HVAC Services in Duncan, OK
11 HVAC contractors found
Davis Air Conditioning
“All eight sampled reviews carry five-star ratings, with technicians Jacob and Tom Shaw specifically named for…”
Stephens Electrical Services and Hometech solutions hvac
“All 155 reviewers award 5 stars, with technicians Johnny Kimbro, David, Johnny, and Ethan named across…”
DeHart Air Conditioning
“Five reviewers specifically name technicians Clint, Justin, or Angie, with each receiving high praise for…”
Justus Plumbing
“All six detailed reviews award five stars, with customers praising same-day emergency response, the…”
Sears Appliance Repair
“5 of 7 named reviews mention positive experiences with technician Harold, while 3 reviews cite frustration…”
Climate Control Co., Inc.
“Among 21 recorded reviews, the overwhelming majority award 5-star ratings, with customers specifically…”
Archer Mobile RV Technician LLC
“Five of six detailed reviews award five stars, with customers specifically praising the technician's…”
Climate Pros
“All 12 reviews award 5 stars, with 5 reviewers specifically mentioning same-day or within-hours response…”
Sellers Air Conditioning
“Six of eight reviewers mention same-day or fast service, with one customer specifically praising their…”
Chasteen Plumbing
“Eight of nine reviewers award five stars, with affordability mentioned by four customers and same-day service…”
HVAC Service Costs in Duncan, OK
Pricing ranges across all HVAC services offered in Duncan.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $75–$2,800 | 7 items → |
| AC Installation | $150–$20,000 | 8 items → |
| AC Replacement | $2,100–$16,000 | — |
| HVAC Maintenance | $15–$800 | 7 items → |
| HVAC Repair | $75–$3,500 | — |
| HVAC Service | $70–$14,100 | 6 items → |
| Emergency HVAC | $150–$3,500 | 6 items → |
| Commercial HVAC | $2–$80,000 | — |
Prices reflect humid subtropical metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
HVAC in Duncan, OK: What Homeowners Should Know
Duncan's climate creates relentless demand for reliable HVAC systems. Summer heat climbs past 100 degrees for weeks, while winter temperatures plunge into the twenties, bringing ice storms that test every heating system. This year-round pressure means homes and businesses need cooling capacity from May through September and dependable heating from November through February. Nineteen HVAC companies serve the Duncan area, maintaining an average rating of 4.6 stars across over 1,600 reviews, giving homeowners access to skilled professionals when systems fail during extreme weather.
The cost of HVAC services in Duncan spans from basic repairs to complete system replacements, with overall project costs ranging from $2 to $80,000. This wide range reflects whether a customer needs a minor refrigerant top-off or a full new installation with new ductwork and electrical upgrades. Oklahoma requires HVAC contractors to hold a Mechanical Contractor License from the Oklahoma Construction Industries Board, ensuring they have passed both journeyman and contractor exams after completing four years of field experience before managing independent work.
Customer reviews consistently highlight specific technicians for their diagnostic skill and professionalism. Jacob and Tom Shaw at Davis Air Conditioning receive repeated mentions for their honest assessments and thorough work, with every sampled review awarding five stars. Same-day emergency response appears as a common theme across positive accounts, with customers praising technicians who arrive quickly during system failures and explain repair options clearly before proceeding with work.
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