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 San Gabriel
Most furnace repairs in San Gabriel run $150 – $700 depending on the part and the furnace. A tune-up runs $80 – $200. We answer the phone with a live person 24/7, give you a written price before any work starts, and back every repair with a written one-year guarantee. Dalton Heating & Air has served San Gabriel homeowners under The Garrison Standard since 2003, and we carry parts for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard on our trucks. Call (361) 306-9515 and you’ll know the price before we touch a screw.
Why Dalton Heating & Air Is San Gabriel’s Preferred Furnace Repair Company
Homeowners across San Gabriel, from the Mission District to the neighborhoods south of Las Tunas Drive, call us because we do what we say. Our techs arrive inside the window we give you, in uniform, background-checked, and with the price in writing before any work begins. That’s The Garrison Code, and it’s not optional. A no-heat call in San Gabriel gets a real person on the phone day or night, not a voicemail queue.
Marco Benitez leads our team, and he holds every tech to one standard: diagnose first, quote second, repair third. If a repair fails within a full year, we return at no charge. That’s the 365-Day Done Right Promise. We don’t pro-rate it, and we don’t make you argue for it. It’s printed on every invoice in San Gabriel.
We also know San Gabriel’s housing stock. The 1920s bungalows near the Mission District don’t heat like the 1960s tract homes off San Gabriel Boulevard, and neither heats like newer infill construction. Local knowledge means we check the ductwork and static pressure, not just the furnace cabinet, when a San Gabriel home won’t stay warm.
Heating Repair in San Gabriel
Heating Repair in San Gabriel starts with an accurate diagnosis. Most no-heat calls are not a dead furnace. They’re a failed ignitor, a cracked heat exchanger, a bad gas valve, or a blower motor that’s given up. The difference matters because the fix ranges from a $150 part swap to a $700 repair, and guessing wrong wastes your money. Our techs test before they quote. The written price you approve is the price you pay.
Ignitor and Gas Valve Replacement
An ignitor is the small ceramic element that lights your furnace’s gas. When it fails, the furnace clicks and blows cold air, or doesn’t fire at all. In San Gabriel, we commonly replace ignitors in furnaces 10 years and older. A gas valve replacement is a bigger job; a sticking valve can interrupt fuel flow or, more seriously, fail to shut off when it should.
Blower Motor and Heat Exchanger Repair
A blower motor failure often gets misdiagnosed as a dead furnace. The burners fire, but no warm air moves through the house. We test the capacitor and motor windings before recommending replacement. A cracked heat exchanger is a different matter entirely: it’s a carbon monoxide risk, and we shut the furnace down and walk you through repair-versus-replace options before we do anything else.
Boiler Repair in San Gabriel
Boiler Repair in San Gabriel is less common than furnace work, but plenty of older homes around the Mission District still run hydronic heat. A boiler that bangs, leaks, or won’t hold temperature usually needs a circulator pump, a pressure valve, or an expansion tank. These repairs typically fall in the same $150 – $700 range as furnace work in San Gabriel. We service boilers as well as forced-air furnaces, and we stock common parts locally.
No Heat or Uneven Heat from a Boiler
When a San Gabriel boiler fires but radiators stay cold, the circulator pump is often the culprit. When it short-cycles or loses pressure, it’s usually the expansion tank or a fill valve. Our techs check system pressure and pump operation before quoting, so you’re not paying for a part you don’t need.
Strange Noises and Leaks
Banging or hammering sounds from a boiler usually mean trapped air or a failing pump, not a dangerous failure. A visible leak near the boiler is urgent. We’ll isolate the source, give you a written repair price, and if the leak is in a valve or fitting, we can typically fix it the same visit.
Trusted Brands We Service in San Gabriel
We’re factory-trained on nine major residential HVAC brands, and we repair them all in San Gabriel: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. If your Rheem furnace near San Gabriel High School won’t fire, or a York unit off Valley Boulevard is short-cycling, we have parts on the truck. That means fewer second trips and faster repairs for San Gabriel homeowners. We don’t push one brand. We fix the one you already own.
Common Furnace Repair Problems We See in San Gabriel Homes
- High-limit switch trips from undersized return air. Older San Gabriel bungalows, especially 1920s homes near the Mission District, often have return-air paths that are too small or partially blocked. High static pressure starves the furnace, and it short-cycles to protect itself. The fix is often a static pressure test and return duct correction, not another limit switch.
- Cracked heat exchangers in aging Carrier, Trane, and Lennox furnaces. We find these in 15-to-25-year-old units that haven’t been serviced regularly. This is a safety shutdown, not a patch job. We’ll test and show you the crack before discussing replacement.
- Failed capacitors and dirty blower motors. A weak capacitor can stop the blower motor from starting. Homeowners tell us “the furnace is dead,” when the actual fix is a $150 – $250 capacitor. We test the part, not the sales pitch.
- Ignitor failures on older furnaces. Ignitors crack with age and thermal cycling. A no-heat call in San Gabriel where the furnace clicks but won’t light is most often a bad ignitor, a $180 – $320 repair on most units.
We got a no-heat call on a 1940s bungalow near the San Gabriel Mission Playhouse. The homeowner had a 20-year-old Carrier furnace that kept locking out. Our tech found a cracked heat exchanger and a return static pressure of 0.8 in. w.c., well above the 0.5 in. w.c. spec. Since the heat exchanger was unsafe, we walked them through repair-versus-replace. A new 80% AFUE single-stage unit with corrected return ducting was the honest call, and we sized it with a load calculation to confirm the right tonnage before install.
Pricing for Furnace Repair in San Gabriel, CA
Here’s what you can expect to pay for furnace work in San Gabriel. These are the numbers we quote, in writing, before any work begins:
| Service | Typical Price Range |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Tune-Up | $80 – $200 |
A simple ignitor replacement sits at the low end. A blower motor or gas valve pushes toward the middle. A heat exchanger replacement on an older furnace can hit the top of the range, and at that point you need repair-versus-replace numbers, not just a patch. We give you both, on paper. Estimates in San Gabriel are free, and there’s no obligation. Call (361) 306-9515 and we’ll schedule a tech to your San Gabriel home.
We Also Serve Cities Near San Gabriel
Our crews cover San Gabriel and the surrounding communities, including San Marino, Temple City, Alhambra, and Rosemead. If you need a Furnace Repair tech at a home in any of these areas, the same written pricing and one-year guarantee apply. Dispatch and scheduling are coordinated from our Los Angeles office, with crews serving San Gabriel locally.
Serving San Gabriel, CA - Our Local Coverage Area
We’re based in the San Gabriel 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 San Gabriel
It depends on why it’s tripping. In San Gabriel’s 1920s bungalows and 1960s tract homes, the cause is often undersized or blocked return-air paths, which drives static pressure above the 0.5 in. w.c. spec and forces the furnace to shut down. If the furnace is under 12 years old and the heat exchanger is intact, correcting the return ductwork often solves it for good. If the furnace is older and the heat exchanger is cracked, replacement is the honest call. We’ll test static pressure and inspect the heat exchanger before recommending anything. Call (361) 306-9515 to schedule a diagnostic in San Gabriel.
Most furnace repairs in San Gabriel run $150 – $700. An ignitor replacement is usually $180 – $320. A capacitor is $150 – $250. A blower motor or gas valve runs $350 – $700. A heat exchanger replacement on an older furnace can exceed the range, and at that point we give you repair-versus-replace pricing in writing. Estimates are free, and the price is set before any work begins.
SEER2 is a cooling-season efficiency rating, not a heating one. For furnaces, the number that matters is AFUE. An 80% AFUE furnace turns 80% of its gas into heat; a 96% AFUE unit wastes almost half as much. San Gabriel winters are mild, so the difference shows up over years, not weeks. We’ll show you the math for your specific home before you decide. Call (361) 306-9515 for a written quote.
Yes. A load calculation measures your home’s actual heating demand, including window area, insulation, orientation, and duct condition. In San Gabriel, two houses on the same block can have different needs: a 1920s bungalow near the Mission District and a 1960s tract home off Del Mar Avenue don’t heat the same. A furnace that’s too big short-cycles and wastes gas; too small leaves you cold. We run the calculation before recommending a replacement, and it’s part of any install quote.
We service both. Boilers are common in older San Gabriel homes, particularly around the Mission District. Boiler repairs typically fall in the same $150 – $700 range as furnace work, and we carry common circulator pumps, pressure valves, and expansion tanks. If your boiler is banging, leaking, or not holding temperature, call (361) 306-9515 for a free estimate.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving San Gabriel.