13 AC Installation Contractors in Stillwater, OK

4.8 avg rating
1,692 total reviews2 offer 24/7 service
Need emergency service? 3 HVAC providers in Stillwater offer 24/7 availability

Top-Rated AC Installation Contractors in Stillwater

#1

Starks Pro Mechanical

4.9(703 reviews)
Highly Rated

Six of eight sampled reviewers specifically mention rapid response times, with several noting same-day or within-hours arrival. Five-star reviews consistently…

202 Range Rd, Stillwater, OK 74074
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#2

Sitton Mechanical, LLC

5.0(190 reviews)
Highly Rated

All eight sampled reviews award 5 stars, with four reviewers specifically mentioning same-day or prompt service during heat-related emergencies. Technicians…

2310 E Marcus Ave, Stillwater, OK 74075
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#3

Advantage Plumbing Heating and Cooling

4.5(310 reviews)

All seven named reviewers awarded five stars, praising same-day response, clean work habits, and willingness to return and fix problems at no extra charge.…

1521 E 6th Ave, Stillwater, OK 74074
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All AC Installation Contractors (13 total)

The Comfort Crew

4.8(139)
24/7 Highly Rated

Five-star ratings dominate the review profile, with all eight sampled reviewers awarding perfect scores.…

105 S Keats Dr, Stillwater, OK 74074
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OnSite Heat & Air

4.9(105)
24/7 Highly Rated

All five-star reviews cite professional technicians and polite service, with three specifically mentioning…

1006 E Airport Rd, Stillwater, OK 74075
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Crouch's Heating & Cooling LLC

4.8(77)

All three featured reviews award 5 stars, with customers specifically praising same-day response times, fair…

2816 W 25th Ave, Stillwater, OK 74074
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B & L Heating and Air Conditioning, Inc.

4.6(80)

Five of six named reviewers awarded 5-star ratings, praising specific technicians like Ben and Skylar Watters…

1907 McMurtry Rd, Stillwater, OK 74075
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McGee's Mechanical

4.8(47)

All seven sampled reviews award 5 stars, with multiple reviewers specifically citing the technician's rapid…

2224 S Black Oak Dr, Stillwater, OK 74074
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Air Control, Inc.

4.1(22)

All six visible reviews award five stars, with customers specifically praising same-day response times,…

4212 Sierra Ln, Stillwater, OK 74074
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SprDav Heat AC & Appliance Repair LLC

5.0(9)

Seven of seven detailed reviews award perfect five-star ratings, with reviewers consistently praising…

4620 White Oak Dr, Stillwater, OK 74074
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S & G Heat & Air

5.0(4)

All four reviews award 5 stars, with both named reviewers praising next-day service speed and reasonable…

7111 Range Rd, Stillwater, OK 74074
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Payne County Mechanical

5.0(4)

All 4 reviews award 5 stars, with 3 specifically mentioning same-day or holiday weekend availability. Two…

1900 Cedardale Ln, Stillwater, OK 74075
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Lightning Mechanical LLC

5.0(2)

Both reviews award 5 stars, with clients specifically praising timely repairs, project schedule adherence,…

9017 W Lakeview Rd, Stillwater, OK 74075
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AC Installation Costs in Stillwater

New central AC installation costs in Stillwater, 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 Stillwater, OK: What to Expect

Stillwater's climate presents a year-round challenge for homeowners. Oklahoma experiences 72 days above 90 degrees with 20 of those surpassing 100 degrees, and the high humidity pushes heat index values even higher. Winters bring temperatures down to 25 degrees alongside ice storms, meaning HVAC systems must perform reliably in extreme heat and cold. Thirteen contractors serve the Stillwater metro with an impressive average rating of 4.8 drawn from nearly 1,700 reviews, reflecting a market where professionals compete on performance. The demand for proper AC Installation in Stillwater stems directly from these punishing seasonal extremes.

Pricing reflects the scope of installation chosen. Window units range from $150 to $700, while single-zone ductless mini-split systems cost between $2000 and $8000. Central AC replacement utilizing existing ductwork runs from $3500 to $12,000, with final costs depending on unit efficiency ratings and installation complexity. Oklahoma requires every HVAC contractor to hold a Mechanical Contractor License from the Oklahoma Construction Industries Board, ensuring homeowners engage qualified professionals for the work.

Customer feedback reveals what separates top performers in this market. Jackson and Richard Sitton of Sitton Mechanical receive repeated recognition for arriving same-day during heat-related emergencies, with all eight sampled reviewers awarding five stars. Advantage Plumbing Heating and Cooling earns praise for maintaining clean work areas and returning to resolve issues without additional charges. Starks Pro Mechanical draws consistent mentions of rapid response times and technician professionalism, demonstrating how local contractors build reputation through measurable service quality.

Frequently Asked Questions

New AC installation in Stillwater 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.