AC Repair
Fast, honest air conditioning repair for Stillwater homes when the Oklahoma heat finally wins. We diagnose the real problem, not the most expensive one.
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HVAC services in Stillwater, OK
Heating and air conditioning for homes and businesses across Stillwater and the surrounding towns. We repair, install, and maintain it all, and we answer the phone 24/7 when the weather turns. Free estimates and a 1-year workmanship warranty on every job.
Call (405) 338-9194AC Installation & Replacement
Straight-talk AC installs and replacements sized right for Oklahoma summers. Free estimates, quality equipment, and a 1-year workmanship warranty.
Learn moreFurnace & Heating Repair
When the cold snap hits Payne County and the heat quits, OKIE gets it running again. Honest diagnostics, real repairs, and a 1-year workmanship warranty.
Learn moreFurnace Installation
Furnace replacements sized for Oklahoma winters, installed clean by a local Stillwater crew. Free estimates, quality equipment, 1-year workmanship warranty.
Learn moreHeat Pump Installation & Repair
Heat pumps that heat and cool from one efficient unit. OKIE installs and repairs heat pumps for Stillwater homes with free estimates and a 1-year warranty.
Learn moreDuctwork & Ventilation
Duct repair, sealing, and ventilation work that balances airflow across the house. If one room never gets comfortable, it's often the ducts, not the unit.
Learn moreHVAC Tune-Ups & Maintenance
Seasonal tune-ups that keep your system running through Oklahoma's extremes. We clean, calibrate, and catch small problems before they're expensive ones.
Learn moreThermostats & Indoor Air Quality
Smart thermostat installs and indoor air quality upgrades that make a Stillwater home more comfortable and the air cleaner. Free estimates, honest advice.
Learn moreCommercial HVAC
Heating and cooling for Stillwater offices, retail, restaurants, and small buildings. Minimize downtime, keep employees and customers comfortable, and keep it honest.
Learn more24/7 Emergency HVAC
Your AC or furnace died at a bad time. We answer 24/7 across Stillwater and get a licensed technician moving fast. Free estimates, honest pricing, 1-year warranty.
Learn moreCommon questions
HVAC services FAQ
Does OKIE HVAC Systems service both homes and businesses in Stillwater?+
Yes. We're residential and commercial, licensed and insured, and we work across Stillwater and the surrounding towns.
Are estimates really free?+
Yes. We give free estimates on repairs, replacements, and new installations. We measure your home or building and show you honest options.
Is your work warrantied?+
Every repair and installation carries a 1-year workmanship warranty, plus the manufacturer warranty on equipment.
Are you available for emergencies?+
We're answered 24/7. Call (405) 338-9194 any time for heating or air conditioning emergencies across the Stillwater area.
What areas do you cover?+
Stillwater, Perkins, Glencoe, Cushing, Perry, Yale, Morrison, and Ponca City, with scheduled visits to Guthrie, Edmond, Enid, and Oklahoma City.
System down?
We're ready.
Call us right now and a real person answers. Or send the details and we call you back. Heating and air conditioning repair, installs, and tune-ups across Stillwater and the surrounding towns.
Call (405) 338-9194Licensed and insured Oklahoma contractor · Free estimates · 1-year workmanship warranty
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