An old AC that limps through the Oklahoma summer usually quits on the hottest day, when everybody needs me at once. If yours is on its last legs, let me look now while I can still get you on the schedule. Free estimates on new systems, and I keep same-day spots open for no-cool calls across Kingfisher and Central Oklahoma. $99 dispatch, $111 diagnostic on repairs. 4.8 stars across 289 reviews. Call 405-375-4822 or book at hartzellsheatair.com.
NATE Certified
Geothermal Expert
24/7 Emergency
H&A
Hartzell’s
Heat & Air
Kingfisher, Oklahoma’s HVAC Experts
Book & Connect
Book Online, Same Day Available
Repair · Tune-Up · Replacement · New Install
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AC Tune-Up, Tune-Up PMA $138/yr
Get summer-ready · No surprises
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Geothermal Heat Pumps
Rebates up to $2,000/ton · IGSHPA Accredited
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Dave’s 360° Protection Plan
Priority service · 2 tune-ups/yr · Discounted repairs
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Financing Options
Synchrony · Wells Fargo · Wisetack
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See Our Pricing
$111 diagnostic · Tune-Up PMA at $138/yr · Upfront, always
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Our Services
❄️
AC Repair
Same-day · All brands
🔥
Heating Repair
Furnace · Heat pump
🏠
Mini-Splits
Diamond Dealer
🚨
24/7 Emergency
Nights · Weekends
🔧
System Replacement
Manual J sizing
💨
Indoor Air Quality
UV · Filtration · ERV
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Dave and his team installed a geothermal system for us. Sized it correctly, explained every step, and the system has been flawless. Our electric bill dropped significantly.★★★★★ Mark T., Kingfisher, OK · Google Review
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