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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AfterFast, Reliable Furnace Repair Across Stamford
Most furnace repairs in Stamford run $150 – $700, and we can usually have a technician in front of your unit within hours, not days. That matters when a January cold snap hits Long Island Sound and your heat won’t kick on. Our Furnace Repair team knows Stamford’s housing stock, from prewar Colonials in Shippan Point to 1970s split-levels in North Stamford, and we show up with a written price before any work begins. Call (361) 306-9515 any time, day or night, and a live person answers.
Why Dalton Heating & Air Is Stamford’s Preferred Furnace Repair Company
Stamford homeowners call us because we do what we say we’ll do. We arrive inside the stated window, we put the price in writing before touching a single component, and every repair carries a written one-year guarantee. If the work fails within that year, we return at no charge. That’s The Garrison Standard, and our Furnace Repair in Stamford customers hold us to it on every job.
Marco Benitez leads our Stamford crew. He’s spent years working on the exact furnaces and boilers that fill this city’s older neighborhoods. When a Carrier from 1998 won’t fire in Riverside or a Rheem in Old Greenwich is short-cycling, Marco’s seen it and fixed it. Our technicians are background-checked, uniformed, and factory-trained to service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. No subcontractors, no strangers at your door.
Dispatch and scheduling are coordinated from the brand’s Hartford office, but crews live and work across Stamford. That means we can typically route a tech to your neighborhood fast when you’ve got no heat. Live phone support runs 24/7, so at 2 a.m. on a Tuesday you talk to a person, not a voicemail queue.
Boiler Repair in Stamford
Boiler Repair in Stamford covers the steam and hot-water boilers heating a large share of this city’s prewar houses, especially in neighborhoods like Glenbrook and the Cove. Many of these systems were installed decades ago and have never had a proper heat exchanger inspection. When a boiler won’t hold pressure, leaks around the circulator pump, or makes banging noises from trapped water in the pipes, a Stamford homeowner needs a tech who knows hydronic systems, not just forced air.
Steam Boiler Diagnostics
Steam boilers in Stamford’s two-family homes often fail because the pressuretrol is set wrong or the sight glass is clogged. We check the full loop: thermostat, pressuretrol, low-water cutoff, and near-boiler piping. Most repairs run $150 – $700 depending on the part, and the price is in writing before we start.
Hot Water Boiler Repair
Hot water boilers in Stamford lose efficiency when air gets trapped in radiators or the expansion tank fails. We bleed the system, inspect the tank, and test the relief valve on every call. A tune-up on a boiler runs $80 – $200, cheap insurance before December.
Gas Furnace Repair in Stamford
Gas Furnace Repair in Stamford is the call we get most from October through March. Stamford winters drop below freezing often enough that a dead gas furnace is a genuine emergency, not an inconvenience. When your furnace won’t light, trips the breaker, or blows cold air, the fix usually comes down to an ignitor, flame sensor, gas valve, or control board. Our techs carry the common parts on the truck, so most repairs finish same-day.
Ignitor and Flame Sensor Replacement
In Stamford’s older gas furnaces, the hot surface ignitor is the part that fails first. If your furnace clicks but won’t light, that’s usually the culprit. We replace ignitors and flame sensors regularly, and the job typically runs $150 – $450.
Gas Valve and Control Board Work
When a gas furnace fires but then shuts off, or never fires at all, the gas valve or control board is often to blame. These are pricier parts, sometimes pushing a repair toward the $700 end of the range. But we’ll tell you straight if the furnace is worth fixing or if replacement makes more sense for your Stamford home.
Trusted Brands We Service in Stamford
We service Rheem, York, Daikin, Bryant, and every other major residential furnace brand in Stamford. Our trucks carry common OEM parts for these systems, which speeds up repairs across Stamford’s neighborhoods. If your furnace is a Carrier, Trane, Lennox, or Goodman, we stock those parts too. When a specialty part isn’t on the truck, our local supply houses in Stamford get it to us the same day, and we’ll have the repair done without dragging it into a second visit.
Common Furnace Repair Problems We See in Stamford Homes
- Aging oversized furnaces in renovated homes. North Stamford and Shippan Point are full of houses where owners tightened the envelope with new windows and insulation but left a 30-year-old furnace sized for the original drafts. That furnace short-cycles, wastes gas, and wears out parts early.
- High static pressure killing blower motors. Older Stamford houses with flex-duct retrofits or undersized returns push blower motors hard. We see repeated capacitor failures and motor burnout because the furnace can’t breathe.
- Heat exchanger cracks found during CO tests. Many Stamford furnaces have never had a combustion analysis or carbon monoxide test. When we finally run one, cracked heat exchangers aren’t rare. This is a safety issue, not a comfort issue, and it usually points to replacement.
- Steam boiler controls out of adjustment. Preston and the West Side have plenty of prewar steam systems. Pressuretrols get knocked out of range, low-water cutoffs get dirty, and the boiler either won’t run or runs too hot. It’s fixable, but it needs a tech who works on hydronics regularly.
Pricing for Furnace Repair in Stamford, CT
Here’s what Stamford homeowners can expect to pay. Gas furnace repair, including the diagnostic and the fix, runs $150 – $700. Boiler repair falls in the same $150 – $700 window. A seasonal tune-up on either a furnace or boiler costs $80 – $200 and includes a written report. If you’re replacing a furnace rather than repairing one, a new installation in Stamford runs $3500 – $7500 depending on efficiency, size, and the condition of your existing ductwork or piping. These are real numbers for this market, not national averages, and every quote is in writing before work begins. Call (361) 306-9515 for a free estimate on your specific system.
| Service | Stamford Price Range |
|---|---|
| Gas furnace repair (diagnostic + repair) | $150 – $700 |
| Boiler repair (diagnostic + repair) | $150 – $700 |
| Seasonal tune-up (furnace/boiler) | $80 – $200 |
| Replacement furnace installation | $3500 – $7500 |
The One Thing Stamford Homeowners Need to Know Before Repairing or Replacing
Stamford has a higher median household income and a long run of renovated prewar homes than most of the metro. That means we see a lot of long-lived 80% gas furnaces and steam or hot-water boilers with literally no service records. The furnace works, so nobody touches it, until one February morning it doesn’t. The real fork in the road isn’t just whether the ignitor is bad. It’s whether the heat exchanger has a crack nobody ever looked for, whether the furnace is oversized for the now-tightened shell of the house, and whether the ductwork is choking the blower with high static pressure. A proper heat exchanger inspection, a static pressure test, and a load calculation answer those questions. Skip that, and you’re guessing.
On a recent cold snap in Shippan Point, our tech found a Carrier gas furnace short-cycling due to a weak capacitor and a long list of deferred maintenance. A load calculation showed the 30-year-old unit was oversized for the house’s updated envelope. We replaced it with a properly sized unit, and the homeowner told us their fuel bill dropped noticeably. Another job near Lake Avenue involved a Goodman blower motor failing under high static pressure because a prior addition had blocked the return. Fixing the return practically halved the noise and restored proper airflow. Those are the kinds of details that only show up when you actually test the system, not just swap the failed part.
We Also Serve Cities Near Stamford
Our furnace repair coverage extends beyond Stamford to Old Greenwich, Riverside, Cos Cob, and Greenwich. If you’re in one of those towns and your furnace won’t start, our Furnace Repair team can route a tech your way fast. Same written pricing, same one-year guarantee.
Serving Stamford, CT - Our Local Coverage Area
We’re based in the Stamford 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 Furnace Repair in Stamford
At 30 years old with electrical symptoms, replacement usually wins. A breaker trip on a cold morning often means the blower motor is drawing high amps, which can cascade into control board failures. In Stamford, a new furnace runs $3500 – $7500, and if your old unit is oversized for your home’s current shell, a properly sized replacement cuts fuel bills noticeably. We’ll run a load calculation and give you the repair price and the replacement price side by side, in writing, so you decide with real numbers. Call (361) 306-9515.
Stamford’s combination of older housing stock and hard freezes stresses furnaces that run fine in mild weather. Systems that short-cycle or run long cycles all winter finally expose weak capacitors, dirty flame sensors, and failing ignitors when the temperature drops. A lot of these no-heat calls could have been caught by a fall tune-up, which costs $80 – $200 and takes about an hour.
Probably not for a furnace alone. SEER2 applies to cooling efficiency, and while it matters for air conditioners and Stamford Heat Pump Installation, your bigger furnace efficiency lever in Stamford is AFUE. A 95% AFUE furnace versus an 80% AFUE unit saves roughly 15 cents on every heating dollar. The payback depends on your current unit’s condition and your actual fuel use. We’ll run the numbers honestly, some homes benefit more from sealing ducts than from a new furnace.
Yes. We work on forced-air gas furnaces and on steam and hot-water boilers across Stamford. Many of the prewar houses in Glenbrook, the Cove, and the West Side run hydronic heat, and those systems have their own failure modes. Boiler repair in Stamford runs the same $150 – $700 range as furnace repair, and we handle everything from pressuretrols to circulator pumps to near-boiler piping.
Repairs run $150 – $700 depending on the part. A tune-up runs $80 – $200, and it includes a written report of what we found, not just a filter change. If we’re out for a repair and find something else wrong, you’ll get the price in writing before we do extra work. There’s no charge for the estimate, and the repair itself is guaranteed in writing for a full year. Call (361) 306-9515 to get on the schedule.
If your furnace is down in Stamford, or it’s making noise it didn’t make last winter, call us. We’ll send a technician who knows this city’s houses, puts the price in writing, and stands behind the work for a year. Call (361) 306-9515 now for a free estimate.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Stamford, CT.