10 Commercial HVAC Contractors in Stillwater, OK

4.8 avg rating
1,617 total reviews1 offer 24/7 service
Need emergency service? 3 HVAC providers in Stillwater offer 24/7 availability

Top-Rated Commercial HVAC 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
Call
#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
Call
#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
Call

All Commercial HVAC Contractors (10 total)

Air-O Heat & Air Conditioning Inc

4.8(152)
Highly Rated

All 8 visible reviews award 5 stars, with 3 reviewers specifically naming technicians Dillon B., Dillon V.,…

3518 S Boomer Rd, Stillwater, OK 74074
Call

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
Call

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
Call

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
Call

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
Call

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
Call

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
Call

Commercial HVAC Costs in Stillwater

Commercial system pricing in Stillwater. Actual costs vary significantly by building size and system type. Request a site-specific quote.

ServiceLowAverageHigh
Annual maintenance (per rooftop unit)
Quarterly inspections
$500$1,000$2,000
Annual contract (small business, < 5K sqft)
$1,000$2,500$5,000
Annual contract (mid-size, 5K-25K sqft)
$3,500$6,500$10,000
Basic rooftop unit replacement
$6,500$10,000$15,000
Small business full system (< 5K sqft)
$8,000$16,000$25,000
Mid-size building (5K-25K sqft)
$25,000$50,000$80,000
Operating cost (per sqft annually)
Utility + maintenance
$2$4$6

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

Commercial HVAC in Stillwater, OK: What to Expect

Stillwater sits where Oklahoma summers push thermometers past ninety degrees for over seventy days, with humidity driving the heat index even higher. Winters here dip to the mid-twenties and occasionally bring ice storms that stress heating equipment. Commercial buildings need maximum cooling capacity from May through September and reliable heating from November well into February. This climate creates constant demand for Commercial HVAC in Stillwater, where ten contractors maintain an impressive 4.8 average rating across more than sixteen hundred client reviews. One provider in the area offers around-the-clock emergency service, a practical necessity when equipment fails during extreme temperature swings.

Oklahoma law requires commercial HVAC contractors to hold a Mechanical Contractor License from the state Construction Industries Board, verifying their qualifications before bidding on commercial projects. Annual maintenance for a single rooftop unit typically runs five hundred to two thousand dollars. Small businesses under five thousand square feet generally sign annual service contracts ranging from one thousand to five thousand dollars. Mid-size commercial properties between five thousand and twenty-five thousand square feet usually budget three thousand five hundred to ten thousand dollars annually for comprehensive service agreements. These costs reflect the scope of equipment, building size, and the frequency of preventive maintenance visits needed to keep systems operating efficiently under Oklahoma's demanding climate.

Customer reviews reveal distinct service patterns among top-rated contractors. Technicians Jackson and Richard Sitton at Sitton Mechanical receive repeated praise for same-day response during heat-related emergencies, with all eight sampled reviewers awarding five stars. Starks Pro Mechanical earns mentions for rapid arrival times, often within hours of the initial call. Advantage Plumbing Heating and Cooling draws consistent commendation for maintaining clean work areas and returning to resolve issues without additional charges. These detailed accounts from verified clients demonstrate what separates the highest-rated providers in the Stillwater commercial HVAC market.

Frequently Asked Questions

Commercial HVAC in Stillwater varies widely by building size. Annual maintenance contracts run $1,000-$10,000+ depending on unit count and service frequency. Rooftop unit replacement starts around $6,500-$15,000, small business systems (<5K sqft) run $8,000-$25,000, and mid-size buildings cost $25,000-$80,000 installed.