Complete comfort, handled by experts.
From emergency repairs to whole-home Daikin installs, our EPA-certified technicians cover every part of your heating, cooling, and indoor air quality — across the Stillwater area.
Air Conditioning
AC repair, installation, and tune-ups that keep Stillwater families cool through Oklahoma's hottest, most humid summers.
View serviceHeating & Furnace
Furnace repair, installation, and maintenance built to carry your home through cold Oklahoma winters.
View serviceHeat Pumps
Year-round comfort from a single system. Heat-pump repair, installation, and tune-ups that meet Oklahoma's heating and cooling demands in one efficient package.
View serviceDuctless Mini-Splits
High-efficiency Daikin ductless mini-splits for additions, shops, bonus rooms, and whole-home comfort — heating and cooling in one.
View serviceIndoor Air Quality
Cleaner, healthier air for your family — purification, filtration, humidity control, and duct sealing for the whole home.
View serviceCommercial Refrigeration
Keep your business running cold. Walk-in coolers, freezers, and commercial refrigeration repair, installation, and service.
View serviceMaintenance & Tune-Ups
Seasonal tune-ups, inspections, and maintenance plans that protect your system and stop breakdowns before they start.
View serviceEvery service, grouped by category.
Browse our full menu of HVAC services. Don't see exactly what you need? Call us — if it heats, cools, or moves air, we handle it.
Ready to get comfortable again?
Talk to a real Sitton Mechanical technician — never a phone tree. Same-day appointments and 24/7 emergency service across Stillwater and north-central Oklahoma.
Authorized Daikin Dealer · Licensed & Insured
Family-owned — here to care for you
Same-day & 24/7 emergency service
- Upfront, honest pricing
- Licensed & insured technicians
- Workmanship we stand behind