FEATURED
Cox Climate Control
VERIFIED
HVACClosed (MDT)
Family-owned HVAC and refrigeration company in St. George providing air conditioning, heating, and refrigeration install...
By the SGWOM Editorial Team · Last updated
What is the best HVAC company in St George, Utah?
The best HVAC company in St George, Utah is a licensed local contractor with strong recent reviews, fast emergency service, and experience with desert cooling loads. Compare at least three companies on Utah license status, warranty terms, and written quotes, then choose the one with the clearest pricing and proven air conditioning expertise.
SGWOM does not name a single winner, because the right contractor depends on your home, your system and your budget. Before you hire, look up the contractor on the Utah DOPL license lookup and confirm the license is active. In the listings below, SGWOM sponsors such as Cox Climate Control appear first, followed by other listings in directory order. SGWOM does not rank contractors by review scores, so read each company's recent reviews yourself.
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24/7 Emergency HVAC Service Available
HVAC emergencies in Southern Utah's extreme climate can be dangerous. Several local HVAC companies offer 24/7 emergency repair for AC failures, furnace breakdowns, and heating emergencies across St. George, Hurricane, Washington, and Cedar City.
Featured HVAC Services
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First Service Mechanical
VERIFIED
HVACOpen Now (MDT)
Commercial HVAC provider serving Southern Utah since 2006 with 24/7 emergency service. Specializing in commercial, indus...
Snow Canyon Heating & Cooling
VERIFIED
HVACClosed (MDT)
St. George HVAC contractor for AC repair and installation, heat pumps, furnaces, ductless mini-splits, maintenance plans...
Arctic Air of Southern Utah
VERIFIED
HVACClosed (MDT)
St. George heating and air conditioning company serving Southern Utah since 1997. AC and furnace repair, installation, m...
HVACClosed (MDT)
Residential and commercial HVAC contractor in St. George, Utah. AC and heating service, system replacement, commercial r...
Air Care Professionals
VERIFIED
HVACClosed (MDT)
St. George HVAC company offering air conditioning, gas furnaces, heat pumps, ductless and dual-fuel systems, zone contro...
EMCO Heating & Air
VERIFIED
HVACClosed (MDT)
Carrier HVAC contractor with offices in St. George and Cedar City. Furnace and AC installation, repair and maintenance, ...
Element Plumbing, Heating & Air
VERIFIED
HVACClosed (MDT)
St. George plumbing, heating, air and electrical contractor. AC and heating installation, repair, maintenance, ductless ...
Marlin Plumbing Heating & Air
VERIFIED
HVACClosed (MDT)
Family owned St. George plumbing, heating and air company since 1978. AC repair, furnace repair, heat pumps, water heate...
Southwest Cooling & Heating
VERIFIED
HVACClosed (MDT)
St. George HVAC company operating since 1980. AC repair, maintenance and installation, furnace and heat pump service, du...
HVACClosed (MDT)
St. George HVAC and plumbing company serving Washington and Iron counties. AC repair and install, furnace and heat pump ...
Dutton Air Care
VERIFIED
HVACClosed (MDT)
Locally owned Hurricane, Utah HVAC company serving St. George and Washington County. AC and heating repair, HVAC install...
HVACClosed (MDT)
Carrier dealer with offices in St. George and Cedar City since 1982. AC and heating installation, repair and maintenance...
Cedar Valley Heating and Air
VERIFIED
HVACClosed (MDT)
Full-service heating, ventilation, and air conditioning company in Cedar City, Utah. Furnace repair, AC installation, an...
, Cedar City
(435) 586-1260
Any Hour Services – St. George
VERIFIED
HVACClosed (MDT)
Electric, plumbing, heating and air company serving St. George and Southern Utah. Furnace, heat pump, mini-split and AC ...
Saturn Air Heating & Cooling
VERIFIED
HVACClosed (MDT)
Owner-operated St. George HVAC service specializing in residential air conditioning and heating repairs and installation...
, St. George
(435) 680-3554
Apex Home Pros Heating + Cooling
VERIFIED
HVACClosed (MDT)
St. George heating and cooling company offering air conditioning installation and repair, heating services, ductless min...
Precision Heating and Air
VERIFIED
HVACClosed (MDT)
St. George HVAC contractor for AC repair and installation, furnace repair and installation, mini-split systems, commerci...
HVAC Services in Southern Utah
Southern Utah's desert climate creates unique demands on heating and cooling systems. Summer temperatures in St. George regularly exceed 110°F, while winter nights can drop below freezing — especially at higher elevations like Cedar City (5,800 ft). Reliable HVAC service isn't just about comfort; it's about safety for families, seniors, and businesses across Washington County and Iron County.
Whether you need routine AC maintenance before summer, emergency furnace repair on a cold winter night, or a complete system replacement, the HVAC professionals listed here are licensed, insured, and experienced with Southern Utah's extreme conditions. From St. George and Hurricane to Washington, Cedar City, and beyond, these contractors understand the unique challenges of keeping homes and businesses comfortable year-round.
How much does HVAC repair cost in St. George, Utah?
HVAC repair costs in St. George vary by problem, system type and company, so request a written estimate before work begins. Simple fixes usually cost far less than part replacements or full system installations. Compare several local providers, ask about diagnostic fees, and confirm licensing and warranty terms before you hire anyone.
How to pick the best HVAC company in St George
Use these checks to narrow the list to two or three contractors worth calling for a quote:
- Utah license: Confirm the contractor holds an active Utah DOPL license and carries insurance.
- Review volume and recency: A steady stream of recent reviews on Google or other platforms counts for more than a high score from years ago.
- Desert-climate cooling experience: Look for a team that regularly services systems running hard through St. George summers.
- Emergency availability: Ask how quickly they can respond to an AC failure, whether they take after-hours and weekend calls, and what the after-hours fee is.
- Warranty: Ask what warranty covers parts and labor, and get the terms in writing.
- Pricing transparency: Get a written, itemized estimate before any repair or installation begins, not a verbal number over the phone.
Looking only in St. George? See all St. George HVAC companies.
What to compare before you hire in St George, UT
- Cooling capacity for 100°F+ summers: St. George summer highs regularly pass 100°F. Ask for a Manual J load calculation rather than a system sized on square footage alone.
- Heat pump versus furnace: Winters are mild, so a heat pump can handle most heating days. A gas furnace or a dual-fuel system adds backup for the coldest nights. Ask each contractor to price both options.
- Quote requirements: Each written quote should list the equipment brand and model, efficiency rating, labor, permit, removal of the old unit, and warranty. Collect at least three so you can compare like for like.
Sources: Utah DOPL license lookup; National Weather Service climate data.
HVAC Services FAQ
What are the best HVAC companies in St. George, Utah?
St. George has several reputable HVAC companies including Cox Climate Control, a family-owned business serving all of Southern Utah. When choosing an HVAC provider, verify their Utah DOPL contractor license, check reviews, and confirm they offer emergency service — critical during St. George's extreme summer heat that regularly exceeds 110°F.
How often should I service my HVAC system in Southern Utah?
In Southern Utah's extreme climate, HVAC systems should be serviced twice a year — once in spring before the intense summer heat and once in fall before winter. Regular maintenance extends system life, improves efficiency, and prevents expensive emergency breakdowns during triple-digit summer days.
Do HVAC companies in St. George offer emergency service?
Yes, several HVAC companies in St. George, Hurricane, and Cedar City offer 24/7 emergency repair service. Cox Climate Control and other local providers understand that HVAC failures in Southern Utah's extreme temperatures can be dangerous, especially for seniors and young children.
Where can I find furnace repair in St. George or Cedar City?
Furnace repair is available from multiple licensed HVAC contractors across St. George and Cedar City. Southern Utah winters can drop below freezing, making furnace maintenance essential. Local companies offer same-day furnace repair, replacement, and seasonal tune-ups. Cedar City at higher elevation experiences even colder winters, making reliable heating critical.
What HVAC services are available in Cedar City, Utah?
Cedar City HVAC services include AC installation and repair, furnace maintenance and replacement, heat pump service, ductwork inspection, and emergency repairs. Cedar City's higher elevation (5,800 ft) means colder winters and unique heating demands compared to St. George. Several Southern Utah HVAC companies serve both St. George and Cedar City.
How do I check if an HVAC contractor is licensed in Utah?
Search the company name or license number on the Utah Division of Professional Licensing (DOPL) license lookup at secure.utah.gov/llv. The result shows the license type, status and expiration date. Confirm the license is active before you sign a contract, and ask the contractor for proof of liability insurance.
Is a heat pump or a furnace better in St. George?
Both work in St. George. Winters are mild, so a heat pump can heat and cool most homes from one system. A gas furnace, or a dual-fuel system that pairs a heat pump with a furnace, adds backup for the coldest nights. Ask each contractor to quote both options for your home.
HVAC Services by City
Browse heating and air conditioning contractors serving specific Southern Utah cities.
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HVAC contractors handle home heating and cooling. For automotive A/C repair and car air conditioning service, see our dedicated guide.
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