St. George Area Plumbing, HVAC, & Electrical Contractors
One Name Does It All
Southern Utah’s trusted name for whole-home service. Delivering comfort, reliability, and craftsmanship for decades.

Serving Southern Utah Since 1996
Licensed & Insured
Upfront Pricing
Local & Family Owned

Thompson Plumbing, Heating, Cooling & Electrical is a locally owned and operated home services company serving St. George, Washington, Cedar City, Hurricane, Santa Clara, Ivins, and the surrounding communities of Southern Utah. Since 1996, Thompson has provided licensed and insured plumbing, HVAC, and electrical services to homeowners across the region, including water heater installation, water softener systems, whole-home repiping, furnace and AC repair and replacement, ductwork services, generator installation, and more. Whether you need an emergency plumber in St. George or a trusted HVAC technician in Cedar City, Thompson’s experienced team is ready to help.
$59
Water Heater Tune-Up
Expires 05/31/26.
OFFER EXPIRES IN
We Let Our Work Do the Talking
No Surprise Charges. Ever.
Every job starts with a clear, upfront estimate. You’ll know exactly what you’re paying before we pick up a single tool.
Licensed Techs, Not Guesswork
Every technician who walks through your door is fully licensed, insured, and trained to handle the job properly, not just quickly.
The Best Warranty You’ll Find
We back our work with some of the strongest warranties in the business because confidence in our craft means we don’t cut corners.
Our Services
Plumbing
From water heater installations and whole-home repiping to water softeners, leak repairs, and water line replacements, we handle the full scope of what Southern Utah homeowners need most.
Heating
Whether your furnace needs a tune-up, your heat pump is acting up, or it’s time for a full system replacement, our HVAC techs get your home warm and keep it that way.
Air Conditioning
From AC repairs and seasonal tune-ups to full system replacements and mini split installations, we keep Southern Utah homes cool when the heat is at its worst.
Sewer & Drains
We tackle clogged drains, sewer line issues, and everything in between, including ductwork cleaning and pipe inspections, so small problems don’t turn into expensive ones.
Electrical
Generators, panel upgrades, EV chargers, wiring repairs — if it runs on electricity in your home, our licensed electricians can handle it safely and up to code.
Real Customers. Real Relationships.
They Said It Better Than We Can
Scroll through them; then give us a call, and become one of them.
12 Months Same-As-Cash Financing
Big Job? Your Budget Doesn’t Have to Flinch.
Life doesn’t schedule emergencies around payday. Thompson offers flexible financing through GreenSky, including 12 months same as cash, so a broken water heater or failing HVAC system doesn’t become a financial crisis. Find out what you qualify for today.
View Financing Options
0% Interest for 12 Months Available
Low Monthly Payments
Apply Online in Minutes
One Call For Every Trade.
Plumbing, HVAC & Electrical Services in St. George, UT
When something goes wrong with your plumbing or HVAC system, you don’t want to wait days or sort through a long list of maybes. Thompson’s licensed technicians cover the full range, from water heater installation and whole-home repiping to water softeners, leak repairs, and water treatment systems. We’ve been handling the most common calls in Southern Utah long enough to know what breaks, why it breaks, and how to fix it right.
On the heating and cooling side, we handle everything from furnace and AC system replacements to ductwork repair, mini splits, heat pumps, and indoor air quality solutions. Our electrical team covers generators, panel work, EV chargers, and more. Whether it’s a planned project or an urgent situation, Thompson has the people, the tools, and the experience to take care of it.
See something you need? Give us a call, and we’ll get you on the schedule.
Call Now (435) 674-5138
Become a VIP Before You Need a Plumber
Our VIP Club members get priority scheduling, waived dispatch fees, and 10% off every service, every time, with no cap. Preventative tune-ups are included, so you stay ahead of the expensive stuff instead of reacting to it.
- Priority Scheduling, Always
- Dispatch Fees Waived
- 10% Off Everything
We’re Not the New HVAC Company In Town
There’s a version of this industry that runs on fast talk, inflated invoices, and technicians you’ll never see twice. Thompson was built as the alternative. Since 1996, this company has operated on a different set of rules: licensed professionals only, upfront pricing always, and a standard of care that treats your home like it matters, because to us, it does.
What started as a family operation has grown into a full team of people who genuinely enjoy what they do and take pride in doing it well. We hire for character as much as skill, because the best technical work in the world doesn’t mean much if the person doing it doesn’t respect you or your home. Learn more about us below.
Water Heater Warranty
Every water heater Thompson installs comes with up to six years of warranty coverage, so if something goes wrong, you’re not left footing the bill.
AC & Furnace Warranty
When Thompson installs your air conditioner or furnace, you get up to 10 years of warranty coverage on both labor and materials, one of the strongest guarantees in the business.
Service & Repair Warranty
Every plumbing and HVAC repair Thompson performs comes backed by a one-year warranty on labor and materials, so if something isn’t right, you’re covered without any hassle.
When Work Is Guaranteed, Worries Go Away
Most companies talk about standing behind their work. At Thompson, we put it in writing. Every service we offer is backed by a real warranty because we’re confident enough in our technicians and our materials to make that promise, and we intend to keep it.
Careers in St. George
Your Next Best Job Is Here
- Competitive Incentive Pay
- Health, Dental, Vision
- Paid Time Off

