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 Gloucester, MA
Gloucester’s mix of salt air, steep streets, and housing stock that runs from 18th-century colonials to 1990s capes means HVAC work here rarely follows a textbook. Dalton Heating & Air handles the full range of heating and cooling jobs in Gloucester, from a furnace that quits during a January nor’easter to a heat pump sized for a house near Good Harbor Beach. If your system is acting up or you’re planning a replacement, call (361) 306-9515 and you’ll get a live person, not a voicemail queue.
Why Gloucester Homes Are Different
Gloucester’s position on Cape Ann puts every outdoor condenser, heat pump, and rooftop vent within reach of salt-laden wind. That’s the single biggest factor in how systems age here. Aluminum fins on AC condensers corrode faster within a half mile of the water than they do inland. We see it on East Gloucester homes near Niles Pond and on older colonials up toward Annisquam. Copper lines, electrical connections, and sheet metal rust at different rates, which changes how we diagnose, what we recommend for replacement, and how we protect outdoor units before winter.
The housing stock makes every job its own puzzle. Homes built before central air existed need creative duct routing or a ductless approach. Homes near the harbor or along Washington Street often have basements with fieldstone foundations, low ceilings, and tight mechanical corners. We work on all of it, and we quote every job with the actual conditions in mind. A furnace replacement in a 1920s two-family off Main Street is not the same job as one in a 2000s colonial off Concord Street. The price should reflect that.
Our Main Gloucester Services
Two of the three jobs Gloucester homeowners call about most involve the equipment that gets punished by salt air and uneven temperatures: cooling that fails in July, and heat that fails in February. Each service has a dedicated Gloucester page linked below.
AC Repair in Gloucester
A cooling failure in mid-July on the third floor of an Annisquam colonial is a different call than one in a single-story ranch off Maplewood Avenue. The refrigerant levels, condenser condition, and electrical load all tell us something, and salt corrosion near the coast often accelerates the usual wear. Our technicians arrive with the tools and frequently needed parts already on the truck so the first visit is usually the fixing visit. For the full breakdown of what Gloucester AC repair costs and what our guarantee covers, visit AC Repair in Gloucester.

Heat Pump Installation in Gloucester
Heat pumps have become the most common full-system answer for Gloucester homes without ducts, and for homeowners tired of oil heat. But a heat pump sized for a shaded lot off Western Avenue is not the same as one sized for a south-facing colonial in Bay View. We do a proper load calculation and look at the home’s insulation and sun exposure before quoting. You get a written price for the entire job before any equipment is ordered. See Heat Pump Installation in Gloucester for the details.

Furnace Repair in Gloucester
When a furnace fails during a Gloucester cold snap, the first question is always how fast someone gets to the house. We carry common igniters, flame sensors, pressure switches, and limit switches on our Gloucester trucks, so a no-heat call is often resolved in a single visit. If the furnace is older and the repair is marginal, we’ll tell you straight whether it’s smarter to fix or replace. More on pricing and the written guarantee at Furnace Repair in Gloucester.

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 Gloucester
Our technicians are factory-trained to service Rheem, York, and Daikin equipment, among others. We keep common parts stocked on trucks that serve Gloucester daily, and for less common components we can typically have them ordered and scheduled within a few days. See our brands for the full list of what we work on.
Pricing for HVAC Company in Gloucester, MA
| Service | Typical range in Gloucester |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation | $3,500 – $7,500 |
| Tune-up | $80 – $200 |
What shifts a Gloucester price is mostly equipment age, proximity to the water, and whether the existing system was installed to handle salt exposure. The price we quote is the price you pay, because it’s written down before any work starts. No add-ons at the door.
Neighborhoods We Serve in Gloucester
We work throughout the city. These are the areas we cover most days.
- East Gloucester and Rocky Neck
- Magnolia and Little Good Harbor
- West Gloucester and the Back Shore
- Annisquam and Riverdale
- Bay View and downtown Gloucester
Service Area – Cities Near Gloucester
If you’re just outside Gloucester proper, we also serve Rockport, MA and Ipswich, MA, along with Beverly, MA and Marblehead, MA. Same pricing, same written guarantee, same crew standards.
Serving Gloucester, MA - Our Local Coverage Area
We’re based in the Gloucester 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 Gloucester
Most Gloucester calls get a same-day or next-day visit, depending on weather and call volume. If your heat is out in freezing weather, we treat that as a priority and aim to have someone out the same day. Call (361) 306-9515 and a live person picks up.
Some Gloucester HVAC jobs require a city permit, and we handle that paperwork as part of the job. The specific requirements depend on the scope, but you don’t need to chase anything down yourself. We’ll tell you what’s required when we quote the work.
Yes. We schedule in windows that work for you, including early mornings and evenings. When you call, tell us what works and we’ll build the visit around it. You’ll also know who’s coming before they arrive.
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 Gloucester Customers Say
"Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."
- Sandy G."Changed the filter size and added a better filter rack. Simple and useful advice."
- Rhonda C."Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."
- Eliza S.







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