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.
Before
After
Before
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Before
AfterHVAC Company in Chelsea, MA
Dalton Heating & Air handles HVAC work across Chelsea, MA, from Broadway to the waterfront. Most Chelsea homes run on older heating and cooling equipment packed into tight spaces, which changes the way every job gets planned. We send background-checked, uniformed technicians who write the price down before any work starts, and we stand behind the repair in writing for a full year. Call (361) 306-9515 and you’ll get a live person, not a voicemail queue.
Why Chelsea Homes Are Different
Chelsea’s housing stock is dense and old. A lot of the multifamily buildings in the city were built before 1950, with radiators converted from steam heat, small mechanical rooms, and exterior walls that were never designed for modern central air. Condensing units here are often crammed into side alleys or onto flat rubber roofs with limited clearance, which means a standard install procedure doesn’t always apply. Snow and ice from storms rolling off the Atlantic also end up on rooftop units in winter, and salt air off the harbor wears down exposed coil fins faster than it would inland. Furnaces and air handlers tucked into basement closets in the Bellingham Square area tend to run hotter because there’s less airflow. When we work in Chelsea, the first thing we check is whether the existing equipment can be reached and whether the venting meets current code, because on a lot of these older buildings it never did.
Our Main Chelsea Services
Most calls from Chelsea homeowners fall into three groups: an AC that stopped cooling during a summer heat wave, a furnace that will not light when the temp drops, and full heat pump installs for owners who want to retire old radiators or window units.
AC Repair in Chelsea
Window units and old central systems both fail hard during a heat wave, and in Chelsea the brick and asphalt hold the heat well into the evening. Our technicians diagnose what is actually wrong, show you the number before touching a screwdriver, and handle repairs for most major brands the same day. Refrigerant leaks, failed capacitors, and clogged drain lines in roof-mounted condensers are routine here. Read the full breakdown on our AC Repair in Chelsea page.
Heat Pump Installation in Chelsea
Heat pump installation in Chelsea often means working around tight lot lines, old balloon-frame walls, and electrical panels that need upgrading before the system can be wired. We write a fixed price, schedule the work on a set date, and complete the install to the manufacturer’s spec. For Chelsea homeowners replacing oil or baseboard heat, a heat pump can cut wintertime fuel dependence in one project. See Heat Pump Installation in Chelsea for details on sizing and the process.
Furnace Repair in Chelsea
When a furnace quits in a Chelsea triple-decker in February, the whole building loses heat at once. We carry the common fail parts – ignitors, flame sensors, gas valves, pressure switches – in the truck so most calls finish in one visit. Older converted steam systems need a technician who understands both the original piping and the modern controls. The full write-up is on the Furnace Repair in Chelsea 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 Chelsea
Our technicians are factory-trained on Rheem, York, Daikin, and Bryant equipment, among other major lines. We stock common Chelsea repair parts locally and can typically source proprietary components within a day. See our brands for the full list of what we work on.
Pricing for HVAC Company in Chelsea, MA
| Service | Typical range in Chelsea |
|---|---|
| AC diagnostic | $150 – $300 |
| AC capacitor replacement | $200 – $450 |
| AC refrigerant recharge | $250 – $650 |
| Furnace diagnostic | $150 – $300 |
| Furnace ignitor replacement | $250 – $450 |
| Furnace gas valve replacement | $400 – $700 |
| Central AC installation | $3,500 – $7,500 |
| Annual tune-up | $80 – $200 |
Rooftop access and tight basement mechanical rooms are the two biggest price drivers in Chelsea, since they add labor time. The price is in writing before any work starts, and it does not change at the door.
Neighborhoods We Serve in Chelsea
We work in every residential neighborhood in the city, and our Boston-based dispatcher routes Chelsea calls to the nearest available crew. Typical response is same-day for repair calls placed before midday.
- Bellingham Square
- Prattville
- Soldiers Home
- Mill Hill
- Admirals Hill
Service Area – Cities Near Chelsea
Dalton Heating & Air covers Chelsea and the surrounding cities from a metro dispatch office in Boston. If you own property in a neighboring community, we handle those calls too: Everett, MA, Revere, MA, Malden, MA, and Boston, MA.
Serving Chelsea, MA - Our Local Coverage Area
We’re based in the Chelsea 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 Chelsea
We answer the phone 24/7 and dispatch a tech to Chelsea the same day when you call before midday. After-hours and weekend calls route to a live person, not a recording. Call (361) 306-9515 to check current availability.
Most equipment replacements and new installs in Chelsea require a city permit, which involves an inspection after the work is done. We handle the paperwork and schedule the inspection as part of the job. Repairs to existing equipment typically do not require one.
Yes. A large share of Chelsea’s residential stock is two-family and three-family buildings, and we work in those units regularly. If a single furnace or hot water loop serves multiple apartments, we can diagnose it without disrupting the rest of the building more than necessary.
If you need HVAC work in Chelsea, call (361) 306-9515 for a free estimate and a live person on the line. The price is in writing before we start, and the repair is guaranteed in writing for a full year.
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 Chelsea Customers Say
"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."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.