On a Roll Plumbing

Tankless Water Heater Installation in Denton County, Texas

On a Roll Plumbing provides professional tankless water heater installation services for homeowners throughout Denton County, TX. Family-owned and locally operated, we are led by a second-generation Master Licensed Plumber with over 30 years of hands-on plumbing experience, ensuring every tankless system is installed safely, efficiently, and built for long-term performance.

Professional Tankless Installation Done Right

Installing a tankless water heater requires precise knowledge of gas sizing, venting, electrical requirements, and water line adjustments. Incorrect installation can limit performance, reduce efficiency, or even create safety hazards.

With a Responsible Master Plumber from On a Roll Plumbing, you receive a safe, code-compliant installation built to deliver consistent, on-demand hot water for years to come.

We handle everything—from evaluating your home’s setup to final testing—and provide clear guidance on operation, maintenance, and what to expect from your new tankless system.

No shortcuts. No hidden fees. Just dependable service you can trust.

Benefits of Professional Tankless Water Heater Installation

Our team ensures you enjoy all the advantages a tankless unit can offer.

Endless Hot Water

Get unlimited hot water for showers, laundry, dishes, and more — without ever running out.

Energy Efficiency

Tankless systems heat water only when needed, reducing energy use and lowering utility bills.

Space-Saving Design

Compact wall-mounted units free up valuable indoor or garage space.

Reliable Performance

Expert installation ensures safe, efficient operation from the first day onward.

Long-Lasting Solution

Proper installation extends the lifespan of your tankless system, reducing the need for future replacements.

Upfront Estimates

Clear, honest pricing with no surprises.

Clean, Respectful Service

We protect your home, clean our workspace, and leave everything tidy.

Family-Owned Expertise

Local service from a small team that values trust, quality, and craftsmanship.

Signs You May Need a Tankless Water Heater

Even if your current water heater is working, it might not meet your home’s needs efficiently.

On a Roll Plumbing helps Denton County homeowners decide when it’s time to upgrade to a tankless system for reliable, on-demand hot water.

Hot water runs out quickly in multiple bathrooms.

You’re remodeling your home or adding a bathroom.

Your family’s hot water needs have increased.

Your current system is inefficient or costly to run.

Our Installation Process

Here’s what you can expect when you call On a Roll Plumbing:

Friendly Consultation

We discuss your needs and help you choose the right unit.

System Evaluation

We inspect your home setup to ensure proper installation.

Upfront Pricing

You get a clear quote before any installation begins.

Professional Installation

We install your new system with expert care and precision.

Final Testing & Cleanup

We verify performance and leave your home spotless.

Find Answers to
Your Questions Here

Do you provide water heater services across all of Denton County?

Yes. We provide water heater services for residential homes throughout all of Denton County, including Denton, Lewisville, Flower Mound, Corinth, Little Elm, The Colony, Sanger, and the surrounding communities.

Absolutely. All our technicians are fully licensed in Texas and trained to work on both traditional and tankless water heater systems.

Most units last 8–12 years, but Denton County’s hard water can shorten that lifespan. Regular maintenance helps extend it.

Yes. We work on electric, gas, tank, and tankless water heater systems.

We offer response times within 24 hours during business hours and prioritize urgent hot water issues.

Yes. We troubleshoot temperature issues, heating failures, sediment buildup, and more.

What types of water heater repairs do you offer in Denton County?

We repair leaks, heating elements, thermostats, gas control valves, ignition issues, and sediment-related problems.

Yes. We can repair or replace faulty valves, connections, or the unit itself if the tank is failing.

Absolutely. We service, descale, and repair tankless systems of all major brands.

Yes. Rumbling or popping often means sediment buildup, which we can clean and flush.

In many cases, yes—especially for Denton County homeowners without hot water.

We’ll provide clear replacement options and help you choose the best unit for your home.

Do you install traditional tank-style water heaters?

Yes. We replace and install all sizes of tank-style units for Denton County homes.

Yes. We install high-efficiency tankless systems that provide endless hot water.

They provide unlimited hot water, lower energy bills, and take up less space.

We assess your household usage, plumbing setup, and energy goals to recommend the right unit.

Yes. We can evaluate your gas line, venting, and electrical requirements to ensure compatibility.

Large families often prefer tank water heaters (50–80 gallons) or high-capacity tankless units that can supply multiple fixtures at once.

How long does a water heater installation take?

Most installations take 2–3 hours, depending on the system type and home setup.

Yes. We safely remove and dispose of your old system during installation.

Absolutely. All installations meet local plumbing codes and manufacturer specifications.

Yes. We match your system to the number of people, bathrooms, and daily usage needs.

Yes. We offer energy-efficient units—including tankless systems—to reduce utility costs.

Yes. We can move water heaters if space, gas lines, and venting allow for safe installation.

How do I schedule a water heater service in Denton County?

You can book online through our Schedule Now form or call us at 940-400-3882.

Yes. You’ll receive a clear, honest estimate before any work begins.

Yes. We offer flexible scheduling and can book ahead for remodels or planned upgrades.

Yes. We confirm your appointment and notify you when our technician is on the way.

We operate Monday–Friday, 7 AM–7 PM. If you contact us during these hours, we will prioritize scheduling as quickly as possible.

We always try to accommodate requests, depending on availability.

See What Our Customers Say About Us:

5.0
Liz Dillard
1 day ago
Very honest and explains things so you understand. Will definitely call him again.
Damaris Negron
2 days ago
It took Jj Jocob to finally resolve the sink clog. I would highly recommend his plumbing company to anyone. They are behold 5 Star.
Rob Mears
3 days ago
Great service. Trustworthy
Clayton Brown
4 days ago
Best Plumbing service I’ve ever had. JJ is simply incredible, efficient, personable, and Trust worthy!! If you’re a skier or snowboarder make sure to ask for a couple stories!!
Response from the owner:Thank you so much Clayton for the outstanding review! JJ sure does love his snowboarding! The On A Roll Plumbing team is grateful for the opportunity to serve you and we appreciate your business. We hope you’ll think of us for your future plumbing needs. (You can always try and sweet talk JJ)
Scott Thomas
5 days ago
On a service call to my home, On a Roll Plumbing showed up on-time, listened to what I needed, and were very professional. The plumber paid a lot of attention to detail and made sure I was 100% satisfied after completing the repair to my tankless hot water heater.

I am very picky about anything done to my home and I would HIGHLY recommend this company. I will be saving their number for any future plumbing needs. Thank you guys!
Photo from customer review
Response from the owner:Thank you for your five star review, Scott! We are so happy to hear that you had such a wonderful experience with the On A Roll Plumbing team. We’re always here if you need us for anything plumbing related!
Mario Tovar
1 week ago
Thanks JJ for your quick, timely, prompt, and efficient repair of the water hear pipe.
JJ explained in detailed the problem, the solution, and the cost in way that makes sense.
Denton County - please support small businesses like On a Roll Plumbing.
Response from the owner:Thank you for your five star review, Mario! We are so happy to hear that JJ was able to help you out and explain everything in a way that made sense to you. We’ll be sure to pass along your kind words. On A Roll Plumbing is always here if you need us!
Fred Franks
2 weeks ago
JJ was very thorough in performing his job. He was able to identify the problem and resolve it in a short period of time. He also was able to put his camera down the pipe to see the status of the pipe and how much a grease was built up in. it definitely would have him come back to do any other services any plumbing services that we needed at both this house in our house thanks, JJ.
Response from the owner:Fred thank you so much for taking the time to leave an outstanding review for JJ. The On A Roll Plumbing team is grateful for your business and support. We look forward to taking care of your future plumbing needs.
Grant Visser
2 weeks ago
What a phenomenal experience. Not only did they answer right away, but they also scheduled me the next day, and then when the weather. What a phenomenal experience.

They responded immediately, scheduled me for the next day, and when the weather changed, they were all set to adjust to my timing. They showed up, finished the work in under 2 hours, and I am very pleased with the result. I highly recommend calling them for all your plumbing needs. Very friendly, family-owned business. changed, they were on the spot, ready to schedule it to my timing. Showed up, completed the work in less than 2 hours, and was very happy with the result.

I highly recommend calling them for all your plumbing needs. VERY friendly family-owned business.
Response from the owner:Grant thank you so much for taking the time to leave an outstanding review. The On A Roll Plumbing team is grateful for your business and support. We look forward to taking care of your future plumbing needs.
Joshua Kolli
2 weeks ago
I’ve received service multiple times, and each experience has been great. JJ’s problem-solving skills are truly commendable, and issues are handled efficiently every time.
Response from the owner:We are grateful for your continued business and support Joshua. The On A Roll team looks forward to continuing to take care of your plumbing needs for years to come.
Ethan Woodward
2 weeks ago
Very good service. Will be using again!
Response from the owner:We are grateful for your continued business and support Ethan. The On A Roll team looks forward to continuing to take care of your plumbing needs for years to come.

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