7 AC Installation Contractors in Duncan, OK

4.7 avg rating
668 total reviews1 offer 24/7 service
Need emergency service? 1 HVAC providers in Duncan offer 24/7 availability

Top-Rated AC Installation Contractors in Duncan

#1

Davis Air Conditioning

4.8(350 reviews)
Highly Rated

All eight sampled reviews carry five-star ratings, with technicians Jacob and Tom Shaw specifically named for their diagnostic skill and professionalism.…

399 S Hwy 81, Duncan, OK 73533
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#2

Stephens Electrical Services and Hometech solutions hvac

4.9(163 reviews)
24/7 Highly Rated

All 155 reviewers award 5 stars, with technicians Johnny Kimbro, David, Johnny, and Ethan named across multiple positive accounts. Customers specifically…

7214 Oak Creek Rd, Duncan, OK 73533
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#3

DeHart Air Conditioning

4.7(110 reviews)

Five reviewers specifically name technicians Clint, Justin, or Angie, with each receiving high praise for professionalism and thoroughness. All five-star…

5755 US-81, Duncan, OK 73533
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All AC Installation Contractors (7 total)

Climate Control Co., Inc.

4.6(22)

Among 21 recorded reviews, the overwhelming majority award 5-star ratings, with customers specifically…

710 W Walnut Ave, Duncan, OK 73533
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Climate Pros

4.7(12)

All 12 reviews award 5 stars, with 5 reviewers specifically mentioning same-day or within-hours response…

Duncan, OK 73534
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Sellers Air Conditioning

4.5(10)

Six of eight reviewers mention same-day or fast service, with one customer specifically praising their…

1655 W Camelback Rd, Duncan, OK 73533
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Simms Refrigeration & Repair

5.0(1)

One customer awarded 5 stars, calling it a good place to go. With a single review on record, there is…

201 N A St, Duncan, OK 73533
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AC Installation Costs in Duncan

New central AC installation costs in Duncan, by system type and brand.

ServiceLowAverageHigh
Window unit
$150$350$700
Ductless mini-split (single zone)
$2,000$4,500$8,000
Central AC replacement (existing ducts)
$3,500$6,500$12,000
Central AC new install (with ductwork)
$7,000$12,000$20,000
Carrier (residential)
$3,800$6,200$10,500
Trane (residential)
$5,000$8,800$13,600
Lennox (residential)
$3,500$6,500$12,000
Rheem (residential)
$3,200$5,500$9,000

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Installation in Duncan, OK: What to Expect

Duncan sits within the Oklahoma City metro, where summer heat climbs past 100 F for weeks on end while humidity pushes the heat index even higher. Winters here drop to the mid-20s with ice storms capable of knocking out power for days. This year-round pressure on climate systems makes professional AC Installation in Duncan essential rather than optional. Seven licensed contractors serve the area, earning an average rating of 4.8 stars across nearly 650 reviews, reflecting how seriously homeowners here take indoor comfort.

For most Duncan households, a central AC replacement with existing ductwork runs between $3500 and $12000, depending on system efficiency and home layout. Window units start around $150 and reach $700 for higher-capacity models, while ductless mini-split systems, ideal for homes without ductwork, span $2000 to $8000 per zone. Oklahoma requires all HVAC contractors to hold a Mechanical (HVAC) Contractor License from the Oklahoma Construction Industries Board, ensuring every installation meets state safety and efficiency standards.

Technicians like Jacob and Tom Shaw at Davis Air Conditioning earn consistent praise for thorough diagnostics and transparent communication. Customers highlight Johnny Kimbro and Ethan at Stephens Electrical Services for responding to same-day emergencies, while Clint, Justin, and Angie at DeHart Air Conditioning receive marks for professionalism and same-day service availability. Across multiple five-star accounts, these technicians demonstrate a pattern of rapid response and clear communication, helping homeowners make informed decisions without pressure.

Frequently Asked Questions

New AC installation in Duncan costs $150-$20,000 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.