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 Walpole, MA
Most Walpole homeowners spend between $150 and $700 on HVAC repairs depending on the system and part, while full AC installations typically run $3,500-$7,500 in this market. We’re Coldharbour Heating & Air, and we handle the specific challenges that come with Walpole’s 1960s-1980s housing stock, oil-to-heat-pump conversions, and Climate Zone 5A winters that push heating equipment to its limits. Call us at (817) 402-2972 for a free estimate.
Why Walpole Homes Are Different
Walpole’s residential growth surged in the 1960s through the 1980s, producing a dense inventory of colonial and cape cod homes built with oil-fired forced hot water or warm-air systems now aging out simultaneously. That’s not a statistic from a brochure; it’s what our technicians see in basements every week. Meaningful portions of the town, particularly east and south toward the Sharon and Norfolk borders, never got natural gas mains. So we walk into homes where a 30-year-old oil boiler, a 275-gallon tank on its last legs, and an owner who’s already priced oil tank replacement are the local signals that someone’s ready to convert to a ducted or ductless heat pump rather than commit to another oil cycle.
The climate here is IECC Zone 5A with outdoor design temperatures around 0-5°F, which means heating loads dominate everything we size. Cold-climate heat pump defrost performance isn’t a selling point we tack on; it’s central to whether the system works in January. Summer humidity from the Neponset River watershed lowlands also creates latent cooling loads that single-stage legacy equipment handles poorly, so we see a lot of muggy second floors in split-levels off Route 1.
Older neighborhoods near the historic town center add another layer: pre-WWII homes with gravity-fed or early forced hot water systems, where modern equipment retrofits mean creative piping and careful heat-loss calculations rather than simple swaps.
Our Main Walpole Services
These are the three services Walpole homeowners call us about most. Each has its own dedicated page with full details on pricing, common failures, and what to expect.
AC Repair in Walpole
Summer humidity in Walpole stresses capacitors and contactors hard, and we see more refrigerant leaks in coastal-influenced corrosion than inland towns. Our technicians carry capacitors, contactors, and refrigerant for Carrier, Trane, Lennox, and other major brands so most AC repairs finish in one trip. We check the whole system, not just the failed part, because a weak capacitor often means a compressor working overtime. Every repair comes with our written 365-Day Done Right Promise. AC Repair in Walpole

Furnace Repair in Walpole
Oil furnaces in Walpole’s 1970s and 1980s stock run into nozzle coking, heat exchanger stress, and ignition failures when they’ve been deferred past annual service. Gas systems, where they exist, face their own pattern: induced draft motor failures and pressure switch faults in the 15-25 year window. We stock igniters, flame sensors, and blower motors for Rheem, York, Bryant, and Daikin systems, and we always test combustion safety before we leave. Furnace Repair in Walpole

AC Installation in Walpole
AC installation in Walpole often means solving the ductwork problem first. Many cape cods and colonials from the building boom have no ducts at all, or systems sized for heating that can’t move enough air for modern cooling loads. We perform Manual J load calculations for every install, specify cold-climate heat pumps where oil conversion makes sense, and handle Mass Save rebate paperwork so the homeowner doesn’t have to chase it. Install dates are scheduled, not same-day, because proper sizing takes time. AC Installation in Walpole

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 Walpole
Our technicians train on nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common capacitors, contactors, igniters, and flame sensors for Rheem, York, and Bryant systems locally, which means most Walpole repairs don’t wait on parts. our brands
Pricing for HVAC Company in Walpole, MA
| Service | Typical range in Walpole |
|---|---|
| AC Repair | $150-$650 |
| Furnace Repair | $150-$700 |
| AC Installation | $3,500-$7,500 |
| Tune-Up | $80-$200 |
What pushes Walpole jobs toward the higher end: oil system conversions requiring new refrigerant linesets, electrical upgrades for heat pump capacity, and ductwork modifications in homes that never had central air. What keeps them lower: straightforward part swaps on maintained systems with accessible equipment.
Before any work begins, we put the price in writing. That number doesn’t change at the door. It’s part of The Kingswell Way, and it’s how we’ve operated since 2003.
Neighborhoods We Serve in Walpole
We dispatch from our Boston office and keep technicians routed through Walpole’s core neighborhoods regularly. Most calls reach a technician within the same day or next, depending on season and emergency status.
- East Walpole
- South Walpole
- Walpole Center
- Plimptonville
- Bird Park area
Service Area – Cities Near Walpole
Our service radius covers the immediate towns surrounding Walpole, with regular routes through Medfield, MA, Sharon, MA, and Dover, MA. We also field calls from Norwood, PA homeowners who found us through referrals. Scheduling is coordinated from our Boston office, with crews serving each town locally.
Serving Walpole, MA - Our Local Coverage Area
We’re based in the Walpole 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 Walpole
We answer phones live 24 hours a day, and most Walpole emergency calls get a technician the same day or within hours for true no-heat or no-cool situations in extreme weather. Call (817) 402-2972 and we’ll give you a firm arrival window.
Yes, the Town of Walpole requires permits for furnace and AC replacements, which we pull as part of our standard process. We handle the paperwork and inspection scheduling so you don’t have to visit Town Hall.
Absolutely. We regularly work in the rural eastern and southern stretches of Walpole where gas mains never arrived. Those oil-to-heat-pump conversions are some of our most common jobs.
Call Coldharbour Heating & Air at (817) 402-2972 for a free estimate. A live person will answer, we’ll give you a written price before any work starts, and every repair carries our 365-Day Done Right Promise in writing.
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 Walpole Customers Say
"AC died overnight with a newborn in the house. They bumped us up the list and had it running by noon. I about hugged the guy. Fair price even on a rush call."
- Celeste Ngo"The repair was done well and quickly. Scheduling over the phone was a little clunky and I got transferred twice, but the tech himself was great and on time."
- Brett Haygood"Furnace was short cycling all winter. They diagnosed a bad sensor instead of condemning the whole unit like I feared. Cheap fix, honest call."
- Russ Tiedemann







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