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 Antioch
When your furnace quits on a cold Antioch night, you need a repair crew that picks up the phone and shows up ready to work. Most furnace repairs in Antioch run $150 – $700 depending on the part, and our service techs are on call 24/7 for no-heat emergencies in neighborhoods from Antioch’s historic Rivertown to Contra Loma. We’re a Garrison Partners company operating under The Garrison Standard since 2003, which means the price goes in writing before any work starts, and the repair carries a written one-year guarantee. Call (361) 306-9515 and a live person answers, day or night.
Why Dalton Heating & Air Is Antioch’s Preferred Furnace Repair Company
Antioch homeowners have a right to be skeptical of furnace repair companies. Too many have been burned by no-shows, padded invoices, and techs who don’t actually diagnose the problem. Our crews arrive inside the stated window, wear uniforms, and carry background checks. The technician who rings your doorbell is the technician our dispatcher said was coming. We service nine major residential HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard.
Marco Benitez leads our Antioch-area furnace repair team with a straightforward rule: diagnose the actual fault, quote the actual fix, and don’t sell a replacement when a $200 part solves it. That discipline is written into The Garrison Code, and it’s why Antioch customers keep our number in their phones. If a repair fails within the guarantee period, we return at no charge. Not a credit, not a discount. A free second visit to make it right.
Gas Furnace Repair in Antioch
Gas Furnace Repair in Antioch means getting a furnace that’s been idle since March to fire reliably on the first 40-degree morning of the year. The Delta’s damp winter air settles into burners and controls, and months of summer idleness let dust and corrosion build on components that only matter when the heat kicks on. A typical gas furnace repair in Antioch runs $150 – $700, with most calls landing between $200 and $400 once our tech identifies the failed part and puts the price in writing.
Flame Sensor and Igniter Service
When your furnace clicks but won’t fire, the usual suspects are a fouled flame sensor or a cracked igniter. Humidity from the Delta accelerates the crust that forms on the sensor rod, and an igniter that sits untouched all summer can fail the moment you push the thermostat up. We clean, test, and replace these parts the same visit.
Gas Valve and Safety Control Inspection
A furnace that fires but won’t stay lit often points to the gas valve or a failing pressure switch. This is safety equipment first, and we never cut corners here. Our techs verify gas pressure, valve operation, and flue draft before calling the system good, and every repair carries the one-year written guarantee.
Furnace Tune Up in Antioch
Furnace Tune Up in Antioch should happen before the first cold snap, not during it. A tune-up runs $80 – $200 and includes a full safety inspection, combustion analysis, filter replacement, and cleaning of the flame sensor, burners, and condensate lines. Antioch’s pattern of idle summers followed by hard winter demand means the fall service window matters more here than in milder parts of the Bay Area.
Pre-Season Ignition Check
We test the complete ignition sequence: inducer motor, pressure switch, igniter, flame sensor, and gas valve. Small problems caught in September or October become $80 fixes instead of $400 emergency calls in December. The technician writes down what was checked and what was found, so you’re not taking anyone’s word for it.
Heat Exchanger and Combustion Verification
A cracked heat exchanger will put carbon monoxide into your living space, and the Delta’s temperature swings stress these components over years of hard winter cycles. We test with a combustion analyzer on every tune-up and show you the numbers. If there’s a problem, you get a written quote before we touch a single part.
Trusted Brands We Service in Antioch
Our techs carry parts for Rheem, York, Daikin, and Bryant furnaces, plus Carrier and Trane, so most repairs in Antioch wrap up the same day. We stock common failure items like igniters, flame sensors, pressure switches, and blower capacitors in our service vehicles, which saves a second trip across town from Somersville Road to Lone Tree Way. When a part needs ordering, we tell you upfront and schedule the return visit before we leave your driveway.
Common Furnace Repair Problems We See in Antioch Homes
- No-heat on the first cold morning. This is the signature Antioch furnace failure. A furnace that sat idle through summer collects dust, moisture, and corrosion on the flame sensor and igniter. When you finally call for heat in November or December, those parts fail to fire. We see it across Somersville Road, East 18th Street, and every neighborhood where the Delta air sits heavy in the fall.
- Short cycling and limit-switch trips. A furnace that starts, runs three minutes, shuts off, and repeats is often tripping the high-limit switch because of restricted airflow or a dirty flame sensor. Our techs test the full ignition cycle and the safety limits rather than just resetting the fault code.
- Weak airflow and cold spots. The blower motor that pushed AC through your house all summer is the same one now trying to move heated air. A failing capacitor or worn blower wheel shows up first as weak heat, and it fails more often in Antioch because the blower runs year-round between cooling season and heating season.
- Cracked or rusted heat exchangers. The stress of long off-cycles followed by sudden full-load runs in the Delta’s temperature swings takes a toll on heat exchangers. Rust from condensation and thermal expansion cracks are common in furnaces seven years or older. We catch these on tune-ups before they turn into a safety hazard, and we verify every repair with a combustion analyzer.
Pricing for Furnace Repair in Antioch, CA
| Service | Price Range in Antioch |
|---|---|
| Gas Furnace Repair | $150 – $700 |
| Furnace Tune Up | $80 – $200 |
We Also Serve Cities Near Antioch
Our Furnace Repair crews cover Oakley, Pittsburg, Clayton, and Brentwood, with Antioch as the hub for most of our East Contra Costa dispatch. If you’re just across the city line in any of those towns, same-day service is usually within reach. See our Furnace Repair in Antioch page for local coverage details.
Serving Antioch, CA - Our Local Coverage Area
We’re based in the Antioch 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 Antioch
Repair, almost certainly. The first cold snap is when fouled flame sensors and cracked igniters show up, and those are $150 – $400 fixes, not replacement territory. A tech should test the ignition sequence, clean the sensor, check the igniter, and verify gas pressure before anyone recommends a new unit. If the heat exchanger tests clean with a combustion analyzer, you fix the part and move on. Call (361) 306-9515 and we’ll put the diagnosis in writing.
We look at the heat exchanger first, then the age and repair history. A cracked heat exchanger on a furnace under 10 years old is often worth replacing the heat exchanger, since the rest of the unit still has life. The same crack on a 15-year-old furnace usually means a new system makes more sense, especially if the blower motor or gas valve has already been replaced once. We show you the combustion analysis numbers and the repair cost in writing, then let you decide.
A proper load calculation sizes your furnace to your actual house, not to a rule of thumb. Antioch homes built in the 1970s and 1980s along streets off Lone Tree Way often have different heat loss than newer construction near the rolling hills east of Highway 4. An oversized furnace short-cycles, wastes gas, and stresses the heat exchanger. If you’re replacing anyway, a load calc ensures the new unit runs efficiently in Antioch’s dual-season climate.
SEER2 is a cooling-efficiency rating, but it matters for your furnace because most Antioch homes run a matched system: furnace plus AC on a shared blower and coil. A new high-efficiency AC with a higher SEER2 rating often needs a matching blower motor or coil in the furnace cabinet, which changes the repair-versus-replace math. Our techs walk you through the real numbers, including what the efficiency difference means on your actual PG&E bill.
Every fall, before the first cold snap. Antioch’s pattern of long idle summers and sudden winter demand means a pre-season inspection catches the failures that hit hardest in December. A tune-up runs $80 – $200 and includes combustion testing, ignition verification, filter replacement, and a written report of what was checked. Schedule before November and you skip the rush. Call (361) 306-9515 to book.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Antioch with furnace repair, tune-ups, and honest guidance since the company’s founding in 2003.