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Best HVAC Contractors in Katy, TX (2026)

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

The short answer

  1. 1

    Best overall in Katy: The Katy Plumbing Company Heating & Air, CR Score 94/100; 4.9★ from 3,343 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Air Tech of Katy, posts 24/7 hours; ranked #2 of 642.

  3. 17

    Most-reviewed: ARS / Rescue Rooter, 11,276 Google reviews at 4.6★, the most of 642 ranked; ranked #17.

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

642 Katy HVAC contractors are ranked here by CR Score, from 8 published factors. 201 are open 24/7, 521 open Saturdays and 371 open Sundays, based on posted hours. The median Google rating is 4.9★ across 641 rated businesses.

Top 10 HVAC contractors in Katy at a glance

Top 10 HVAC contractors in Katy at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1The Katy Plumbing Company Heating & Air944.9★ (3,343)Katy24/7Overall
2Air Tech of Katy934.8★ (3,047)Katy24/7Emergencies
3BVS Home Experts924.9★ (940)Katy24/7—
4Just Fix It Today904.8★ (434)Katy24/7—
5MJS A/C and Heating LLC905.0★ (151)Katy24/7—
6Mr. Reliable Heating & Air905.0★ (124)Katy24/7—
74C AC & Heating Repair905.0★ (972)KatySat · Sun · Evenings—
8TemperaturePro Katy-Cypress905.0★ (107)Katy24/7—
9One Hour Air Conditioning & Heating® of Houston894.7★ (9,886)Houston, 16 mi away24/7—
10Cornerstone AC & Heat LLC895.0★ (75)Katy24/7—

The 642 best HVAC contractors in Katy, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  12. #12 Air Express

    Based in Richmond, 7 mi away

    89/100CR Score

    Ranked #12 because of its Google rating and availability: 4.8★ from 495 Google reviews, open 24/7.

    • 4.8★ from 495 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7225 N Park Dr, Richmond, TX 77407
    View profile for Air Express(281) 638-8593

  16. #16 Ideal Air Services

    Based in Katy

    89/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 693 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 693 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–6 PM
    Address
    565 S Mason Rd #347, Katy, TX 77450
    View profile for Ideal Air Services(832) 662-5580

  23. #23 Air Star Now

    Based in Houston, 19 mi away

    88/100CR Score

    Ranked #23 because of its Google rating and availability: 5.0★ from 646 Google reviews, open 24/7.

    • 5.0★ from 646 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6607 Flintlock Rd, Houston, TX 77040
    View profile for Air Star Now(713) 597-4457

  25. #25 Texas Air Care

    Based in Katy

    88/100CR Score

    Ranked #25 because of its Google rating and availability: 4.8★ from 56 Google reviews, open 24/7.

    • 4.8★ from 56 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19946 Cresent Creek Dr, Katy, TX 77449
    View profile for Texas Air Care(281) 752-8070

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 642 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Katy, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Polar Express A/C & Heating884.9★ (337)In Katy
27Aire Serv of Houston Northwest874.9★ (653)16 mi
28Texas Eagle AC and Heating, LLC875.0★ (194)12 mi
29Zen pro air conditioning & heating LLC875.0★ (203)In Katy
30RP AC SERVICES AND REMODELING874.9★ (36)In Katy
31AC Man Houston874.8★ (45)In Katy
32Climate Control Solutions Air Conditioning And Heating875.0★ (267)15 mi
33American Comfort Experts874.9★ (583)17 mi
34On Point Plumbing Electrical Heating & Air874.8★ (1,109)17 mi
35Climate Experts Heating, Ventilation, and Air Conditioning875.0★ (129)11 mi
36Air City AC & Heating LLC874.7★ (533)11 mi
37Service Pros Air Conditioning & Heating874.9★ (224)In Katy
38Excel Air874.9★ (442)16 mi
39Multipoint AC & Heating874.9★ (198)12 mi
40Precision Katy Heating & Cooling875.0★ (21)In Katy
41ASR Mechanical875.0★ (788)24 mi
42Blowin Cold AC875.0★ (128)In Katy
43Trilogy AC Heating And Cooling864.6★ (987)In Katy
44The Lee Thompson Co864.9★ (412)18 mi
45TEXAS A/C PRO LLC865.0★ (15)In Katy
46Modern Air of Katy865.0★ (132)15 mi
47Zeds Air Conditioning & Heating865.0★ (156)16 mi
48Cy-Fair Mechanical LLC864.9★ (191)15 mi
49Bellaire Air Conditioning864.9★ (459)22 mi
50House Pro Air Conditioning864.7★ (1,336)21 mi

Also serving Katy

20 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 Katy
BusinessGoogle ratingDistance
Acosta Plumbing Solutions LLC4.9★ (487)In Katy
Cinco Ranch Plumbing4.6★ (42)In Katy
Cobra Contracting & Construction5.0★ (115)In Katy
Express Heating & Air5.0★ (1)In Katy
Fresh Air LP4.8★ (488)20 mi
Home Property Service Handyman Katy Dryer Vent Cleaning & Attic Ladder Stairs Installation Katy Fulshear Houston Sugarland5.0★ (120)In Katy
Home Property Service Repair & Katy Handyman Dryer Vent Cleaning5.0★ (1)In Katy
Hot Water & Water Heaters Cinco Ranch TX5.0★ (2)5 mi
Houston A/C and Heating Pros5.0★ (52)11 mi
Hydrobreeze Misting Systems Installation, Misting Fan Rental, Mosquito Misting Systems, Outdoor Fans3.0★ (2)9 mi
IES Residential5.0★ (2)In Katy
katyplumbingtexasIn Katy
LaGroue Mechanical LLC5.0★ (2)In Katy
Leon's Electric and Plumbing3.0★ (2)In Katy
LGS HVAC Inc4.9★ (16)2 mi
Mission Roofing4.8★ (102)In Katy
Sears Siding4.0★ (2)6 mi
Spring Branch AC4.9★ (349)19 mi
Tradition Services4.9★ (665)24 mi
Vikings AC & Electrical Services5.0★ (1)In Katy

How much do HVAC contractors cost in Katy?

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

How much do HVAC contractors cost in Katy?
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 Texas

In Texas, Texas Department of Licensing and Regulation (TDLR) licenses Air conditioning and refrigeration contractor licenses (Class A and B).

  1. Search the business name or license number on the Texas Department of Licensing and Regulation (TDLR) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 Texas

In Texas, 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 Katy HVAC contractors

We scored 642 Katy HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Katy data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Katy: frequently asked questions

Who is the best HVAC contractor in Katy?

By CR Score, the highest-ranked HVAC contractor in Katy, TX is The Katy Plumbing Company Heating & Air with a CR Score of 94/100. It has 4.9★ from 3,343 Google reviews. It is open 24/7. Air Tech of Katy (#2) and BVS Home Experts (#3) follow. We ranked 642 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Katy?

ContractorsRanked ranks 642 HVAC contractors serving Katy, TX. 24 of them are based in Katy; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Katy are open 24/7?

201 ranked HVAC contractors in Katy post 24/7 hours. The highest-ranked are The Katy Plumbing Company Heating & Air (#1), Air Tech of Katy (#2) and BVS Home Experts (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Katy work on weekends?

521 of 642 ranked HVAC contractors post Saturday hours and 371 post Sunday hours. The highest-ranked open Saturdays are The Katy Plumbing Company Heating & Air (#1), Air Tech of Katy (#2) and BVS Home Experts (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Texas?

In Texas, Texas Department of Licensing and Regulation (TDLR) handles licensing and covers Air conditioning and refrigeration contractor licenses (Class A and B). Search the business or license number at https://www.tdlr.texas.gov/LicenseSearch/.

How much does ac replacement cost in Katy?

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 Katy. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Katy HVAC contractors have?

The median Google rating among 641 rated HVAC contractors in Katy is 4.9★, with a median of 31 reviews. ARS / Rescue Rooter has the most, 11,276 reviews, and ranks #17. 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 Katy?

In Texas, 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.

Update log for Katy

  1. October 2026: CR Scores recalculated for 642 hvac contractors serving Katy.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Katy pages

Other trades in Katy