Have An Emergency? Our Plumbers Are Available 24/7

We are quick, reliable, efficient, trustworthy, accommodating and most of all, knowledgeable about the trade. So contact us today so we can be of your immediate service!

Why Choose Us?

Expert Tankless Water Heater Installations

Choose James Armstrong Plumbing for expert tankless water heater installations in Mesquite, TX. Enjoy continuous hot water, energy savings, and reliable solutions for uninterrupted comfort and eco-friendly operations. Make the smart choice for your home heating needs.

Fast & Effective

Join the tankless water heater revolution! Enjoy endless hot water, save on energy costs, and maximize space efficiency for a more comfortable home living experience.

Industry Experts

Make the switch to our Tankless Water Heaters for a constant supply of hot water, environmentally friendly operation, and space-saving benefits. Trust our experienced team for dependable comfort.

Emergency Support

Switch to tankless water heaters with James Armstrong Plumbing to enjoy continuous hot water, save on energy costs, and rely on dependable installations in Mesquite, TX. Choose smart solutions for your home today!

Kevin Hand


James has taken care of my plumbing for years on my rental properties that I own. I would not go with any other plumber. He does a outstanding job. And the best thing I like about them he guarantees what he does. Thank you so much James

Eric Daniels

Residential Project

James is very knowledgeable about his job. Fast and fair pricing. If needed I will definitely use his service again.

Anthony Yacoub

Residential Project

I highly recommend using James for your plumbing needs. He is professional, courteous, honest and he looks out for his clients best interests. His office is smooth and they keep you informed on progress, this is special for the industry.

Stephanie Lu

Residential Project

Very professional and handled my leak issue within a few hours. James was great to work with and he made the calls for water clean up and restoration. Everything was handled and I didn’t have to think or panic.

Monica Cervantes

Residential Project

I am grateful to James for coming out to fix our toilet on such short notice. The plumber we originally had scheduled wasn't able to make it out so he contacted Armstrong Plumbing to help us. James was out to our house within the hour. He was professional and very knowledgeable! It's nice to have another reliable and prompt plumber to rely on. Thank you!

Get Help From James Armstrong Today

Need Help? Just send us a message.

We are quick, reliable, efficient, trustworthy, accommodating and most of all, knowledgeable about the trade. So contact us today so we can be of your immediate service!
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Cutting-Edge Tankless Water Heater Solutions


Water Shortage

Enjoy continuous hot water and significant energy savings with James Armstrong Plumbing's advanced tankless water heaters in your Mesquite, TX residence. Say goodbye to chilly showers for good!


Wasted Energy

Cut energy waste with on-demand tankless water heaters for efficient heating.


Limited Space

Choose wall-mounted tankless heaters for space-saving solutions in limited areas.



Experience consistent temperatures and uninterrupted comfort with tankless heaters, solving Inconsistencies.



Opt for durable tankless heaters with extended warranties for dependable home comfort.


Eco Impact

Opt for eco-friendly tankless heaters for a sustainable home.

Find reliable plumbers when you need them most

We are quick, reliable, efficient, trustworthy, accommodating and most of all, knowledgeable about the trade. So contact us today so we can be of your immediate service!

Modernizing Water Heating Solutions

Efficient Tankless Water Heating Solutions

Step into a world of innovation with tankless water heaters. Enjoy efficient, space-saving solutions that deliver a constant supply of hot water for your home.

Experience peace of mind with our expert Mesquite TX plumber services. Count on us for reliable solutions that prioritize your comfort and savings.

Tankless Water Heater Retrofit

Expert Sewer Line Repair Services in Mesquite, TX. Trust our skilled team for a seamless fix to your sewer issues. Contact your reliable Mesquite TX plumber for efficient solutions today!

Sewer Line Repair

Efficient and reliable water heater installations by our skilled Mesquite TX plumbers. Quick, dependable, and tailored to your needs. For top-notch water heater solutions, trust our experienced Mesquite TX plumbers to deliver prompt and customized installations.

Water Heater Installation

Your trusted Mesquite TX plumber, dedicated to safeguarding homes from flooding with reliable sump pump services.

Sump Pumps

At James Armstrong Plumbing in Mesquite, TX, we specialize in swiftly detecting and resolving leaks with our reliable water leak detection service. Trust our experienced Mesquite TX plumbers to safeguard your property and reduce water expenses effectively.

Water Leak Detection

Transform your kitchen with our reliable Mesquite TX plumber services. Rely on us for all your kitchen plumbing needs, from repairs to installations. Get in touch today!

Kitchen Plumbing

How we work

Endless Hot Water with Tankless Heaters

Count on our meticulous process for flawless tankless water heater installation, from the first consultation to the final check-up, ensuring a constant flow of hot water in your home.



Tailoring our consultations to your specific hot water needs, energy efficiency goals, and home layout ensures we find the ideal tankless water heater solution for you.


Discuss Solutions

Discover a variety of tankless water heater models with us. Let's guide you through their benefits and assist in selecting the ideal fit for your budget and lifestyle, ensuring a knowledgeable choice.


Perform Work

Our skilled technicians carefully install your chosen tankless water heater, guaranteeing safety compliance for long-lasting performance.


Review Work

After the installation is complete, we conduct a thorough inspection of your system to ensure it performs optimally and meets your satisfaction.

Team member picture

James Armstrong

Owner, Master Plumber

Team member picture

Laticia Roberts

Office Administrator

Frequently Asked Questions About

Tankless Water Heaters

Common Inquiries About Tankless Water Heaters

We've been asked every possible plumbing question over the last 14 years. Below you'll see the ones we're asked the most.

What benefits does switching to a tankless water heater offer?

Can a tankless water heater be a suitable replacement for my current tank water heater?

How do tankless water heaters outperform traditional units?

How frequently should tankless water heaters undergo maintenance?

How long can I expect a tankless water heater to last?

How significant are the energy cost savings with a tankless water heater?

Most Popular Services

Expert Mesquite TX Plumber Services

For expert tankless water heater services in Mesquite, TX, rely on our skilled mesquite tx plumber team for seamless installations, reliable maintenance, and efficient repairs.

Tankless Water Heaters: Endless Hot Water and Energy Efficiency

Elevate your home's hot water system with our state-of-the-art Tankless Water Heater service. At James Armstrong Plumbing, we specialize in the seamless installation and maintenance of high-efficiency tankless systems. Bid farewell to cold showers and welcome a continuous flow of hot water, all while significantly reducing your energy consumption.

How Tankless Water Heaters Work

Tankless water heaters, also known as on-demand water heaters, provide instant hot water whenever you need it. Unlike traditional water heaters that store and continuously heat water, tankless systems only operate when hot water is requested. This efficient process eliminates standby energy losses, leading to lower energy bills for you.

Benefits of Tankless Water Heaters

By upgrading to a tankless water heater, you unlock several benefits that enhance your home comfort and energy efficiency:

  • Hot Water on Demand: Never fret about running out of hot water, especially during peak usage times.
  • Energy Efficiency: Tankless water heaters heat water only when needed, reducing energy consumption and saving you money on utility bills.
  • Space-Saving Design: Compact and wall-mounted, tankless systems free up valuable floor space in your home.
  • Endless Hot Water Supply: Say goodbye to waiting for the tank to refill and enjoy a continuous flow of hot water.

Installation Process

Our installation process commences with a comprehensive consultation to grasp your hot water needs, energy efficiency goals, and home layout. Following a discussion of the best solutions with you, our certified technicians expertly install your chosen tankless water heater while strictly adhering to safety standards. We ensure a seamless installation for long-lasting performance and efficiency.

Maintenance and Reliability

Regular maintenance is crucial to ensuring the reliability and longevity of your tankless water heater. Our team recommends periodic maintenance tasks such as descaling to maintain efficiency and extend the unit's lifespan. With proper care and professional servicing, tankless water heaters can last over 20 years, surpassing the longevity of traditional water heaters.

Experience the Difference

Make the switch to a tankless water heater today and relish the convenience of endless hot water along with significant energy savings. Contact James Armstrong Plumbing to schedule your tankless water heater installation and embark on a journey to a more efficient and comfortable home.