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.
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AfterHVAC Company in Old Greenwich, CT
Dalton Heating & Air is the HVAC contractor Old Greenwich homeowners call when the system stops working and the last company didn’t show. We handle AC repair, heat pump installation, and furnace repair across Old Greenwich with written pricing before any work starts, and every repair is guaranteed in writing for a full year. If it fails in that time, we return at no charge. That’s The Garrison Standard, and it’s been our operating rule since 2003. Call (361) 306-9515 any hour, any day, and a live person answers.
Why Old Greenwich Homes Are Different
Old Greenwich sits right on Long Island Sound, so HVAC equipment here gets hit with salt air, humidity, and coastal temperature swings that inland systems never face. Condenser coils corrode faster. Electrical connections oxidize. A system that runs fine in Stamford can start tripping breakers in Old Greenwich within a few seasons because of the marine environment. When we open up an outdoor unit near Shore Road or the waterfront side of town, we’re looking for corrosion first, not just low refrigerant.
The housing stock matters too. Old Greenwich has a mix of pre-1940 colonials and capes, mid-century ranches, and newer construction, and each one wants a different approach. Older homes often have hydronic baseboards or steam heat that was retrofitted with central air later, so ductwork can be undersized or awkwardly routed. Newer builds around the Havemeyer Park area tend to have multi-zone systems and heat pumps that need a different diagnostic approach. A one-size-fits-all service call doesn’t work here, and we don’t pretend it does.
Terrain and setbacks change the work as well. Some properties back up to tidal marshes or sit on flood-maintained lots, which means outdoor condensers need proper elevation and drainage. We see units sitting too low on a regular basis, and that shortens compressor life. Greenhouse Road, Sound Beach Avenue, and the neighborhood pockets around Binney Park all have their own patterns we’ve learned to check.
Because of the coastal conditions, Old Greenwich homeowners see more than the usual share of noisy condenser fans, failing capacitors, and pitted contactors. A furnace that runs clean in Cos Cob can accumulate rust in a damp Old Greenwich basement within a few winters. That’s not a brand problem; it’s a coastal problem, and it changes how we inspect and what we stock.
Permits and codes are a real part of the job here. When equipment is replaced, Old Greenwich has specific clearance, drainage, and electrical requirements tied to coastal flood zones. We handle the paperwork and the inspections, so the install is done by the book and passes on the first try. Homeowners do not need to translate the building code themselves.
Our Main Old Greenwich Services
Three services cover the calls we see most from Old Greenwich homeowners, and each one has a dedicated page with pricing, what to expect, and the problems specific to this stretch of the Connecticut coast.
AC Repair in Old Greenwich
Coastal air means Old Greenwich AC calls lean toward corroded electrical connections, failing capacitors, and clogged coils. That’s before we even get to refrigerant leaks. We service all nine major residential brands including Trane, Lennox, and Goodman, and our techs carry the common parts for those systems on the truck. When your condenser fan stops turning on a July afternoon, you don’t want a diagnosis and a promise to return next week. You want it fixed that day. That’s the standard we work to. AC Repair in Old Greenwich
Heat Pump Installation in Old Greenwich
Heat pumps make particular sense in Old Greenwich for shoulder-season comfort, but the salt air means choosing the right coil finish and the right elevation for the outdoor unit. Our installs include a written fixed price before anything is ordered, a set installation date, and the rebate paperwork handled for you. We’ll size the system properly for your square footage and ductwork rather than just swapping in the same tonnage that was there before. Heat Pump Installation in Old Greenwich
Furnace Repair in Old Greenwich
Old Greenwich furnaces that live in damp basements and crawlspaces develop rust on burners and flame sensors more often than systems in drier inland towns. If your heat won’t fire or keeps short-cycling, a good portion of the time it’s a part that costs under a few hundred dollars, not a full system replacement. We’ll tell you exactly what failed, what it costs in writing before we touch it, and what’s covered under the year-long guarantee. Furnace Repair in Old Greenwich
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 Old Greenwich
We service Trane, Lennox, Goodman, and Rheem equipment in Old Greenwich, along with Carrier, York, Daikin, Bryant, and American Standard. Parts for common failures on these brands are stocked on the truck, so most repairs finish same-day rather than waiting on a supply house order. See the full list on our brands page.
Pricing for HVAC Company in Old Greenwich, CT
| Service | Typical range in Old Greenwich |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3,500 – $7,500 |
| Tune-Up | $80 – $200 |
Coastal corrosion and the age of the housing stock are the two biggest things that push an Old Greenwich repair toward the top of those ranges. Salt-damaged contactors and rusted burners are common, and they cost more in parts than a simple capacitor swap. Whatever the number is, it is in writing before we begin the work, and the repair carries a written guarantee for a full year.
Neighborhoods We Serve in Old Greenwich
We work throughout Old Greenwich, from the waterfront streets near the Sound to the inland neighborhoods around Binney Park. Because we schedule service calls from a central dispatch and route techs directly into Old Greenwich, most calls are reached the same day.
- Shore Road area and the waterfront side
- Sound Beach Avenue corridor
- Havemeyer Park
- Greenhouse Road area
- Neighborhoods around Binney Park
Service Area – Cities Near Old Greenwich
Our Old Greenwich team covers this town plus the surrounding Connecticut shoreline communities. Homeowners in Riverside, MD, Cos Cob, CT, Stamford, CT, and Greenwich, CT all reach the same live dispatch line, the same written pricing, and the same full-year guarantee on every repair.
Serving Old Greenwich, CT - Our Local Coverage Area
We’re based in the Old Greenwich 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 Old Greenwich
Most Old Greenwich calls are reached the same day, and emergency calls are dispatched around the clock. The live line picks up 24/7 at (361) 306-9515, so you’ll talk to a person, not a voicemail box, and we’ll give you a straight answer on the arrival window.
Most equipment replacements in Old Greenwich require a town permit, and coastal flood-zone rules can add elevation and setback requirements. Our team pulls the permit, schedules the inspection, and handles the paperwork so the install is compliant and passes the first time.
Every repair comes with a written full-year guarantee. If the same repair fails within that year, Dalton Heating & Air returns and makes it right at no charge. That’s The Garrison Standard, and it applies to every service call in Old Greenwich.
Call (361) 306-9515 for a free estimate, or use the home page to reach any service directly.
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 Old Greenwich 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.