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435-817-8181
★★★★★  Owner-operated · St. George based

Southern Utah's
trusted AC, heat
& plumbing pros.

Twenty-five years in the trade. Started Five Star in 2020 to do it the way I always wanted — no call center, no upsell scripts, no franchise playbook. Just our crew, our standards, and our name on the truck.

Call 435-817-8181
Google Guaranteed UT Lic. 11804992-5501 Licensed & insured NV HVAC #93578 NV Plumbing #93610
Five Star Air Conditioning, Heating & Plumbing trucks at a St. George job site
4.9 from 200+ neighbors
Same-day service
|
Flat-rate pricing
|
25 years in the trade
|
UT #11804992-5501
|
No upsell scripts

Trucks across the entire Southern Utah corridor.

St. George-based with techs working from Bloomington up to Parowan every day. We'll be at your door — usually faster than you'd expect.

St. George (HQ) Hurricane Cedar City Washington Ivins Santa Clara La Verkin Toquerville Leeds Bloomington Parowan Enoch
What we do

Three trades.
One crew you trust.

Most home services companies bring in subs for the trades they don't do well. We don't. AC, heating, and plumbing are all in-house — same trucks, same standards, same people.

Air conditioning

Repair, install, and tune-ups for every brand. Same-day service in summer when you need it most.

  • AC repair (any make/model)
  • New system install & replacement
  • Annual tune-ups & maintenance
  • Mini-splits & ductless
See AC services →

Heating

Furnaces, heat pumps, mini-splits. No-heat calls answered 24/7, December through February especially.

  • Furnace repair & install
  • Heat pump service
  • Mini-split heating
  • Emergency no-heat calls
See heating services →

Plumbing

Water heaters, leaks, drains, repipes. Licensed Utah and Nevada plumbers — not subs we found on Craigslist.

  • Water heater repair & install
  • Leak detection & repair
  • Drain cleaning
  • Whole-home repipes
See plumbing services →
Who you're calling

25 years in the trade.
One simple rule.

I've been working on AC, furnaces, and pipes in this part of the country for 25 years. Started Five Star in 2020 because I wanted to build a home services company the right way. No call center routing your call out of state. No upsell quotas pinned to the techs. No corporate playbook telling us to push the most expensive option.

Just my crew, my standards, and my name on the truck. We're based on Sunset Blvd in St. George, and my son Tanner runs that side of the shop with me. Same standards. Second generation, same family.

The rule is simple: do honest work, charge fair prices, and answer the phone. That's how we run every job, every day.

Justin DeMille

2001
Started in the HVAC trade
2020
Founded Five Star
2024
Tanner joins the shop
Now
3 trucks, 5 techs, 200+ ★★★★★
Tanner DeMille standing in front of his Five Star service truck in St. George
Tanner DeMille
Second Generation
★★★★★
Second generation

Meet Tanner,
working alongside dad.

"I grew up around this work — running parts to job sites before I could drive. Now I'm working alongside my dad here in St. George, helping run the day-to-day. If you call us, there's a good chance I'm the one who'll either show up or send the tech who will."

"Same standards my dad set. Same name on the truck. That part doesn't change."

— Tanner

Why Five Star

Five things bigger guys won't promise you.

A real human, every call

No "press 1 for service." You get someone who works at Five Star — day, night, Christmas morning, whenever.

No upsell quotas

Our techs aren't paid commissions on what they sell. They get paid to fix what's broken and tell you the truth.

Free second opinions

Got a $10K quote from another company? Call us before you sign. We'll come look — no charge, no pressure.

Same-day in season

Three trucks, fully stocked, dispatched out of St. George. Most calls get a same-day window.

Flat-rate, no surprises

The price we quote you on-site is the price you pay. No padded "additional labor" lines. No upcharges discovered halfway through the job. The number we say up front is the number on the invoice.

Request service

Tell us what's going on.

Drop your info below and we'll call you back fast — usually within the hour during business hours. Or just dial 435-817-8181 and a real human picks up.

★★★★★ 4.9 from 200+ Google reviews

What folks across
Southern Utah say.

Service area

Washington & Iron counties.
Plus Clark County, NV.

Based in St. George, dispatched daily across Southern Utah and Mesquite.

St. George UT ★ Home base Washington UT Hurricane UT Ivins UT La Verkin UT Cedar City UT Springdale UT Mesquite NV
Find us

Stop by the shop on Sunset.

Office hours Monday–Friday, 8 to 5. Need us after hours? The phone still rings to a real human — day, night, weekends, holidays.

Address
988 W Sunset Blvd, Suite 10
St. George, UT 84770
Phone (24/7)
Hours
Office: Mon–Fri, 8am–5pm
Emergency calls: 24/7
Service area
All of Washington & Iron counties, plus Mesquite, NV

No AC? No heat? No hot water?

A real human answers — day, night, weekends, holidays. We'll get a tech to you fast.

435-817-8181