Heating Repair in Keller, TX
Fast, honest, flat-rate residential furnace and heat pump repair in Keller. Diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.
How Much Does Heating Repair Cost in Keller?
Furnace repair in Kellerstarts at $85 for the diagnostic (waived with any repair). Most common heating repairs fall in the $250-$1,300 range. We're flat-rate, which means the price quoted before we start is the price you pay at the end. Frosty Club members save 10-15% on every repair.
| Repair | Regular Price | Frosty Club Member |
|---|---|---|
| Diagnostic / service call(Waived with repair) | $85 | $72.25 |
| Furnace ignitor replacement | $400 | $340 |
| Flame sensor replacement | $400 | $340 |
| Pressure switch replacement | $250 – $550 | $212.50 – $467.50 |
| Pilot assembly replacement | $350 – $550 | $297.50 – $467.50 |
| Gas valve replacement | $400 – $1,200 | $340 – $1,020 |
| Inducer motor replacement | $500 – $1,300 | $425 – $1,105 |
| Blower motor (standard) | $750 – $1,500 | $637.50 – $1,275 |
| Blower motor (ECM) | up to $2,800 | up to $2,380 |
| Control board (universal) | $500 | $425 |
| Control board (ECM / modulating) | up to $3,500 | up to $2,975 |
| Thermostat (basic) | $350 | $297.50 |
| Thermostat (programmable) | $500 | $425 |
| Cracked heat exchanger(CO safety — never repaired) | FULL FURNACE REPLACEMENT | FULL FURNACE REPLACEMENT |
Cracked Heat Exchanger: Safety First
A cracked heat exchanger means combustion gases — including carbon monoxide — can leak into your home's air supply. We NEVER repair a cracked heat exchanger. The only safe fix is a full furnace replacement. If I find a crack during diagnostic, I red-tag the unit on the spot and show you our three replacement tiers. Learn more about CO safety at the EPA.
Save More with Frosty Club
Basic ($99/yr):10% off all services | Premium ($300/yr): 15% off + $500 repair credit + 2 free tune-ups (fall heating + spring AC)
Join Frosty ClubWhat Are the Most Common Heating Problems in Keller?
Texas winters are mild, but furnaces still need regular service — and when they fail on a 28°F January morning, they tend to fail all at once. Here's what I see most often on Kellerheating calls, and what each one typically costs to fix.
Furnace won't ignite
Failed hot-surface ignitor ($400) or coated flame sensor ($400). Both are same-day fixes. The $85 diagnostic identifies the exact cause.
Blowing cold air instead of hot
Usually a failed ignitor, bad flame sensor, or a stuck gas valve. We run a combustion analysis to confirm the exact cause before quoting.
Loud buzzing or grinding
Dying inducer motor ($500-$1,300) — the draft fan pulling combustion gases through the heat exchanger. Replace before it takes out the control board.
Short cycling (on/off/on/off)
Dirty flame sensor, failing limit switch, or restricted airflow. Can be an early warning of a heat exchanger issue — we diagnose carefully.
Gas smell or CO alarm
EMERGENCY — leave the house, call Atmos Energy at 866-322-8667, then call us. We locate the leak source and repair or red-tag as required.
Cracked heat exchanger
Carbon monoxide risk — NEVER repaired. Full furnace replacement required for safety. We confirm with combustion analyzer and bore-scope inspection.
Why KellerHomeowners Trust Frosty's for Heating Repair
North Texas doesn't have Chicago winters, but Keller still sees 20-30 freeze nights a year, and that's plenty to expose every weak point in a furnace that sat unused from April to October. What makes Keller different from older DFW cities is that most homes here have TWO furnaces — one per zone — which means twice the ignitors, flame sensors, inducer motors, and heat exchangers that can fail. The calls we get from Hidden Lakes, Marshall Ridge, Estancia, and Bloomfield in December and January are dominated by failed hot-surface ignitors ($400), dirty flame sensors ($400), and stuck or failed gas valves ($400-$1,200). The tricky part is figuring out which zone is the problem — upstairs cold doesn't always mean the upstairs furnace is dead.
The heat exchanger is the one I worry about most — and on dual-furnace Keller homes, we inspect BOTH heat exchangers on every heating diagnostic. Crack a heat exchanger and you get carbon monoxide in the supply air, and on a two-story home with the upstairs furnace in the attic, that CO gets blown into the bedrooms where people sleep. Every heating diagnostic we do in Keller includes a CO test at the supply register on each zone. If I see rust, scale, or flame impingement, I tell you straight — we'll condemn the furnace and quote a replacement. I'd rather lose a repair job than let a family breathe CO.
Many newer Keller homes — especially those built 2005 and later in Marshall Ridge, Estancia, and The Oaks of Fossil Ridge — have heat pumps instead of gas furnaces. Winter failures on heat pumps look different: failed defrost boards, bad reversing valves, and TXV issues on the outdoor unit. Heat pumps run in cooling mode briefly during a defrost cycle to melt ice off the outdoor coil, so steam off the outdoor unit on a cold morning is normal — not a problem. Call (469) 254-0548 and we'll diagnose whatever's actually wrong for $85 (waived with repair). Keller is 35 minutes from our shop, so book early in a freeze week — schedules fill fast.
Neighborhoods we serve in Keller: Hidden Lakes, Marshall Ridge, The Oaks of Fossil Ridge, Bloomfield, Estancia, Shady Grove
Why Our Credentials Matter for Heating Repair
TACLA126718E
Texas HVAC Contractor License held by Mariafernanda Jacobo. Issued and regulated by the Texas Department of Licensing and Regulation.
EPA 608 Universal
Omar Jacobo, #2396328. Required by the U.S. EPA for any refrigerant work on heat pumps (R-22, R-410A, R-454B, R-32). Also ensures safe combustion analysis standards.
Energy Star Partner
Replacement heating systems meet or exceed U.S. Department of Energy minimums. 90%+ AFUE furnaces and ENERGY STAR heat pumps qualify for some utility rebates.
Learn more about our credentials on our About page or visit omar-jacobo.com.
Heating Repair FAQ for Keller, TX
How much does furnace repair cost in Keller, TX?
Diagnostic $85 flat (waived with repair). Common Keller furnace repairs: hot-surface ignitor $400 ($340 for Frosty Club members), flame sensor $400 ($340), gas valve $400-$1,200 ($340-$1,020), inducer motor $500-$1,300 ($425-$1,105), pressure switch $250-$550. On dual-furnace homes, we quote each zone separately so you know exactly what you're paying for. Flat-rate, no surprises.
Is my Keller furnace safe to run if the heat exchanger is cracked?
No. A cracked heat exchanger leaks combustion gases — including carbon monoxide — directly into your supply air. On a two-story Keller home with an upstairs attic furnace, that CO blows straight into the bedrooms. We don't repair cracked heat exchangers because they can't be safely welded back to spec. Instead, we quote a full furnace replacement. Every Keller heating diagnostic includes a heat exchanger inspection and CO check on each zone.
Do you repair heat pumps in Keller?
Yes. Newer Keller homes in Marshall Ridge, Estancia, and The Oaks of Fossil Ridge often have heat pumps instead of gas furnaces. Common heat pump failures include defrost board faults, failed reversing valves, and outdoor TXV issues. We service Carrier, Trane, Goodman, Lennox, Rheem, and all major residential brands, including communicating dual-zone systems common in Keller custom homes.
Why does only one zone of my Keller home have no heat?
On a dual-furnace Keller home, one zone being out while the other works means the failure is in that specific zone's furnace — most commonly a flame sensor, ignitor, or pressure switch issue. Sometimes it's a zoning board that's told the damper to close and stopped calling for heat. The $85 diagnostic identifies which component, which zone, and flat-rate pricing for the repair.
My Keller furnace smells like something burning — should I call?
First time in the fall — that's usually dust burning off the heat exchanger and goes away in a few minutes. Normal. If the smell persists, is electrical, or smells like gas, shut the system off at the thermostat and call us at (469) 254-0548. Electrical smells mean an overheating motor or wiring; gas smell means leave the house and call the gas company first. On dual-furnace homes, shut off both zones if you're unsure which side the smell is coming from.
Related Services & Resources
Need Heating Repair in Keller Right Now?
Call us or request service online. Same-day appointments available for Keller homeowners during winter cold snaps. Flat-rate pricing — no surprises, no hourly charges, no upsell scripts.
Written by Omar Jacobo, EPA 608 Universal Certified Lead Technician at Frosty's HVAC LLC. Licensed TACLA126718E.
Written by
Omar Jacobo
EPA 608 Certified Technician (#2396328) | Co-Owner, Frosty's HVAC LLC
Omar has been serving local homeowners since 2018. Learn more
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