Replacing a system in Kingfisher?
I’m Dave Hartzell. I have been replacing systems in Kingfisher and central Oklahoma for 47 years, 15+ of them running my own shop on South Main. Past its useful life, leaking a refrigerant nobody makes any more, or failing in 100-degree July heat: I lay the choices out plain, give you a free in-home estimate, and you decide.
4.8 stars · 300+ Google reviews · Free estimates · Se habla español
How I think about it on every Kingfisher call
- 12+ years old with a $1,500+ repairThe math usually stops working here.
- An R-22 leakR-22 is no longer manufactured and costs roughly $150 a pound when you can get it.
- Compressor or heat exchanger failureOn a system out of warranty.
- Electric bills climbing every summerWith no other explanation.
- Rooms that never reach setpointTwo or more, even after repairs.
- The $5,000 ruleRepair cost times system age over $5,000: replacement usually wins. Run the numbers
What you get for the number
- Manual J load calculationSized for your house, not the old unit’s tonnage.
- Code-permitted installWith a city of Kingfisher inspection where required.
- New or flushed refrigerant linesNo shortcuts on the line set.
- New thermostatProgrammable or smart, depending on the system.
- Warranty registered same dayWritten labor warranty in your hand the day I finish.
- Cleanup and walkthroughDebris hauled off, and a walkthrough with whoever is home.
The lines I stand behind
Trane and RunTru
TCS SELECT dealer with the full residential lineup and the 100% Performance Guarantee on qualifying installs. RunTru is the budget-friendly Trane-built line.
Mitsubishi and Amana
Mitsubishi Diamond Dealer for ductless and Hyper-Heat heat pumps. Amana Brand Advantage Dealer, with lifetime compressor warranty options.
ClimateMaster geothermal
GeoElite dealer. Geothermal is its own category. Geothermal guide
Rebates I help Kingfisher homes claim
Rebates depend on your electric utility. I confirm your program before I quote an amount, and I handle the paperwork.
Cimarron Electric
Geothermal $600, air-source heat pump $500, central AC $300. Up to $1,200 per member per home per year.
Confirmed for 2026KPWA
Rebates run through the OMPA WISE program. Ask me for the current amount.
Confirmed programOG&E and OEC
OG&E residential rebates are closed for 2026. OEC amounts I confirm with OEC before quoting.
Checked per jobRebate finderWhat customers say
“The technician was knowledgeable, friendly and professional. Hartzell’s Heat & Air has had our business for 10+ years and we’ve received great service consistently.”
Katie B. · Google review · May 2025
“They were great to work with, very kind and accommodating. Tim was very knowledgable and did a wonderful job installing a mini-split at my barber shop.”
Kevin K. · Google review · March 2026
Straight answers
How much does HVAC replacement cost in Kingfisher, Oklahoma?
A standard 14.3 SEER2 RunTru split system starts at $7,500 installed. My five system tiers run $8,755 to $18,167 installed. Geothermal is its own category. Free written estimate at your kitchen table: call 405-375-4822.
How long does an install take?
Most split-system replacements are done in one day. Geothermal loop installs run 2 to 4 days, depending on a vertical loop drilled by my licensed driller or a trenched horizontal loop.
Do you offer free estimates on new systems?
Yes. I do the load calculation, walk the ducts, and write you a real number. No high-pressure pitch, no today-only gimmicks.
What financing do you offer?
Five lenders: Synchrony (up to 18 months at 0%), Wells Fargo Home Projects, Wisetack (soft-pull pre-qualification), Klarna (4 interest-free payments over 6 weeks) and JB Financing (30+ lenders, scores as low as 590).
What warranty comes with a new install?
Manufacturer parts warranty registered the same day: 10 years on major brands, 12 years on Trane through TCS SELECT. My labor warranty is one year. Trane qualifying installs include the 100% Performance Guarantee.
Free estimate at your table
I’ll come to your Kingfisher home, look at the system, measure the house, and write you a real number. If you want three quotes, get three quotes. I expect to win on value.
Call 405-375-4822Kingfisher, Hennessey, Okarche, Dover, Loyal, Cashion and every town between. Counties: Kingfisher, Canadian, Oklahoma, Garfield, Major, Logan, Blaine.
