Dalton Heating & Air hvac team

HVAC Company in Medfield - On-Site Today, No Overtime Charge

Same-day heating and cooling service with the price agreed before we start, and no overtime surcharge for evenings or weekends. Licensed, insured, EPA-certified technicians.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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We answer around the clock

🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
Every visit starts with

Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed

Your new heating and cooling system for as low as $119/month*on approved credit; ask for current terms

Diagnosis first, numbers second - you approve the repair price before a single part goes in.

Styles & brands we work with

AC repair
AC repair
Furnace & heating
Furnace & heating
Heat pumps
Heat pumps
Ductless mini splits
Ductless mini splits
Carrier
Carrier
Trane
Trane
Goodman
Goodman

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

HVAC Company in Medfield, MA

If your furnace quits on a January night or your AC can’t hold temperature in July, you want a crew that shows up, prices the job in writing before touching a thing, and stands behind the repair for a full year. That’s the work we do across Medfield, MA, from the older colonials near Hospital Road to the newer construction off Pine Street. Call (361) 306-9515 and a live person picks up, day or night.

Call (361) 306-9515

Why Medfield Homes Are Different

Medfield, MA sits in Norfolk County southwest of Boston, and its housing stock runs older than a lot of nearby towns. Plenty of homes were built between the 1920s and 1970s, which means boilers and furnaces that have seen decades of use, ductwork retrofitted into tight basements, and electrical panels that sometimes need an upgrade before a heat pump goes in. The Charles River runs along parts of the town, and the river bottomland means some homes deal with damp basements that stress indoor air handlers and breed rusty condensate lines.

Winters hit hard here. Single-digit stretches in January and February test furnaces that were oversized when oil was installed but now run on natural gas conversions. Summers have gotten longer and more humid, so AC systems that used to coast through August now run hard from June into September. That cycle of cold winters and muggy summers is why we recommend load calculations with every install, not a one-size-fits-all swap.

Our Main Medfield Services

Most calls from Medfield, MA come down to one of three problems: an AC that stopped cooling, a furnace that won’t fire, or a homeowner who wants to move off oil or electric baseboard and into a heat pump. Here’s how each one shakes out in this town.

AC Repair in Medfield

Most AC failures in Medfield follow a pattern: a capacitor that gave out during an August heat wave, a condenser coil clogged with cottonwood and pollen from the trees along North Street, or a refrigerant system that’s leaked down enough to stop cooling. Our techs diagnose first, then put the repair price in writing before work starts. If you need the full breakdown on what we fix and what it costs, see our AC Repair in Medfield page.

AC Repair in Medfield

Heat Pump Installation in Medfield

Heat pumps make more sense in Medfield than they did ten years ago, especially for homes without ductwork along South Street or the cul-de-sacs off Spring Street. Cold-climate units now hold their capacity below freezing, which matters when January lows drop into the single digits. Every install starts with a load calculation and a written, fixed price. Details on sizing, rebates, and what a job costs are on our Heat Pump Installation in Medfield page.

Heat Pump Installation in Medfield

Furnace Repair in Medfield

When a furnace will not stay lit or the blower runs without producing heat, Medfield homeowners want it diagnosed fast. Common culprits include flame sensors, pressure switches, and ignitors on gas furnaces, or electrode and fuel-line issues on the remaining oil burners around town. We keep common parts on the truck so most repairs happen in one visit. Read the full scope of what we handle on our Furnace Repair in Medfield page.

Furnace Repair in Medfield
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (361) 306-9515

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Medfield

Our techs are factory-trained on nine major residential brands, including Rheem, York, Daikin, and Bryant. We stock common replacement parts in our vehicles for the systems most often installed in Medfield homes, which cuts down on repeat visits. For the full lineup, see our brands.

Pricing for HVAC Company in Medfield, MA

Service Typical range in Medfield
AC repair $150 – $650
Furnace repair $150 – $700
AC replacement $3,500 – $7,500
Seasonal tune-up $80 – $200

What pushes a repair toward the high end in Medfield is usually age: a 20-year-old system with a discontinued control board costs more than a bad capacitor on a five-year-old unit. Either way, you get the price in writing before any work starts, and the repair carries a written guarantee for a full year.

Neighborhoods We Serve in Medfield

We run calls all over Medfield, MA, and most of the town is reachable within a short drive from Route 109 or Route 27. Here are the areas we work in most often:

  • The center of town near Main Street and the meetinghouse
  • The neighborhoods off North Street and Hospital Road
  • The streets around Kingsbury Pond and the Charles River
  • The newer developments west of Route 27 toward Walpole
  • The south side near the High School and Wheelock School

Service Area – Cities Near Medfield

Beyond Medfield, MA, our crews regularly work in the surrounding towns. If you’re next door, we cover Dover, MA, Walpole, MA, Norwood, PA, and Needham, MA. Scheduling is coordinated through our Boston office, and the crews serving Medfield live in the area.

Serving Medfield, MA - Our Local Coverage Area

We’re based in the Medfield 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 Medfield

Ready to get started? Free estimates · within the hour response in Medfield
Call (361) 306-9515

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local hvac pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Medfield Customers Say

★★★★★ 5.0 from 7+ reviews

"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.

"Tech arrived in uniform right on time. AC wasn't cooling, found a failed capacitor, and replaced it in twenty minutes. The owner is a veteran and the company runs like it."

- Frank O.

How It Works in Medfield

Getting your hvac handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your hvac needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Medfield - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

Bring these savings to your next appointment.

10%

10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

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Areas We Serve
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