★ 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.
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 · Klarna · JB Financing
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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
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Heating Repair
Furnace · Heat pump
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Mini-Splits
Diamond Dealer
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24/7 Emergency
Nights · Weekends
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System Replacement
Manual J sizing
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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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