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Best HVAC Contractors in Stillwater, OK (2026)

34 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Stillwater: The Comfort Crew, CR Score 65/100; 4.8★ from 139 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): OnSite Heat & Air, posts 24/7 hours; ranked #2 of 34.

  3. 3

    Most-reviewed: Starks Pro Mechanical, 674 Google reviews at 4.9★, the most of 34 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

34 Stillwater HVAC contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 12 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.9★ across 34 rated businesses.

Top 10 HVAC contractors in Stillwater at a glance

Top 10 HVAC contractors in Stillwater at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1The Comfort Crew654.8★ (139)Stillwater24/7Overall
2OnSite Heat & Air644.9★ (89)Stillwater24/7Emergencies
3Starks Pro Mechanical634.9★ (674)Stillwater—Most reviews
4Accurate Heat & Air615.0★ (19)Stillwater24/7—
5Sitton Mechanical, LLC615.0★ (169)Stillwater——
6ComfortShield Heat & Air594.9★ (176)Edmond, 24 mi away24/7—
7Air-O Heat & Air Conditioning Inc594.8★ (139)Stillwater——
8McGee's Mechanical594.8★ (47)StillwaterSat · Evenings—
9Advantage Plumbing Heating and Cooling594.5★ (297)Stillwater——
10Air It Out Heating & Cooling585.0★ (122)Guthrie, 21 mi awaySat · Sun—

The 34 best HVAC contractors in Stillwater, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Stillwater

    #1 The Comfort Crew

    Based in Stillwater

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 139 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 139 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    105 S Keats Dr, Stillwater, OK 74074
    View profile for The Comfort Crew(405) 372-1477

  2. #2 OnSite Heat & Air

    Based in Stillwater

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 89 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1006 E Airport Rd, Stillwater, OK 74075
    View profile for OnSite Heat & Air(405) 237-5180

  3. #3 Starks Pro Mechanical

    Based in Stillwater

    63/100CR Score

    Ranked #3 because of its Google rating and review volume: 4.9★ from 674 Google reviews, the most in Stillwater.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 674 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    202 Range Rd, Stillwater, OK 74074
    View profile for Starks Pro Mechanical(405) 372-7300

  4. #4 Accurate Heat & Air

    Based in Stillwater

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5808 N Washington St, Stillwater, OK 74075
    View profile for Accurate Heat & Air(405) 747-0799

  5. #5 Sitton Mechanical, LLC

    Based in Stillwater

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 169 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 169 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2310 E Marcus Ave, Stillwater, OK 74075
    View profile for Sitton Mechanical, LLC(405) 780-3034

  8. #8 McGee's Mechanical

    Based in Stillwater

    59/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 47 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 9 AM–12 PM · Sun closed
    Address
    2224 S Black Oak Dr, Stillwater, OK 74074
    View profile for McGee's Mechanical(405) 762-1224

  13. #13 Fisher Heat and Air

    Based in Stillwater

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    215 E 11th Ave, Stillwater, OK 74074
    View profile for Fisher Heat and Air(918) 706-4904

  16. #16 4 Your Comfort Heat and Air

    Based in Stillwater

    57/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 6 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun 1 PM–5 PM
    Address
    Stillwater, OK 74074
    View profile for 4 Your Comfort Heat and Air(405) 743-2550

  17. #17 Summit Plumbing & HVAC

    Based in Stillwater

    56/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Fri 9:30 AM–5 PM · Sat–Sun closed
    View profile for Summit Plumbing & HVAC(405) 269-3251

  18. #18 S & G Heat & Air

    Based in Stillwater

    55/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 4 Google reviews
    Address
    7111 Range Rd, Stillwater, OK 74074
    View profile for S & G Heat & Air(405) 377-2733

  19. #19 Norton Heat and Air, LLC

    Based in Perry, 18 mi away

    55/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 52 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 8 AM–2 PM · Sun closed
    Address
    1224 Fir St, Perry, OK 73077
    View profile for Norton Heat and Air, LLC(580) 336-5367

  20. #20 Payne County Mechanical

    Based in Stillwater

    55/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat closed · Sun 8 AM–5 PM
    Address
    1900 Cedardale Ln, Stillwater, OK 74075
    View profile for Payne County Mechanical(405) 762-2001

  21. #21 Breeden Heat & Air

    Based in Stillwater

    55/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 3 Google reviews
    Address
    Stillwater, OK 74074
    View profile for Breeden Heat & Air(405) 612-0743

  22. #22 Air Control, Inc.

    Based in Stillwater

    55/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.1★ from 22 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.1★ from 22 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    4212 Sierra Ln, Stillwater, OK 74074
    View profile for Air Control, Inc.(405) 377-6528

  25. #25 Ironclad Restoration

    Based in Stillwater

    53/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    View profile for Ironclad Restoration(405) 385-9649

All 34 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.

HVAC contractors in Stillwater, ranks 26 to 34
RankBusinessCR ScoreGoogle ratingDistance
26Ambassador Heating and Air Conditioning, LLC535.0★ (16)11 mi
27Charlton's Heating & Air Conditioning Inc534.6★ (51)18 mi
28Cowboy Plumbing & Heating514.6★ (11)In Stillwater
29Mayberry Heat Air & Electric504.7★ (3)17 mi
30Cushing Plumbing Heat & Air504.0★ (20)19 mi
31COD Heating & Air Conditioning505.0★ (7)17 mi
32Hulet Plumbing & Heating Co493.7★ (16)17 mi
33Step Ahead Construction LLC495.0★ (8)23 mi
34D & S Heat & Air475.0★ (4)25 mi

Also serving Stillwater

10 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving Stillwater
BusinessGoogle ratingDistance
Bloomer Heat & Air3.0★ (1)In Stillwater
Earl's Heating AC & Refrigeration3.0★ (1)In Stillwater
Earl's Heating/AC & Refrigeration18 mi
Greenfield Heating & Air ConditioningIn Stillwater
L&B Plumbing Stillwater, OK4.9★ (94)In Stillwater
Lightning Mechanical LLC5.0★ (2)In Stillwater
Patriot Mechanical Inc3.7★ (3)In Stillwater
Paul Minasian Service Construction, LLCIn Stillwater
Roto-Rooter of STILLWATER, OK4.0★ (30)In Stillwater
Stolhand-Wells Water Treatment5.0★ (2)In Stillwater

How much do HVAC contractors cost in Stillwater?

National price ranges in USD, not adjusted for Stillwater. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Stillwater?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Oklahoma

In Oklahoma, Oklahoma Construction Industries Board licenses Mechanical licenses.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in Oklahoma

In Oklahoma, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.

How we ranked Stillwater HVAC contractors

We scored 34 Stillwater HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Stillwater data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Stillwater: frequently asked questions

Who is the best HVAC contractor in Stillwater?

By CR Score, the highest-ranked HVAC contractor in Stillwater, OK is The Comfort Crew with a CR Score of 65/100. It has 4.8★ from 139 Google reviews. It is open 24/7. OnSite Heat & Air (#2) and Starks Pro Mechanical (#3) follow. We ranked 34 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Stillwater?

ContractorsRanked ranks 34 HVAC contractors serving Stillwater, OK. 22 of them are based in Stillwater; the rest serve it from nearby towns. Another 10 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Stillwater are open 24/7?

6 ranked HVAC contractors in Stillwater post 24/7 hours. The highest-ranked are The Comfort Crew (#1), OnSite Heat & Air (#2) and Accurate Heat & Air (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Stillwater work on weekends?

12 of 34 ranked HVAC contractors post Saturday hours and 9 post Sunday hours. The highest-ranked open Saturdays are The Comfort Crew (#1), OnSite Heat & Air (#2) and Accurate Heat & Air (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Stillwater?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Stillwater. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Stillwater HVAC contractors have?

The median Google rating among 34 rated HVAC contractors in Stillwater is 4.9★, with a median of 19 reviews. Starks Pro Mechanical has the most, 674 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Stillwater?

In Oklahoma, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Stillwater

  1. October 2026: CR Scores recalculated for 34 hvac contractors serving Stillwater.

More HVAC contractors and Stillwater pages

Other trades in Stillwater