15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served
Straightforward pricing
- $99 dispatch on every truck roll. Free on new-install estimates.
- $210 flat residential service call: $99 dispatch plus $111 diagnostic. The diagnostic does not reduce the repair price.
- $99 back: accept my written repair estimate within 10 days and I give the $99 dispatch fee back.
- Free estimates on new installs. No charge to walk through replacement options.
Call (405) 375-4822. 4.8 stars, 300+ Google reviews.
2026 Repair Reality (Honest Pricing)
- R-454B and R-32 refrigerants now standard on new equipment. Both are mildly flammable A2L. R-454B recovery $445, R-32 recovery $395. About 50% pricier per pound than R-410A. I stock both.
- Hard Start Kit $415 installed + BEST surge protection bundle $1,225 (control board spike + transformer + in-line fuse). One $1,225 surge fix beats one $3,195 compressor replacement after Oklahoma lightning.
- Free second opinion on any repair quote. Most competitors charge or refuse. Weekday mornings, repair customers welcome. Call 405-375-4822.
HVAC Service Near Me in Guthrie, Oklahoma
I run HVAC service in Guthrie, Oklahoma, about forty-five minutes east of my Kingfisher shop. I hold an Oklahoma Master HVAC license backed by forty-five years of hands-on experience, so when I come out you are getting the person who actually fixes the problem, not a salesperson. Out here in Logan County, what I see most is older ranch homes with split-system heat pumps that wear out around the fifteen year mark. Call 405-375-4822 or book at hartzellsheatair.com and I will get you scheduled.
Every April, Guthrie celebrates Land Run Days, a living history event that draws families from across the state to reenact the original rush. If you have never walked those brick streets during that weekend, it is worth the drive. The historic district is a National Historic Landmark, and the architecture tells you exactly how confident those early settlers were about what Guthrie was going to become.
Common HVAC Issues We Fix
- AC not cooling or weak airflow
- Short cycling or high energy bills
- Loud compressor or unusual smells
- Heat pump stuck in cool mode / no heat in winter
- Aging system, replacement with flexible financing
AC Repair · Heat Pumps · Geothermal · Maintenance Plans
Guthrie: Oklahoma’s First Capital, and My Most Historically Complex Service Area
Guthrie was Oklahoma’s first territorial capital. When the state capital moved to Oklahoma City in 1910, Guthrie held onto its architecture and never let go. The entire downtown is a National Historic Landmark district now, one of the largest collections of intact Victorian commercial buildings in the United States. The Masonic Temple alone is one of the biggest Masonic buildings in the world. Walk a block in any direction and you’re looking at buildings from 1889 to 1910 that were built when coal furnaces and radiator heat were the standard. Nobody put in ductwork because forced air didn’t exist yet.
That history is exactly why HVAC work in Guthrie takes more thought than a standard swap-out. I’ve been inside homes out there where the ductwork was added sometime in the 1960s, routed through spaces that were never designed for it, connected to equipment that’s been cobbled together across three different decades. The walls are plaster, sometimes brick cavity, with no modern insulation. When I do a retrofit in one of those Victorian-era houses, I’m thinking about ductwork routing that doesn’t wreck the original character of the space, proper load calculations based on the actual envelope, and equipment sizing that matches the real heat loss, not just a rule of thumb. It’s craft work. Forty-five years in HVAC and Guthrie still gives me new problems to solve.
The newer subdivisions spreading north and east tell a different story, standard construction, straightforward installs. But if you’re in an older Guthrie home and you’ve had three different HVAC guys tell you three different things, call me. I’ll give you a straight answer on what the system actually needs.
A lot of those calls turn out to be a reversing valve or defrost board, the heat pump parts general techs miss. Here is more on my heat pump repair across central Oklahoma and how I get to the root cause in one visit.
Services in Guthrie & Logan County
AC Repair
Capacitor, contactor, refrigerant, blower motor, coil cleaning. $111 diagnostic. Upfront pricing before any work begins..
Heating Repair
Furnace ignitors, gas valves, heat exchangers, heat pump reversing valves and defrost boards. 24/7 emergency service.
HVAC Replacement
Trane TCS SELECT, Carrier, Mitsubishi, ClimateMaster geothermal. Free estimates, same-day installations available.
Geothermal Installation
IGSHPA Accredited Installer. Rural Logan County properties are good candidates, land for loop fields, lower utility costs long-term.
Maintenance
Tune-Up PMA at $138/yr. Dave’s 360 Plan: annual maintenance with no dispatch fee on covered visits and discounts on repairs.
Ductless Mini-Splits
Mitsubishi Diamond Dealer. Additions, historic homes, and spaces that can’t be ducted efficiently.
HVAC in Guthrie’s Historic Homes
Guthrie has one of Oklahoma’s largest historic districts, Victorian-era homes with original plaster walls, uninsulated attics, and ductwork that’s been added over the decades in creative ways. HVAC work in older Guthrie homes requires a different approach than a standard new-construction install.
Common situations we handle in older Logan County homes:
- Ductwork sizing and replacementoriginal ducts often can’t handle modern high-efficiency equipment
- Manual J load calculationswe size equipment to the actual house, not a rule of thumb
- Zoning systemstwo-story Victorians benefit from separate zones for upstairs and downstairs
- Ductless mini-splits, for additions or rooms that the main system doesn’t reach effectively
- Heat pump conversionsmoving off oil or propane to a more cost-effective heating source
Geothermal in Rural Logan County
Rural properties west and north of Guthrie are good candidates for geothermal, acreage gives you loop field options that city lots don’t. A horizontal loop field on a few acres costs less to install than a vertical borehole system in town, and the long-term operating costs are the same.
Oklahoma utility rebates for geothermal remain active in 2026 through several programs. Central Electric Cooperative and OG&E both serve parts of Logan County, call us to confirm which rebates apply to your address before you schedule.
HVAC Services I Provide
Ready to Schedule?
Call 405-375-4822 or book online. Same-day appointments often available.
About Guthrie, Oklahoma
Guthrie is Oklahoma’s first territorial capital and one of the best-preserved Victorian downtowns in the southern plains. The historic district is a real HVAC challenge: 1890s, 1920s construction, steam boiler conversions, walls too thin for modern insulation, ductwork retrofitted through spaces that were never designed for it. Newer subdivisions are spreading north toward Coyle and east along I-35. OEC serves much of rural Logan County with $400-$700/ton geothermal rebates; OG&E covers Guthrie proper and the I-35 corridor at $1,000/ton. The older homes in Guthrie’s established neighborhoods need more careful equipment selection than a standard swap-out, that’s where 47 years of experience matters.
Nearby Communities I Serve
Furnace Repair in Guthrie OK
Logan County winters do not mess around. When a cold front rolls down through Guthrie, Cottonwood Creek, and the south Logan rural patch toward Coyle and Langston, my phone starts ringing the same morning. I work on every kind of furnace problem you see in this area: gas furnaces that will not light, dirty flame sensors, cracked heat exchangers, blower motors that quit, and heat pumps with auxiliary electric strips that should not be running 24/7 in 30-degree weather but are. About half the no-heat calls I take in Guthrie turn out to be a $20 part and 45 minutes of labor, not a furnace replacement.
My dispatch fee is $99 and the full diagnostic is $111 diagnostic, part of the $210 flat repair-call price. Accept the estimate within 10 days and I give the $99 dispatch back. I run same-day furnace repair in Guthrie when calls allow, and I service every major brand including Trane, Carrier, Lennox, Goodman, Rheem, and RunTru. I am Master HVAC licensed and NATE certified with 47 years of HVAC experience and 15+ years running my own shop. If the furnace is past saving, OEC rebates on replacement equipment run $200 to $325 per ton on air-source and $400 to $700 per ton on geothermal, and I handle the paperwork. Call 405-375-4822.
Pre-summer AC check, Guthrie 2026: Guthrie’s older homes and historic-district properties run AC systems that catch the brunt of August humidity off the Cimarron River. I run Pre-summer PMA tune-up visits across Logan County through May. Call 405-375-4822 to book.
Frequently Asked Questions, HVAC in Guthrie, Oklahoma
Can you retrofit central air conditioning into a historic Guthrie home?
Yes, and I have done it many times in Guthrie’s historic district. The challenge with Victorian and late-1800s construction is there is no chase space built in for ductwork. We work with high-velocity mini-duct systems (2-inch round runs that fit inside walls), or we use a ductless mini-split for individual rooms or zones. Either approach preserves the original construction and does not require tearing open plaster walls. If you are in the historic district and need to keep the exterior appearance intact, I can work within those constraints. Call 405-375-4822 for a free estimate.
What are common HVAC problems in Guthrie’s older homes?
Guthrie has some of the oldest housing stock in Oklahoma, homes built right after the April 22, 1889 Land Run when 10,000 people arrived in a single afternoon. Those homes have 10-foot or higher ceilings, which means the cubic footage a system has to condition is huge relative to the square footage. The other issue I see constantly is electric resistance heat from the 1970s. When propane and natural gas prices spiked, a lot of Guthrie homeowners converted to electric baseboard heat. It is expensive to run. Heat pumps are the right replacement and I can usually get the payback down to 3 to 5 years.
Does the Guthrie historic district limit what HVAC equipment I can install?
The historic district rules in Guthrie apply to exterior appearance, not to interior mechanical systems. You generally cannot put a window unit through a historic facade or mount equipment in a way that is visible from the street. Interior work, including ductwork, mini-splits with sleek wall cassettes, and basement or crawl space mechanical rooms, is typically fine. I can walk you through what is allowed and what the installation would look like before we commit to anything. Call 405-375-4822.
Are there heating and cooling rebates available in Guthrie, Oklahoma?
OG&E serves Guthrie and they offer rebates on heat pumps and geothermal systems. OG&E pays $1,000 per ton on geothermal and up to $1,500 per unit on qualifying HVAC. I handle the rebate paperwork as part of every install. Federal tax credits for HVAC expired December 31, 2025, so utility rebates are now the main incentive. Call 405-375-4822 and I will tell you what your specific system qualifies for.
Looking for HVAC near me in Guthrie?
Hartzell’s Heat and Air services Guthrie and all of Logan County. Call 405-375-4822 for AC repair, heat pump service, historic home retrofits, and geothermal installation. 4.8 stars and 300+ Google reviews.
HVAC Service in Guthrie & Logan County
Same-day repair available. Free estimates on replacement. 24/7 emergency service.
How much does furnace repair cost in Guthrie Oklahoma?
Most furnace repairs in Guthrie run between $200 and $600 with parts and labor included. The dispatch fee is $99 and the diagnostic is $111 diagnostic, part of the $210 flat repair-call price. Accept the estimate within 10 days and I give the $99 dispatch back. About half my no-heat calls turn out to be a flame sensor, igniter, or capacitor, which is a quick fix. If the heat exchanger is cracked or the unit is over 18 years old, I will give you straight numbers on repair vs replacement and let you decide. Free estimates on replacement. Call 405-375-4822.
Do you offer same-day furnace repair in Guthrie OK?
Yes, when the schedule allows I run same-day furnace repair throughout Guthrie, downtown, Cottonwood Creek, and out into south Logan County toward Coyle and Langston. Cold snaps fill the board fast, so the earlier you call the better. I keep common Trane, Carrier, Lennox, Goodman, Rheem, and RunTru parts on the truck so most repairs happen on the first visit. 4.8 stars, 300+ Google reviews. Call 405-375-4822.
AC repair cost in Guthrie, Oklahoma?
A diagnostic call in Guthrie is $99 dispatch plus $111 diagnostic. $111 diagnostic, part of the $210 flat repair-call price. Accept the estimate within 10 days and I give the $99 dispatch back. Most Guthrie AC repairs I see (capacitor, contactor, condenser fan motor) finish under $450 same visit. Older historic-district homes sometimes need a bit more diagnostic time because of legacy wiring.
Does Hartzell’s offer same-day AC service in Guthrie?
Yes. Guthrie is about a 40-minute drive from my Kingfisher shop through Cashion or down I-35 from Edmond. Call 405-375-4822 before noon and I can usually have a tech on site that same afternoon. From May through August I run an extended Logan County window for emergency cooling.
Can you retrofit central AC into a historic Guthrie home without ducts?
Yes. For Guthrie historic-district homes that never had central air, Mitsubishi ductless mini-splits are usually the right answer. No ducts, no chases cut through plaster, multi-zone control. I am a Mitsubishi Diamond Dealer so the equipment and labor warranty run 12 years. We design the head locations around the millwork, not the other way around.
Just down the road I also work in HVAC service in Langston, OK, so if a neighbor needs a tech I am usually only a short drive away.
Recent Work in Guthrie
Guthrie is a regular run for me, and a fair number of those homes are geothermal. I have completed more than 50 jobs in the Guthrie area. Real examples:
- Serviced a Guthrie geothermal system, flushed the loop with the cart and an 80 micron filter, and checked the composite flow controller and pumps. Geo needs a tech who actually understands the loop side, and I do.
- Replaced a warranty coil on a Guthrie geo heat pump and got the customer back in service. Knowing how to run a manufacturer warranty claim saves the homeowner real money.
- Flushed and treated the condensate line on a Guthrie system so it would drain clean through cooling season. A plugged drain line is one of the most common no-cool and water-damage calls I get.
Call 405-375-4822 and I will come take care of yours. 4.8 stars, 300+ reviews.
