Local Services Inc. | St. George & Washington County, Utah
Tankless Water Heater Installation & Repair in St. George, Utah
Tired of running out of hot water or working around an aging storage tank? Local Services Inc. installs, replaces, repairs and maintains residential tankless water heaters in St. George and nearby Southern Utah communities.
Our licensed plumbers help you compare Noritz, Rinnai, Navien and Rheem, then select equipment that fits your household's hot-water demand, available fuel supply and budget.
Local St. George team
Licensed & insured
Installation, repair & maintenance
Residential & light-commercial experience
Hot water, when your home needs it
Upgrade to On-Demand Hot Water
A tankless water heater heats water as it passes through the unit rather than keeping a large storage tank hot all day. Properly sized systems can supply a continuous stream of hot water within their rated capacity, take up less space and reduce standby heating losses.
If two showers, a washer and a kitchen faucet run together, total flow and the required temperature rise determine whether one unit is enough. We'll evaluate your home rather than promise performance based on a headline gallons-per-minute figure.
Hot water on demand
A properly sized system heats water while you use it. Simultaneous fixtures still have a maximum available flow.
More usable floor space
Compact, wall-mounted equipment can free the floor space previously occupied by a large storage tank.
Less standby heating
Tankless equipment avoids keeping a large tank hot all day. Actual savings depend on usage, fuel costs and equipment efficiency.
Serviceable for the long term
Appropriate descaling and routine care help protect the heat exchanger and other components.
Not sure whether tankless is right for you? Talk with our plumbing team. Explore all our St. George plumbing services.
Installation & replacement
Tankless Water Heater Installation in St. George
Building, remodeling or replacing a traditional tank? Our installation process starts with actual demand: bathrooms, household size, fixture use, incoming water temperature and your current heater's location.
We examine fuel supply, combustion air, venting, electrical power, water connections, service access and condensate drainage where applicable. Any needed changes should be identified before you approve a quote. We install to the manufacturer's instructions and applicable codes, then review basic operation.
Request an installation quoteReplacing a traditional tank
Switching from tank to tankless can be a smart upgrade, but it isn't always a direct swap. If a storage tank is a more practical choice, we'll explain that too. Compare our water heater repair and replacement services.
Replacing an existing tankless unit
Repeated hot-water interruptions, fault codes or costly repairs deserve an assessment. We evaluate targeted repair versus replacement and compatibility with your current gas supply, plumbing layout and venting.
Equipment chosen for your home
Tankless Water Heater Brands We Install and Service
We recommend a model based on your specific home and installation, not just the name on the cover. Features and availability vary by model; we'll explain the options appropriate for your project.
Noritz
High-efficiency gas tankless systems, including retrofit-focused EZ Series models and select recirculation options. We match the unit to your installation conditions.
See our real Noritz installationRinnai
Residential gas tankless and high-efficiency options. Compare capacity, controls, installation requirements and ongoing maintenance before choosing a model.
Navien
Condensing gas tankless systems, including models with recirculation-related features. The right configuration depends on your home's piping and hot-water habits.
Rheem
Tankless equipment alongside the conventional tanks featured on our water-heater page. We help compare the right technology and size for your home.
Compare conventional water heatersManufacturer warranty coverage belongs to the selected equipment, not a blanket Local Services Inc. warranty. Exact terms, registration, installation and use requirements should be reviewed for your model.
Real work. Local experience.
Noritz Tankless Water Heaters
This completed St. George installation shows a wall-mounted Noritz heater, its plumbing connections and the Local Services Inc. sticker. Our work starts with your home's actual layout and hot-water needs.
Noritz offers high-efficiency gas tankless systems, including retrofit-focused EZ Series models. EZ Series Pro uses top-mounted water connections, which can simplify some traditional tank replacements. Select units also offer recirculation features.
Certain models carry extended limited heat-exchanger warranties. Eligibility and coverage depend on the exact model, use, installation and applicable manufacturer terms. We review the warranty for the equipment recommended for your home.
Ask about Noritz options for your homeGet to the cause
Tankless Water Heater Repair & Troubleshooting
No hot water, fluctuating shower temperature, an ignition problem or a recurring fault code? Our plumbers diagnose the issue and explain repair or replacement options.
Common areas to evaluate include water-flow restrictions, mineral scale, inlet filters, venting and air supply, ignition components, temperature sensors and maintenance history.
Before you call
- Note the brand, model and displayed fault code, if safely visible.
- Describe when the problem happens and which fixtures are affected.
- Never bypass safety controls or attempt gas-connection repairs.
If you smell gas, leave the area and contact your gas utility or emergency services from a safe location.
Southern Utah water quality matters
Protect Your Tankless Water Heater From Hard Water
Hardness minerals can accumulate in tankless heat exchangers, impair performance and increase maintenance needs. In St. George and Washington County, water quality should be part of the installation conversation—not an afterthought.
We can discuss water testing, an appropriate flushing or descaling schedule and whether a whole-home softener suits your property. Explore our water softener and water treatment services.
Tankless maintenance and descaling
Recommended maintenance depends on the unit, measured water hardness, water volume and manufacturer instructions. There is no single service interval that fits every home.
- Review fault codes and maintenance history.
- Inspect the installation and service access.
- Clean inlet screens and flush scale when appropriate.
- Discuss model-specific care and warranty requirements.
A practical comparison
Tankless vs. Traditional Tank: Which Fits Your Home?
Compare performance, available space, installation changes and maintenance—not just the equipment price. A tankless upgrade is worth considering, but a correctly sized storage tank may still be the better fit.
| Consideration | Tankless water heater | Traditional storage tank |
|---|---|---|
| Hot-water delivery | Continuous heating within rated capacity | Stored hot water; the tank can be depleted |
| Space | Usually wall-mounted and compact | Requires space for a storage tank |
| Upfront installation | May need gas, venting or drainage upgrades | Often a simpler like-for-like replacement |
| Efficiency | Can reduce standby heating losses | Varies by tank design, fuel and efficiency |
| Maintenance | Water quality and descaling are particularly important | Flushing, anode and safety checks as applicable |
For conventional systems, see our water heater repair and replacement page. We'll provide an estimate based on your actual home, not a generic online price. Ask about available financing options, subject to approval and current terms.
From first call to tested hot water
Our Installation Process
Discuss your demand
We ask about bathrooms, simultaneous fixtures, household size and the hot-water problems you want to solve.
Inspect the site
We check the current heater, gas or electrical supply, venting, service access and water-quality concerns.
Compare your options
We explain suitable equipment, installation work and costs before you decide whether to move forward.
Install, test & explain
We test hot-water performance and review controls, maintenance needs and the selected manufacturer's warranty terms.
Washington County, Utah
Residential Tankless Service Across Washington County
Our local team understands the water-quality concerns and changing hot-water needs of established homes and new construction in Southern Utah. We serve St. George, Washington, Hurricane, Santa Clara, Ivins, La Verkin, Toquerville and surrounding areas.
- St. George
- Washington
- Hurricane
- Santa Clara
- Ivins
- La Verkin
- Toquerville
See our Washington County service areas and contact us to confirm scheduling for your address.
Planning a commercial project?
This page focuses on residential systems. For a business, apartment development or commercial property, contact our team about commercial water heater installation and service so we can discuss the appropriate project scope.
Straight answers for homeowners
Frequently Asked Questions
How much does tankless water heater installation cost in St. George?
The quote depends on the selected unit, household demand and whether gas lines, venting, electrical connections or condensate drainage need modifications. Contact Local Services Inc. for an assessment and itemized recommendation.
Can I replace my 40- or 50-gallon tank with a tankless water heater?
Often yes, but it is not necessarily a direct connection swap. We first check the existing location, gas or electrical capacity, venting and water-flow requirements to determine whether the conversion makes sense for your home.
Which is better: Noritz, Rinnai, Navien or Rheem?
Each offers models suited to different priorities. We compare actual equipment, features, installation conditions, maintenance needs and installed cost, then recommend appropriate capacity for your household rather than choosing by brand name alone.
Will a tankless water heater give me instant hot water at every faucet?
Not automatically. A tankless system heats on demand, but water still travels through the piping. Certain recirculation setups can reduce wait time, depending on the home's plumbing and the selected equipment.
Do tankless water heaters need maintenance in St. George?
Yes. Hard-water mineral scale can affect performance. Maintenance intervals should follow the manufacturer's guidance and measured water conditions. Flushing or descaling and an appropriate water-treatment strategy may be recommended.
Do you repair existing tankless water heaters?
Yes. Call (435) 567-7777 with the symptoms, brand, model and any displayed fault code so we can determine the next service step. Do not bypass safety controls or work on gas connections yourself.
Do you install tankless water heaters in Hurricane and Washington, Utah?
Yes. Our residential service area includes St. George, Washington, Hurricane, Santa Clara, Ivins, La Verkin, Toquerville and surrounding Washington County communities. Contact us to confirm scheduling for your address.
Ready to take the next step?
Get a Tankless Water Heater Quote From a Local St. George Plumber
Ready to upgrade, troubleshoot an existing unit or explore options? We'll explain the equipment and installation requirements before you commit.
Get In Touch
Request service in St. George, UT
Call, fill out the form, or stop by. We'll get back to you quickly to schedule your repair, install, or estimate.