15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served
★ HAPPY 4TH OF JULY ★
July 4th in Oklahoma means a full house, a hot kitchen, and the AC running flat out. Before the cookout, let me make sure yours can keep up. I hold same-day spots open for no-cool calls across Kingfisher and Central Oklahoma, and new-system estimates are always free. $99 dispatch, $111 diagnostic on repairs. 4.8 stars, 290+ reviews. Happy Independence Day from my family to yours. Call 405-375-4822 or book at hartzellsheatair.com.
Hartzell’s Heat & Air has served northwest Oklahoma for 15+ years. Call me at 405-375-4822 or use the form below to schedule service, request a free estimate on a new system, or ask a question.
Request Service
Fill out the form and I’ll call you back to confirm. Prefer to talk? Call 405-375-4822 any time.
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Business Hours
What to Expect
I confirm your appointment. After you schedule, I’ll call to confirm your appointment window so you’re not left guessing.
Transparent pricing up front. A $99 dispatch fee applies to every service visit. A $111 diagnostic fee applies on repair calls, part of the $210 flat repair-call price. It is not credited. Accept a written estimate within 10 days and I give the $99 dispatch back.
Free estimates on new systems. If you’re considering a new heat pump, air conditioner, furnace, or geothermal system, estimates are always free. No pressure, no obligation.
💳 Payment Methods Accepted
💵 Financing Available
Financing subject to credit approval. Call 405-375-4822 to discuss options.
Contact Hartzell’s Heat & Air
📍 Locations
Office
602 S Main St
Kingfisher, OK 73750
Service Garage (not open to public)
4,000 sq ft service facility in Kingfisher. Crews, parts and trucks stage from this shop. Customer visits at 602 S Main St office only.
🕐 Hours
Office: Monday to Friday, 8 AM to 5 PM
Emergency service: 24/7
Call 405-375-4822 anytime
⚠ After-Hours Emergency?
I provide 24/7 emergency heating and cooling service. Call 405-375-4822 any time, day or night.
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Happy With Your Service?
I’m grateful for every review. If Hartzell’s took care of you, a Google review helps other homeowners in central Oklahoma find a contractor they can trust.
Nearby Communities I Serve
Service Area
Kingfisher, Hennessey, Okarche, Cashion
Enid and surrounding area
Watonga, Geary, Canton
El Reno, Yukon, Mustang
Guthrie and surrounding area
Fairview, Ringwood, Lahoma
Edmond, Piedmont, Okarche, Yukon
Geothermal heat pump installations are available statewide throughout Oklahoma. Call 405-375-4822 to confirm service availability in your area.
Hartzell’s serves central Oklahoma within approximately 60 miles of Kingfisher, including Oklahoma City, Edmond, Enid, Guthrie, El Reno, Yukon, Mustang, Piedmont, Hennessey, and Watonga. For geothermal heat pump projects, I travel anywhere in Oklahoma. Full service area ›
Frequently Asked Questions
What areas does Hartzell’s serve?
Hartzell’s serves Kingfisher, Garfield, Blaine, Canadian, Logan, and Major counties in northwest Oklahoma, as well as the northwest Oklahoma City metro corridor.
What are your business hours?
Office hours are Monday through Friday, 8:00 AM to 5:00 PM. Emergency HVAC service is available 24/7, call 405-375-4822 any time.
Do you charge a fee to come out?
Yes. A $99 dispatch fee applies to every service visit. A $111 diagnostic fee applies on repair calls, part of the $210 flat repair-call price. It is not credited. Accept a written estimate within 10 days and I give the $99 dispatch back. PMA members: dispatch waived on your included tune-up visit only; repair calls still pay $99.
Do you offer free estimates?
Yes. Free estimates are available for all new system installations, heat pumps, geothermal, central air, furnaces, and mini-splits. Call 405-375-4822 to schedule.
Ready to Schedule?
Call for same-day service or book online. Upfront pricing. No surprises.
What My Customers Are Saying
4.8 stars • 290+ verified Google reviews
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