12 AC Installation Contractors in St. George, UT

4.8 avg rating
3,748 total reviews6 offer 24/7 service
Need emergency service? 6 HVAC providers in St. George offer 24/7 availability

Top-Rated AC Installation Contractors in St. George

#1

S&S Mechanical - Plumbing Heating Cooling

4.9(1,671 reviews)
Highly Rated

Every reviewed interaction earns 5 stars. Technicians named in reviews include Logan, Riley, Tyler, Trevor, Miles, Chachi, and Alex. Reviewers consistently…

4008 S 1630 E St #3, St. George, UT 84790
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#2

Triple-T Heating & Cooling, LLC

4.9(987 reviews)
Highly Rated

Five of six sampled reviewers specifically mention same-day or next-day service response times, with technicians arriving within stated windows. Three reviews…

815 Redrock Rd #9, St. George, UT 84770
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#3

Southwest Cooling and Heating

4.9(285 reviews)
Highly Rated

All eight accessible reviews award five stars, with technicians Riley, Bridger, Michael, and Justin each named positively for specific actions ranging from…

3662 S River Rd Bldg A3, St. George, UT 84790
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All AC Installation Contractors (12 total)

Air Care Professionals

4.9(211)
Highly Rated

Positive reviews emphasize diagnostic skill and technician loyalty, while a smaller subset cite pricing…

1478 S 270 E STE 2A, St. George, UT 84790
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A-1 Services, Inc.

4.7(229)
24/7

229 reviewers collectively award a 4.7-star average, with every detailed review receiving 5 stars. Multiple…

47 N 600 E, St. George, UT 84770
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Five Star Air Conditioning, Heating & Plumbing

4.8(180)
24/7 Highly Rated

All reviewers give 5-star ratings, with multiple customers specifically praising same-day or next-morning…

988 W Sunset Blvd Ste 10, St. George, UT 84770
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Element Plumbing, Heating and Air

5.0(90)
24/7

All 90 reviewers award 5 stars, with Anthony mentioned by name in multiple reviews for same-day response,…

1240 E 100 S #201e, St. George, UT 84790
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D Blake Electric & Refrigeration

4.6(85)
24/7

4 of 5 detailed reviews award 5 stars, with customers specifically naming Hunter and Sawyer as technicians…

685 Redrock Rd, St. George, UT 84770
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First Service Mechanical

5.0(4)
24/7

All four reviews award five stars, with client feedback highlighting professional technician interactions and…

955 N 1300 W Suite 15, St. George, UT 84770
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AC & H Services Inc.

4.0(4)

Two of four reviewers praise responsive same-day scheduling and technician Shawn's punctuality during…

4012 S River Rd suite 5-H, St. George, UT 84790
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Cold-Tech Refrigeration

5.0(1)
24/7

The single five-star review describes years of reliable service in Salt Lake City and equally satisfactory…

946 W Sunset Blvd # F, St. George, UT 84770
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Nextech

5.0(1)

A single 5-star review exists for this business, providing limited quantitative sentiment data. No named…

803 E Venture Dr, St. George, UT 84790
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AC Installation Costs in St. George

New central AC installation costs in St. George, by system type and brand.

ServiceLowAverageHigh
Window unit
$162$378$756
Ductless mini-split (single zone)
$2,160$4,860$8,640
Central AC replacement (existing ducts)
$3,780$7,020$12,960
Central AC new install (with ductwork)
$7,560$12,960$21,600
Carrier (residential)
$4,104$6,696$11,340
Trane (residential)
$5,400$9,504$14,688
Lennox (residential)
$3,780$7,020$12,960
Rheem (residential)
$3,456$5,940$9,720

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

Frequently Asked Questions

New AC installation in St. George costs $162-$21,600 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.