St. George Plumbing,
Heating & Air Experts
Full-service plumbing, heating, air conditioning, and water treatment. 48+ years keeping Southern Utah families comfortable, safe, and worry-free. Available 24/7.
IAPMO Certified
Verified Credential
Certiflow Components
Certified Components
Generac Authorized
Authorized Dealer
Licensed & Insured
Full Protection
4.9★ Google
Customer Reviews
5.0★ Angi
Top Rated Pro
5.0★ HomeAdvisor
Customer Rating
IAPMO Certified
Verified Credential
Certiflow Components
Certified Components
Generac Authorized
Authorized Dealer
Licensed & Insured
Full Protection
4.9★ Google
Customer Reviews
5.0★ Angi
Top Rated Pro
5.0★ HomeAdvisor
Customer Rating
What We Do
Our Services
From routine plumbing repairs to complete HVAC installations, we handle it all with 48+ years of expertise.
0+
Years of Trust
About Marlin Plumbing
Built on Trust, Backed by Decades
Southern Utah's climate is unlike anywhere else — 110°F summers, hard water running 15–25 grains per gallon, and desert soil that shifts under your foundation. Generic plumbing and HVAC companies don't account for any of that. We do.
Our technicians work in Washington County every day. We know which neighborhoods have the worst scale buildup, which soil conditions stress sewer lines, and how to size AC systems for the real heat loads this desert produces. That local knowledge means faster diagnoses, better recommendations, and repairs that actually hold up out here.
0+
Years
24/7
Emergency
4.9★
0
Cities
How It Works
Simple, Honest Service Every Time
Call or Schedule Online
Reach us at (435) 287-4445 or schedule online. We'll confirm the next available appointment.
Diagnosis & Options
An experienced technician diagnoses the issue and explains the available repair or replacement options.
Expert Repair or Install
We complete the work to the highest industry standards, using quality components and following all local codes.
Review the Completed Work
We clean up and walk you through the completed work, including applicable care or maintenance guidance.
Why Choose Us
The Marlin Difference
When you invite someone into your home, trust matters more than anything. Here's why St. George families choose Marlin.
48+ Years Experience
Established in 1978, we bring decades of expertise to every job.
Verified Credentials
Licensed and insured, IAPMO certified, with Certiflow-certified components where applicable.
24/7 Emergency Service
Call us anytime, day or night, for fast emergency response.
Upfront Pricing
We explain the scope and cost before any work begins.
Locally Owned
Family owned and operated — our team lives right here in St. George.
Clear Communication
We explain the problem, options, and price before work begins.
Southern Utah
Washington County & Surrounding Areas
Service Areas
Proudly Serving Southern Utah
Based in St. George, our technicians serve homeowners and businesses throughout Washington County.
St. George
UT
Bloomington
UT
Santa Clara
UT
Washington
UT
Ivins
UT
Hurricane
UT
La Verkin
UT
Springdale
UT
Rockville
UT
Virgin
UT
Apple Valley
UT
Toquerville
UT
Leeds
UT
Gunlock
UT
Veyo
UT
Pine Valley
UT
New Harmony
UT
Enterprise
UT
Cedar City
UT
Parowan
UT
Home Emergency?We're On Our Way.
Burst pipes, no heat, AC failure, or sewer backups: call any time. We'll confirm availability and the current arrival window when you call.
Frequently Asked Questions
Common Questions
Yes. Marlin Plumbing Heating & Air answers emergency plumbing calls around the clock throughout the St. George area. Whether it's a burst pipe at midnight or a sewer backup on a holiday, call us at (435) 287-4445 for the current response window.
We serve St. George, Bloomington, Hurricane, La Verkin, Leeds, Toquerville, and the surrounding Washington County communities. Our technicians know the area inside and out.
Yes. Marlin is licensed and insured, IAPMO certified, and uses Certiflow-certified components where applicable. Ask us which credentials and warranties apply to your specific project.
We service the major heating and cooling brands commonly installed in Southern Utah. Call with your equipment make and model so we can confirm parts and service availability before dispatch.
We recommend a professional tune-up twice a year — once for heating before winter and once for cooling before summer. Regular maintenance extends the life of your system, improves efficiency, and helps prevent costly breakdowns.