No heat in Yukon? Answered, 24 hours.
Canadian County is one of the seven counties I run every day, about 30 miles down US-81 from my shop in Kingfisher. Real prices before I drive out: $210 flat in normal hours, $309 after hours, and a written repair price before I pick up a tool.
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Dave Hartzell, owner of Hartzell’s Heat & Air, 602 S Main St, Kingfisher. I hold an Oklahoma Master HVAC license and IGSHPA accreditation for geothermal, my techs are NATE certified, and I am a Trane Comfort Specialist (TCS SELECT) dealer and a Mitsubishi Diamond Dealer. 47 years in the trade, and 15+ years running my own shop in Kingfisher.
Last updated September 23, 2026.
What after hours actually costs
Most of the people who find this page are looking at a dark thermostat at nine at night. So here is the number first, before the sales talk: after hours residential is $309, which is $198 dispatch plus the $111 diagnostic. Normal hours is $210. Neither one is credited against the repair, and the repair is quoted in writing before I start it.
- A person answersYou get a human on the phone, not a form to fill in and wait on.
- Same day where the schedule allowsNo-cool and no-heat calls go first. I will tell you the honest next opening.
- The price does not move at nightGeothermal stays $348 flat whatever the hour, and light commercial stays $389 flat, day or night.
- Safety first, alwaysGas smell, a carbon monoxide alarm, smoke or arcing: get out of the house, call the gas utility or 911 from outside, then call me. That advice is free and it comes before any talk about a service call.
Two sides of town, two different problems
Yukon has two housing stocks and I work both every week from May through September. Knowing which one I am walking into changes what I check first.
- Attic air handlers, 1990s and 2000s subdivisionsIn a Yukon July that attic hits 140 degrees by two in the afternoon. The duct runs through an oven, and after fifteen or twenty years there are always leaks, so cooled air bleeds into the attic before it reaches a register. The system runs longer, the bill climbs and the compressor dies young. Sealing the duct and insulating above the runs is the fix. Sometimes the right answer is moving the air handler into conditioned space.
- Undersized equipment in newer buildsA system that is too small for the house, made worse by thin insulation. It runs constantly in August and still will not hold 75. An ACCA Manual J load calculation catches it before you spend money repeating it.
- 1970s and 1980s ranchesOriginal equipment patched with whatever cheap part fit. By the time it gets to me the compressor is tired, the line set is undersized for a modern refrigerant and the breaker is wrong.
- Heat pumps running year roundOut here they work both seasons, so when one quits it is a priority. Reversing valve, defrost board, or auxiliary strips running when they should not be.
- Frozen coils and ice on the linesAirflow or charge, and it is worth shutting the system off before the ice reaches the compressor.
- Capacitors and contactorsThe most common single repair in an Oklahoma summer, and usually a same-visit fix.
Repair, replace, ductless, geothermal
Repair
Every major brand, common parts on the truck, written price before the work.
$210 flat, $309 after hoursReplacement
Trane, as a Trane Comfort Specialist (TCS SELECT) dealer, plus Amana and Mitsubishi as a Mitsubishi Diamond Dealer. Every system sized by load calculation, never by copying the tonnage on the old box. Install labor carries one year.
Estimate freeReplacement optionsGeothermal
IGSHPA accredited. West of town the land makes a horizontal loop field practical without drilling a small lot. Free Saturday and Sunday consultation.
Diagnostic $348 flatWhat a geo visit coversNo ductwork in the shop, the barn, the addition or the sunroom? Mitsubishi ductless covers those. Holding somebody else’s quote? Free second opinion.
How much does AC repair cost in Yukon?
Typical installed ranges. Your exact price is confirmed on site, in writing, before work starts.
✦ Yukon repair menu ✦
Seasonal tune-up $229, weekdays 7am to 3pm · Plans from $199 a year · Financing covers repairs too
What happens when I get there
- The easy things firstThermostat, filter, breaker, outdoor disconnect. The equipment stays closed until those are ruled out.
- Electrical under loadCapacitor microfarads, contactor pitting and coil voltage, compressor amp draw.
- Refrigerant on calibrated gaugesSuperheat and subcooling against the maker’s spec. A leak gets found and repaired under EPA Section 608 rules.
- Airflow and coilsStatic pressure, blower speed and amps, evaporator and condenser condition.
- Written price, then you decideYou know the number before I touch a wrench.
Furnace repair in Yukon: what no heat usually turns out to be
When a front pushes through Yukon, Mustang and out toward the Bridge Creek edge in November or January, my phone starts before sunrise. About half the no-heat calls I take here turn out to be a part off the truck and less than an hour of labor, not a furnace replacement. The other half are worth a serious conversation, and I will tell you which one you have before I start the work.
- A furnace that will not lightUsually the ignitor or the flame sensor. A dirty flame sensor makes a furnace light, run a few seconds and shut off, over and over. It is a cheap fix and a common one.
- Cracked heat exchangerThis is the one I will not negotiate on. Combustion air and the air you breathe are supposed to stay on opposite sides of that steel. If it is cracked, the system gets shut down and you and I talk about what comes next.
- Auxiliary strips running when they should notA heat pump with the backup electric heat energised in 30 degree weather will heat the house and wreck the power bill. Usually a defrost board, a sensor or a thermostat that was never configured for a heat pump.
- Blower motor quitNo air at all, or air that never gets warm. Indoor motor, capacitor or the control board.
- Heat pump stuck in coolingReversing valve or the control telling it the wrong thing. Common on the older suburban stock where the thermostat has been swapped by somebody who guessed.
- Gas smell or a CO alarmLeave the house first. Call the gas utility or 911 from outside, then call me. I will not troubleshoot that over the phone while you stand in it.
Every major brand: Trane, Carrier, Lennox, Goodman, Rheem, RunTru and American Standard. I am Master HVAC licensed, my techs are NATE certified, and I have 47 years in the trade. Heating work is the same $210 flat in normal hours and $309 after hours, with the repair quoted in writing before it starts.
AC service and furnace maintenance in Yukon
A tune-up in Yukon is $229 on a weekday between 7am and 3pm, on the day you pick where the schedule allows. On a maintenance plan the visits run on my schedule: we agree a general week, and that is why a plan visit costs less. One Visit Spring or Fall 360 is $199 a year, Spring and Fall 360 is $360 and Full Year 360 is $499. Here is what my techs actually wrote down on Yukon maintenance visits, not a brochure checklist:
- Two gas furnaces, October 2024Both run through a full heating cycle, carbon monoxide checked at 0 ppm, supply and return temperatures and blower and inducer amps measured. Both flame sensors were dirty, the early sign of the light-and-shut-off problem above, and that went on the report so the owner could decide.
- Three systems, June 2024All three condenser coils washed and every filter size photographed so the right filters came on the second visit. A weak 10 MFD capacitor on the downstairs system was replaced before it quit in July, and a second one reading 53 on a 55 rating was written down rather than sold.
- Garage unit, May 2025The second plan visit of the year found a bad blower motor on the garage system and a failing capacitor outside on the same system. Both were replaced and both units were cooling when my tech left.
Recent furnace, AC and geothermal jobs in Yukon
My records since 2017 show 40+ completed jobs with a Yukon address, all in 73099. A few of them, by month, never by house:
- AC leaking refrigerant, March 2026Pressure tested with nitrogen and UV dye to find the leak, which turned out to be a pinhole in the condenser coil. Brazed, pressure tested again, evacuated and recharged. A leak gets found and fixed, not topped off every summer.
- Church replacement, August 2026Two 1995 Lennox systems on R-22, 31 years old, replaced with two Trane 10-ton twin downflow systems on R-454B: two condensers, four furnaces, four coils and duct smoke detectors. Sized and quoted in writing, with Trane or Amana offered.
- Geothermal compressor, fall 2023A geothermal unit diagnosed in September with a leaking coil and a grounded compressor. The compressor was replaced and the system recovered, evacuated and recharged in December.
- ClimateMaster geothermal, February 2025The blower motor stopped while my tech was watching it, so he replaced it. Then the compressor would not start, and working through it with ClimateMaster tech support he traced that to the control board, and after that to a failed high pressure switch. Three faults stacked on one unit, found one at a time instead of guessed at.
- Heat pump stuck in heat, April 2023The O wire, the one that tells a heat pump to switch into cooling, had broken, so the system could only heat. Rewired, cycled in both modes, running.
- Radiant floor heat, February 2024A hydronic floor heating loop had lost its water. My tech located the leaking loop, isolated it, flushed the system through a flush cart and filter, added glycol and got the boiler heating the house again.
More are mapped on real jobs by town.
Coverage, and the honest version of drive time
Yukon proper is 73099, and I work the whole town: the established neighbourhoods around Surrey Hills, Mulberry Hills and Country Club Estates, the 1990s and 2000s build-out through Cobblestone Creek, Stone Hollow and Indian Hills, and the newer phases on the north and west edges. Mustang and Piedmont are next door and I cover both the same way.
On timing I would rather be straight than impressive. My shop is about 30 miles northwest on US-81, and Canadian County is on the daily route, so Yukon is normal work rather than a special trip. My job records since 2017, when my current job system starts, show 40+ completed jobs in Yukon, 45+ in Piedmont and 20+ in El Reno. What I will not do is promise you a specific arrival hour on the phone before I know where the truck is. Call, and you get the real next opening instead of a window that slips.
A permit is required for equipment replacement in the Yukon city limits, and that is my job to pull and handle, not yours. If your HOA has rules about where a condenser can sit or how it has to be screened, tell me at the estimate and I will design around it rather than discovering it on install day.
Wheat town, Route 66, and a water tower that says Yukon’s Son
Most people outside Oklahoma know Yukon because Garth Brooks grew up here. There is a water tower on Main Street that says Yukon’s Son and the street through town is Garth Brooks Boulevard. Before it was an OKC suburb it was a wheat shipping town: the Yukon Mill and Grain Company ran from the 1890s and Yukon’s Best flour was a known brand. Czech and German settlers built the place around the Rock Island Railroad and the grain elevator, and the Czech Festival still runs every October.
The reason that history matters to me is the building stock it left behind. The old side of town is ranches with patched builder-grade equipment. The new side is one of the fastest growing suburbs in the metro, where getting the load calculation and the sizing right on day one is the difference between a system that runs twenty years and one that short cycles every August. I am closer than most OKC based companies and I do not treat Canadian County as an afterthought.
Most of Yukon proper is on OG&E, whose Oklahoma residential rebates are closed for 2026 and expected back in 2027. Further out you may be on a co-op instead, and those programs are live. Between 2015 and 2024 OG&E’s residential rate rose about 18 percent while some co-ops around here barely moved, which is measured here from the federal filings rather than guessed at.
Straight answers
How much does AC repair cost in Yukon, OK?
The service call is $210 flat: $99 dispatch plus $111 diagnostic. The diagnostic is not credited against the repair. After hours is $309, which is $198 dispatch plus $111 diagnostic and is not refundable. The repair itself is quoted in writing before I start, and most common repairs land between $150 and $850.
How much does furnace repair cost in Yukon, OK?
The visit is $210 flat, $99 dispatch plus $111 diagnostic, and $309 after hours. A dirty flame sensor or a failed ignitor is usually fixed on the same visit. A cracked heat exchanger means the furnace gets shut down and we talk about what comes next. Either way the repair price is in writing before I start.
Do you do after hours and weekend calls in Yukon?
Yes. After hours residential is $309 flat, and a real person takes the call. Same day happens where the schedule allows, and no-cool and no-heat calls go to the front of the line. I will tell you the honest next opening rather than promise a window I cannot hold.
How fast can you get to Yukon from Kingfisher?
I am about 30 miles northwest on US-81, and Canadian County is one of the seven counties I run every day, so Yukon is a routine stop rather than a special trip. The honest answer on timing is that it depends on where the truck already is that day. Call and I will tell you the next real opening.
What HVAC problems are most common in Yukon homes?
Two patterns, depending on which side of town you are on. In the 1990s and 2000s subdivisions it is the air handler in a 140 degree attic with leaky flex duct bleeding cooled air before it reaches a register. In the 1970s and 1980s ranches it is an original system that has been patched for years, with an undersized line set and a breaker that does not match the equipment.
My Yukon house is newer but the AC still cannot keep up. Why?
Usually because the equipment was sized by a guess instead of a load calculation. A lot of production builders dropped in a system that was too small for the house, with mediocre insulation, and called it done. That system runs flat out in August and still will not hold 75. Replacing it like for like just repeats the mistake, which is why I run the numbers before I quote.
Do you install geothermal around Yukon?
Yes, and the land west of town is what makes it practical. On a few acres a horizontal loop field goes in without the drilling a small city lot would need. A geothermal diagnostic on an existing system is $348 flat, any hour. Consultations, evaluation and sizing are free on Saturday and Sunday, and for geothermal I travel across Oklahoma and most bordering states as availability allows.
Are there rebates for HVAC in Yukon?
Most of Yukon proper is OG&E, and OG&E’s Oklahoma residential rebates are closed for 2026, expected back in 2027. Out in the county you may be on a co-op instead, and the co-op programs are live and different from each other. Tell me who sends your power bill and Shelby or I confirm the current program before anybody quotes a number. I will not guess at rebate money.
Do you offer tune-ups and maintenance plans in Yukon?
Yes. A standalone tune-up is $229 on a weekday between 7am and 3pm. If you would rather have it covered, the plans are One Visit Spring or Fall 360 at $199 a year, Spring and Fall 360 at $360, and Full Year 360 at $499. The two upper tiers carry ten percent off repairs, capped at $300 per repair, and the top tier waives the $198 emergency dispatch twice a plan year, though the $111 diagnostic still applies.
Do you work on every brand?
Yes. Trane, Carrier, Rheem, Goodman, Lennox, American Standard, RunTru and whatever the previous owner left behind. Brand does not limit the diagnosis, and common parts ride on the truck.
Have you done much HVAC work in Yukon?
Yes. My job records since 2017 show 40+ completed jobs with a Yukon address, 45+ in Piedmont next door and 20+ in El Reno, and Canadian County is on my daily route from Kingfisher. The years before 2017 are not in that system.
Tell me what it is doing
Warm air, ice on the lines, water on the floor, a hum with no fan, or no heat at six in the morning. Describe it and I will tell you straight what I think it is before I drive out. Free geothermal consultations Saturday and Sunday.
Call 405-375-4822Yukon, Mustang, El Reno, Piedmont and the rest of Canadian County. Nearby: Canadian County, Mustang, El Reno, Piedmont, Edmond. Real jobs by town.
