Tankless Water Heater Services in Coupland,TX & Surrounding Areas
Installation, repair, and maintenance of tankless water heaters.
CMM Plumbing LLC proudly offers an exclusive warranty on all completed work.

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CMM Plumbing’s Tankless Water Heater Solutions
We understand the vital role hot water plays in your home or business. That’s why CMM Plumbing offers dedicated tankless water heater services—including tankless water heater installation, repair, and maintenance—in Austin, Buda, or right here in Coupland, and surrounding areas. Our experienced team is equipped to enhance or fix tankless systems from top brands, ensuring efficient, reliable hot water whenever you need it.
Whether you're upgrading to a tankless model or already using one, our certified technicians provide professional tankless water heater care tailored to your needs.
Why Choose a Tankless Water Heater?
If you're tired of running out of hot water or want to cut down on your utility bills, a tankless water heater might be the perfect solution. Unlike traditional tank-style units that heat and store water around the clock, tankless systems heat water only when you need it — delivering hot water on demand with greater energy efficiency. Whether you're building a new home or replacing an old system, tankless water heaters offer long-term performance, space-saving design, and consistent comfort for homes and businesses alike.
Here are just a few reasons Central Texas homeowners are making the switch:
- On-demand hot water without running out
- Up to 30% energy savings by eliminating standby heat lossCompact, wall-mounted design frees up space
- Longer lifespan—typically 15–20 years with proper care
- Reduced risk of leaks and water-damage from stored tanks
Switching to tankless means more efficient, reliable comfort in your home or business.
Tankless Water Heater Repair Services
Tankless water heaters are known for their reliability, but even the best systems can experience issues over time. Whether you're noticing inconsistent hot water, strange error codes, reduced flow, or a complete system shutdown, CMM Plumbing is here to help. We specialize in Tankless Water Heater Repair, and our technicians are trained to diagnose and fix all makes and models of tankless units. We arrive fully equipped with the tools and parts needed to get your system back up and running quickly, so you can enjoy hot water again without the hassle.
Tankless Water Heater Maintenance Services
Routine maintenance is essential to keep your tankless water heater operating efficiently and to extend its lifespan. At CMM Plumbing, our tankless water heater maintenance service includes a full system flush to remove scale buildup, inspection of heating elements and sensors, and performance testing to ensure everything is working properly. Regular upkeep not only prevents unexpected breakdowns but also helps your unit run more efficiently, saving you money on energy bills and future repairs.
Why Choose CMM Plumbing for Tankless Water Heater Installation?
- Expertise: Our licensed plumbers have years of experience installing, repairing, and maintaining tankless water heaters across Central Texas.
- Efficiency: We respond quickly and work efficiently to minimize disruption and restore hot water fast.
- Quality: We use only trusted parts and follow manufacturer guidelines to ensure long-lasting, high-performance results.
- Customer Satisfaction: From your first call to the final walkthrough, we’re committed to honest, reliable service that puts your needs first.
Whether you're installing a new tankless system, dealing with a repair issue, or scheduling routine maintenance, CMM Plumbing is your trusted partner for all things hot water. Contact us today to learn more about our tankless water heater services in Austin, TX, and the surrounding areas.
Tankless Water Heater Certifications
Navien Service Specialist Certification
At CMM Plumbing, we’re proud to be certified as a Navien Service Specialist, demonstrating our advanced knowledge and training in one of the most trusted names in tankless water heater technology. This certification means our team has completed extensive hands-on training in Navien tankless water heater installation, repair, and maintenance, ensuring we can provide expert service tailored to your system. When you call us for your Navien tankless needs, you’re getting proven expertise and a commitment to quality that’s second to none.
Rinnai PRO Certification
We’re also certified as a Rinnai PRO, highlighting our deep understanding of Rinnai’s industry-leading tankless water heater systems. This certification ensures our technicians are fully trained in the proper installation, servicing, and ongoing care of Rinnai tankless units. By choosing CMM Plumbing for your Rinnai tankless water heater, you’re partnering with professionals who follow manufacturer best practices and deliver top-tier workmanship on every job.
Frequently Asked Questions For Water Heaters
Can CMM Plumbing install any type of water heater?
Yes, our skilled technicians can install any type of water heater, including both traditional tank models and modern tankless units. We work with a wide range of brands and models to meet your specific needs and preferences.
What are the benefits of switching to a tankless water heater?
Tankless water heaters offer several advantages over traditional tank models, including endless hot water supply, improved energy efficiency, longer lifespan, and space savings. They can reduce energy bills by heating water only when it's needed, without the need to maintain a large tank of hot water.
How do I know if my water heater needs repair or replacement?
Signs that your water heater may need repair or replacement include inconsistent water temperatures, discolored water, reduced water flow, leaks around the unit, or unusual noises during operation. If you're experiencing any of these issues, our technicians can diagnose the problem and recommend the best course of action.
How often should my water heater be serviced?
We recommend having your water heater serviced at least once a year to ensure it's operating efficiently and to extend its lifespan. Regular maintenance can help prevent unexpected breakdowns and costly repairs.
Do you offer emergency repair services for tankless water heaters?
ButtonYes, we understand that a malfunctioning tankless water heater can be a significant inconvenience. That's why we offer emergency repair services to address urgent issues promptly, ensuring you have access to hot water when you need it most.
How long does it take to install a new tankless water heater?
ButtonThe time required to install a new tankless water heater can vary depending on the type of unit and the specifics of your plumbing system. However, most installations can be completed in a single day, minimizing disruption to your daily routine.
Can a tankless water heater supply enough hot water for a large family?
ButtonYes, tankless water heaters can be sized to meet the hot water demands of any household, including large families. Proper sizing is crucial to ensure a continuous supply of hot water, and our experts can help you select a model that meets your specific needs.
Is it worth repairing an old water heater, or should I just replace it?
ButtonThe decision to repair or replace an old water heater depends on several factors, including the age of the unit, the nature of the problem, and the cost of repairs. Generally, if your water heater is nearing the end of its expected lifespan and facing significant issues, replacement might be the more cost-effective option. Our technicians can provide you with a detailed assessment to help you make an informed decision.
Are there any maintenance tips to extend the life of my tankless water heater?
ButtonYes — regular maintenance is key to keeping your tankless water heater running efficiently for years to come. We recommend flushing the system at least once a year to remove mineral buildup, especially in areas with hard water. It's also important to clean or replace the water filter periodically, check for error codes, and have a professional inspect the unit annually. These simple steps can help prevent performance issues, reduce wear and tear, and extend the life of your tankless water heater.