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, $229 Flat Rate
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 · $229 tune-up · 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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