HVAC Repair & Installation
in St. George, Utah
Same-week AC repair, furnace service and full system installation across St. George, Washington and Hurricane — with same-day priority for no-cool and no-heat emergencies. Flat-rate pricing, no-commission technicians, 25+ years in Washington County.
AC Installation
High-efficiency cooling
Heating Repair
Furnace & Heat Pumps
Licensed & Insured
Professional protection
Dedicated Service
Local HVAC Experts in St. George, UT
HVAC Services in St. George, Utah
Anyone who's spent a July afternoon in St. George knows the math: when it's 108 outside and your AC quits, you don't have three days to wait for a callback. That's the whole reason DASH exists — we show up fast, we tell you what it costs before we touch anything, and we fix it right.
AC Repair & Installation
- AC Installation & Repair
- Refrigerant Recharge
- Compressor & Motor Repair
- Smart Thermostat Setup
- System Diagnostics
Cooling systems in St. George work harder than almost anywhere in the state. Between May and September, your AC might run twelve hours a day or more, and the dust that blows through during monsoon season loves to pack itself into condenser coils. We see it constantly — a unit that "suddenly died" was usually struggling for weeks, running hot because its coils were coated in fine red dust.
Common calls we handle across St. George, Washington, and Santa Clara: AC blowing warm air or not keeping up on 100°+ days, units short-cycling (turning on and off every few minutes), refrigerant leaks and failed capacitors (the two most frequent culprits here), swamp cooler to central air conversions in older downtown homes, and mini-split repair and installation for casitas, garages, and additions.
If your system is down in the middle of summer, call us — we prioritize no-cool calls and often get a tech out the same day.
Furnace & Heating Repair
- Furnace Repair & Install
- Heat Pump Maintenance
- Coil Cleaning & Service
- Zoning System Install
- Emergency HVAC Service
People assume St. George doesn't need heating service. Then the first week of January rolls around, overnight temps drop below freezing, and a furnace that sat untouched for eight months refuses to light. Ignition failures, cracked heat exchangers, and thermostat faults make up most of our winter calls — and because so many local furnaces only run a few months a year, small problems hide for a long time before they show up.
We repair and replace gas furnaces, heat pumps, and dual fuel systems. Heat pumps in particular make sense in our climate, where winters are mild and the same equipment handles your summer cooling.
Air Quality & Ducts
- Ductwork Repair & Sealing
- Air Purifier Installation
- Indoor Air Quality Testing
- Humidifier Installation
- Filter Replacement
Breathe easier with comprehensive duct cleaning and indoor air purification — especially important with the fine red dust that Southern Utah's monsoon season carries indoors. Sealed, well-maintained ductwork also means your AC and furnace aren't fighting leaks to keep up, which is one of the most overlooked reasons a system runs harder than it should.
HVAC Installation & Replacement
If your system is 12 to 15 years old and the repair bills are stacking up, replacement often costs less over five years than keeping the old unit on life support. We will give you a straight answer either way — our techs do not work on commission, so nobody is pushing you toward a new unit you do not need. Not sure how much life is left in your current system? See our guide on how long an HVAC system should last.
When we do install, we size the equipment to your actual house. That matters more here than in most places. A home in Desert Color with west facing glass needs different sizing than a shaded 1970s block home near the downtown historic district, even if the square footage matches.
Oversized units short-cycle and die young. Undersized units never catch up in August. We do the load calculation instead of guessing.
Replacement quotes are always free, and we will give you good, better, and best options rather than a single take it or leave it number.
Get A Free Replacement QuoteWhy St. George Homeowners Trust DASH
Flat-Rate, No-Surprise Pricing
You approve the price before we start. It doesn't change if the job runs long — that's our problem, not yours.
Licensed and Insured
Every DASH technician is licensed, bonded, and insured. No subcontractors you've never heard of showing up at your door.
Same-Week Scheduling
Same-week appointments are standard, and we hold room in the schedule for emergency no-cool and no-heat calls.
25+ Years of Local Experience
Technicians who have worked on heating and cooling systems in Washington County for over 25 years.
DASH Club Memberships
Proactive HVAC care plans for St. George homeowners, designed to save you money and protect your comfort year round.
- ✓ 50% service call discount
- ✓ Exclusive special offers
- ✓ Seasonal programs
- ✓ No call out fee
- ✓ Annual Inspection
- ✓ Priority Customer Status
- ✓ 5% discount on invoices
- ✓ No call out fee
- ✓ 2 maintenance tune ups
- ✓ 1" or 2" Filters included
- ✓ 10% discount on invoices
- ✓ Priority customer status
- ✓ No call out fee
- ✓ 4 Maintenance tune ups
- ✓ 4 Filter changes total
- ✓ Priority customer status
- ✓ 10% discount on invoices
Where We Work
DASH serves St. George, Washington, Hurricane, Ivins, Santa Clara, and the surrounding Southern Utah communities. Whether you are in SunRiver, Little Valley, Washington Fields, or up in Kayenta, you are inside our regular service area.
📍 135 N 900 E #107, St. George, UT 84770
No travel surcharges. Same-week appointments as standard, with same-day priority when your AC or furnace is completely down.
DASH service truck, St. George, UT
Customer Reviews
Real feedback from homeowners across Southern Utah who trust DASH for fast, reliable service.
Frequently Asked Questions
Straight answers about HVAC service in St. George, Utah.
How fast can you get to me in St. George?
Most repair calls are scheduled within the same week, and during summer we prioritize homes with no working AC, often same day.
Do you charge for estimates on new systems?
No. Replacement quotes are free, and we will give you good, better, and best options rather than a single take it or leave it number.
How often should I service my AC in this climate?
Twice a year, once in spring before the heat arrives and once in fall. The dust load here means coils and filters need attention more often than the national once a year advice suggests.
Do you work on mini-splits and heat pumps?
Yes, both. Heat pumps are one of the best fits for the St. George climate and we install and service them regularly.