40 AC Replacement Contractors in Katy, TX

4.9 avg rating
7,653 total reviews10 offer 24/7 service
Need emergency service? 30 HVAC providers in Katy offer 24/7 availability

Top-Rated AC Replacement Contractors in Katy

#1

Air Tech of Katy

4.8(3,228 reviews)
24/7 Highly Rated

Every reviewer awarded 5 stars, with no ratings below 4. Multiple customers specifically named technicians who exceeded expectations, including Tim Franks for…

1402 Vander Wilt Ln, Katy, TX 77449
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#2

Trilogy AC

4.6(1,003 reviews)

Four of five detailed reviews award five stars, citing transparent pricing, named technicians, and equipment upgrades. The single one-star review attributes…

20435 Westfield Commerce Dr, Katy, TX 77449
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#3

AMS ColdPro

5.0(468 reviews)
Highly Rated

All 463 reviews are 5-star ratings, with customers consistently praising transparent pricing, same-day or next-day response times, and technicians who explain…

5701 4th St Ste 813, Katy, TX 77493
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All AC Replacement Contractors (40 total)

Just Fix It Today

4.8(465)
24/7 Highly Rated

Every reviewer awarded 5 stars, with three customers specifically praising the same-day scheduling during AC…

21819 Katy Fwy Ste B103, Katy, TX 77450
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Service Pros Air Conditioning & Heating

4.9(236)
Highly Rated

236 reviews yield a 4.9 average rating with zero visible negative feedback. Seven reviewers explicitly praise…

2125 Katy Fort Bend Rd Suite 106, Katy, TX 77493
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Mr. Reliable Heating & Air

5.0(199)
24/7 Highly Rated

All six detailed reviews award five stars, with four explicitly naming technician Omar and highlighting his…

21830 Kingsland Blvd #101a, Katy, TX 77450
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Total Air Masters A/C & Heating

4.8(248)
Highly Rated

100 percent of reviewers award five stars, with 248 clients collectively noting responsiveness and thorough…

21030 Somerset Park Ln, Katy, TX 77450
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Airtec Air Conditioning & Heating LLC

5.0(171)
Highly Rated

All 171 client reviews award 5 stars, with multiple reviewers naming technician Josh and emphasizing fair…

2910 N Mason Rd ste 7, Katy, TX 77449
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Bill Anderson Air

4.9(179)
Highly Rated

179 reviews aggregate to a 4.9-star average, with every recent review mentioning either crew-level…

21821 Katy Fwy, Katy, TX 77450
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Eddie's Heating and Air

4.8(168)
Highly Rated

Of 8 detailed reviews, 3 customers award 5 stars citing same-day response, fair pricing, and professional…

1415 East Ave Suite B, Katy, TX 77493
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Blowin Cold AC

5.0(135)
Highly Rated

All 135 reviews award 5 stars. Reviewers in 3 separate accounts specifically mention same-day arrival,…

1023 Park Meadow Dr, Katy, TX 77450
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MrGoodguy A/C & Heating

4.7(181)

Four of four narrative reviews commend the diagnostic accuracy and transparency of service delivery, with…

21714 Alta Peak Way, Katy, TX 77449
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Cool It Down Air Conditioning & Heating

5.0(105)
Highly Rated

Every reviewer awarded a perfect 5 stars, with 7 of 7 sampled reviews naming technician Laz by name and…

22136 Westheimer Pkwy, Katy, TX 77450
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Air Blue A/C & Heating

4.8(126)
Highly Rated

Five reviewers mention rapid response times, with three specifically noting same-day or next-day service…

1430 Vander Wilt Ln Suite 1430A, Katy, TX 77449
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Texas Roofing AC Construction LLC

4.9(87)

Five reviewers explicitly commend the teams insurance expertise,with Mr. Ever guiding homeowners through…

25807 Westheimer Pkwy suite #417, Katy, TX 77494
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Cornerstone AC & Heat LLC

5.0(79)
24/7

Seven of seven sampled reviewers specifically mention Joseph by name, indicating he handles a majority of…

22720 Morton Ranch Rd #160, Katy, TX 77449
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J&CR Service LLC

5.0(77)

All 77 reviews award 5 stars, with Gilberto named explicitly by three separate customers for installation…

2010 Wild Peregrine Cir, Katy, TX 77494
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AMS A/C & Heating

4.9(65)

Sixty-four of sixty-five reviewers award perfect 5-star ratings, with the remaining review providing 4 stars.…

3130 N Fry Rd, Katy, TX 77449
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Texas Air Care Air Conditioning and Heat

4.8(58)
24/7

Four of five detailed reviews award five stars and name the owner John by name, praising his diagnostic…

19946 Cresent Creek Dr, Katy, TX 77449
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Katy's Comfort A/C and Heating

5.0(41)

Forty-one reviews yield a perfect 5-star average with zero comparative ratings below the top tier. Seven of…

24915 Ranch Lake Ct, Katy, TX 77494
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AirMaster Services

3.9(116)
24/7

Across the sampled reviews, five clients specifically credit a technician named Jim with same-day arrivals,…

720 Thomas Ave, Katy, TX 77494
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EHCOS

5.0(36)

All 36 reviews award 5 stars, with customers frequently highlighting same-day service availability and fair…

22615 Castello Lakes Dr, Katy, TX 77449
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Katy's Heating & Cooling Crew

4.9(37)

All eight detailed client reviews award five stars, reflecting a 100% satisfaction rate across service…

1507 Drexel Dr, Katy, TX 77493
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RP AC SERVICES AND REMODELING

4.9(36)
24/7

Positive reviews emphasize speed of response and diagnostic accuracy, with one client noting same-day arrival…

25714 Bottlebrush Sedge St, Katy, TX 77493
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Total Air Conditioning Co

5.0(22)

22 reviewers collectively awarded a perfect 5-star rating, with 6 of 7 sampled reviews explicitly praising…

3103 Williams Cir, Katy, TX 77449
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Superior Comfort

5.0(19)
24/7

All nineteen reviews award five stars, with clients specifically naming Marcos, Claudia, Alcides, and Javier…

24285 Katy Fwy Suite 300, Katy, TX 77494
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All States Air Duct Pro | Katy

5.0(17)
24/7

All 8 displayed reviews award perfect 5-star ratings, with 3 clients specifically acknowledging transparent…

5611 George Bush Dr, Katy, TX 77493
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Mid-Tex HVAC

4.8(17)

All seventeen posted reviews award 5 stars, with owner Shawn or Shawn O'Brien named in every testimonial as…

1450 W Grand Pkwy S Suite G 449, Katy, TX 77494
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Air Condition Relief

5.0(15)

All seven publicly posted reviews carry five-star ratings, with four clients specifically mentioning same-day…

2507 John Crump Ln, Katy, TX 77449
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Air Chek Service Cooling & Heating

4.6(19)
24/7

Fourteen of nineteen reviewers award 5 stars, with recurring praise for technician politeness, clear…

5507 Opal Cove Ct #0595, Katy, TX 77494
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AC Replacement Costs in Katy

Replacement costs for aging systems in Katy. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,500$8,000$11,000
Central AC (4-ton, mid-efficiency)
$7,500$10,500$14,000
Central AC (5-ton, high-efficiency)
$9,500$12,500$16,000
Full HVAC system (AC + furnace)
$11,590$13,430$14,100
Plus ductwork replacement
If existing ducts are aged/leaking
$2,100$3,000$4,000
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Katy, TX: What to Expect

Katy’s position on the edge of the Houston metro means summers that routinely hit 95°F with 90%+ morning humidity, and a cooling season that effectively runs about six months. That climate drives steady demand for reliable installs and replacements; 42 contractors advertise services in the area, averaging a 4.8 rating across 8,537 reviews, and 13 firms list 24/7 support for urgent calls — search ac-replacement Katy for local options.

Specific line-item cost data wasn’t provided here, so prepare for wide variance based on equipment capacity, SEER rating, needed ductwork repairs, and labor. Texas requires HVAC contractors to hold a TDLR Class A or Class B license depending on system size, and that licensing affects who can legally install larger commercial-capacity systems. Homeowners should obtain multiple written estimates that list equipment, labor, permits and warranty coverage before committing.

Customer highlight details weren’t included in the brief, so look instead for recurring strengths in reviews: clear load calculations, attention to moisture removal and proper refrigerant charge, timeliness, and follow-up service. Confirm any named technician and ask for a reference, warranty terms, and a maintenance plan. Given Katy’s humidity, emphasize contractors who demonstrate experience with latent load control and duct sealing.

Frequently Asked Questions

AC replacement in Katy runs $2,100-$16,000 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.

All HVAC Contractors in Katy, TX

Complete directory of 99 contractors — browse alphabetically

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