St. George Full-System
HVAC Installation
New construction, replacement, or upgrade — our licensed team installs complete central HVAC systems built to handle Southern Utah's extreme heat.
- Full central HVAC system installs & replacements
- 12-year parts warranty + 1-year labor guarantee
- Fast, efficient installs — minimal disruption
- Trane & RunTru systems — quality you can trust
- Transparent pricing — no hidden fees
What St. George Homeowners Say
"Desert Comfort Utah replaced our entire HVAC system in one day. Professional, clean, and the new system keeps the whole house cool even in 115° heat. Incredible service!"
— Sarah M.
"Got 3 quotes and Desert Comfort Utah had the best price with the best warranty. Full system installed quickly, everything works perfectly. Highly recommend!"
— Mike R.
"Our old unit died in July. Desert Comfort Utah had a brand new full system installed the next day. Can't thank them enough — truly lifesavers in the Arizona heat."
— Jennifer L.
12-Year Parts Warranty
Fast Professional Installs
Licensed & Bonded ROC 363306
EPA-Certified Technicians
Full-System HVAC Services
Everything you need for whole-home comfort in Southern Utah's extreme climate
Authorized Dealer
RunTru by Trane
Engineered for extreme heat, backed by one of the most trusted names in HVAC. Reliable performance, energy efficiency, and a 12-year parts warranty.
Authorized Dealer
Trane Systems
Premium Trane full-system bundles — industry-leading technology, superior efficiency, and built to withstand Southern Utah's harshest summers.
New System Installation
Complete central A/C and heating system installation for new construction and homes without existing ductwork.
Full System Replacement
Out with the old, in with the new. We remove your old unit and install a modern, energy-efficient system built for Utah heat.
System Upgrades
Upgrade an undersized or aging system to a higher-efficiency model and start saving on your energy bills immediately.
How It Works
Simple, fast, and stress-free from start to finish
Get Your Estimate
Use our online estimator for an instant price, or call us for a custom quote on your home.
Schedule Your Install
Pick a date that works for you. We work fast to minimize time without cooling.
Enjoy Total Comfort
Our EPA-certified techs handle everything — removal, installation, testing — and leave your home clean.
Get an Instant Online Estimate
Answer a few quick questions about your home and get a full-system HVAC price in minutes — no appointment needed.
Get My Online Estimate →Takes less than 2 minutes. No obligation.