidy, and disciplined work. Taped off the floor and wiped the unit down."
- Karen J."Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."
- Cheryl B.







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