Same Day Tankless Water Heater Replacement in Frisco

A plumber from Mother Modern Plumbing performing Same Day Tankless Water Heater Replacement in Frisco, Texas

What's Included:

  • Replace or Upgrade to a Tankless
  • 6 Years Parts and Labor: Best Warranty in DFW
  • Fixed-Price Guarantee. No Surprises.

Benefits

  • Never run out of hot water in your busy home.
  • Cut your energy costs with tankless efficiency.
  • Same day installs so you can have a hot shower before dinner.
  • Get Same Day Service!
  • Family Owned and Operated
  • Fix Your Issue 100% Guaranteed
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A plumber from Mother Modern Plumbing performing Same Day Tankless Water Heater Replacement in Frisco, Texas
2115 Teakwood ln Ste 300, Plano, TX, 75075
Hours: 24 Hour Service
(972) 662-8725

Read five Tankless Water Heater Replacement reviews!

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John Harris

Jerry Williams and his crew were amazing. Very professional. Very communicative. Very polite and friendly. They were a pleasure to work with and I would highly recommend them for anyone. I really can’t say enough good things about them.

Verified  review

December 2024

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Bill Case

We called Mother Modern Plumbing for a quote to replace an older tankless hot water heater. Their quote came in much lower than other quotes we received. They were able to quickly install a new tankless unit. They arrived at the very start of the time window, and worked nonstop until completion. They had all required parts to handle both heater installation, gas rerouting, and roof ventilation. They provided electricians to handle the installation of an outlet. Very complete installation! Also, all communications with this company via phone, text, and email were all handled in a very quick turnaround time. They really cared that I had every question answered; both before and after installation. You are never left hanging and no question is left unanswered.

Verified  review

January 2025

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Tina Maz

Tyler Herriage came to give a quote for installing a new tankless water heater. He was very professional and explained everything thoroughly. Also he used shoe covers before entering the house which I appreciate a lot.

Verified  review

June 2025

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Joseph Clanton

Great company. My favorite part is their good communication practices which are hard to find in today's world. Great service provided by Tyler and Melvin. Did a good job being flexible with my ever changing schedule and doing an in depth analysis of my issues and explaining numerous options that could fix the problems faced. Completely satisfied with the services received. Would recommend them to anyone and will use them again in the future

Verified  review

July 2025

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Thomas Bosco

Matt and his apprentice, each of whom were professional and courteous, did a superb job installing a new tankless water heater at my Dallas townhome. Matt fully explained the installation process beforehand and completed the job in just two hours. I’m now a satisfied customer of Mother Modern Plumbing.

Verified  review

June 2025

Plumber in Frisco standing and smiling in front of the Frisco Discovery Center, wearing a uniform shirt with the name "Colton Tradesman" and "Mother" logo, with the building and its signage visible in the background.

Tankless Water Heater Replacement in Frisco: Precision Hot Water Solutions

An ice-cold shower at 6 AM and banging noises from your water heater mean one thing- it’s time to replace your existing unit. Whether you’re replacing an existing tankless or buying your first, Mother’s Frisco experts specialize in tankless water heater installation.

Many Frisco homes built between 2000 and 2015 were outfitted with first-generation tankless units. In neighborhoods like Phillips Creek Ranch, these units are now hitting their 15-year failure window. 

You deserve a water heating system of a higher, more enduring quality that can keep up with your family’s modern needs. We’re here to provide it anywhere in Frisco.

Frisco’s Specialist for Professional Tankless Upgrades and Same-Day System Installation. Fixed-Rate Quotes, and Total Property Protection.

Call Mother 24/7 for expert tankless water heater installation in Frisco.

Problems With Existing Tankless Units in Frisco

  • Recurring digital error codes: Your unit flashes codes like 11 or 12, which are safety locks that stop the burner from firing.
  • The "cold water sandwich": You get hot water for a minute, then a burst of cold, then hot again because internal sensors are failing.
  • Insufficient flow for large homes: Your existing unit in Richwoods struggles to provide hot water to three showers at the same time.
  • Visible mineral scale: White crust on the unit’s connections shows that Frisco’s water is winning the battle against your heat exchanger.
  • Fluctuating gas pressure: Your unit shuts down when the furnace kicks on because the original builder-grade gas line is too small.

Mother’s Tankless Technicians Are Built Different

photos from tankless water heater installation job in frisco, tx, mother modern plumbing

We provide a full technical audit of your home’s hot water demand. We do not just "swap a box." We ensure your gas supply, venting, and flow rates are perfectly calibrated.

  • Same-Day Installation: We specialize in Rinnai, Navien, Bradford White, and AO Smith units- many of which are already on our fully-stocked trucks. We restore your hot water before your evening routine begins.
  • Gas Line Expertise: Many modern units need more fuel. We handle gas line upgrades in-house so you do not have to hire a second contractor.
  • We Do the Legwork: We manage the City of Frisco permit office for you. We pull the paperwork and ensure the final inspection clears on the first pass.

Frisco’s Hard Water Damages Aging Water Heaters

Frisco’s water has a hardness level of 146.5 ppm. This mineral content acts like an insulator inside your existing unit’s heat exchanger. Over ten years, this scale makes the unit run hotter and work harder, which leads to cracked components. If you have a tank, it causes that rumbling and rattling as it crusts the bottom.

Additionally, Frisco’s building boom led to many homes having undersized gas lines. We focus on these technical details to ensure your new system is optimized.

Frisco Neighborhoods Where Tankless Units Thrive

  • Newman Village: These custom homes feature high-end fixtures that require precise water pressure. We install modern units here that integrate with your smart home system for total control.
  • Phillips Creek Ranch: With many large, multi-generational households, peak water demand is high. We install high-flow Rinnai and Navien units here that can handle four simultaneous showers without a temperature drop.
  • Richwoods: This gated community has homes that are now reaching the age where first-generation tankless units fail. We provide a clear migration path to newer, more efficient models that use less gas and provide more heat.

Mother’s Commitment to Transparent Installation

Replacing a failing, 15-year-old unit with a modern system is an investment in your home’s equity. Modern units are up to 30% more efficient than the ones installed during the local building explosion. 

We provide a fixed upfront price for the replacement. This includes the new unit, the gas line check, the Master Plumber oversight, and the Frisco permit. You get the data and the protection your home deserves for the next twenty years.

What to Expect During Tankless Installation: Day-Of Process

photo of navien tankless system installed by mother modern plumbing in frisco, tx attic
  • System Audit: We review your existing unit's error history and check your gas pressure to find the root cause of the failure. We won’t install a unit that just repeats your existing problems.
  • The Precision Install: We remove the old unit and install a modern, high-efficiency system using professional-grade brass fittings and stainless steel venting.
  • Gas Supply Verification: If your new unit needs more fuel, we upsize your gas line the same day to meet manufacturer specs.
  • Code Verification: We handle the City of Frisco permit and prepare the system to pass the city inspection on the first try.
  • The Red Carpet Exit: We use double-boot covers and floor protection. We leave your home cleaner than we found it and explain how to use your new digital controls.

Restoring Frisco’s Hot Water With Confidence

You deserve a tankless water heating system that is engineered to perform for decades. Mother Modern Plumbing delivers the technical proficiency and professional respect your household deserves. 

Our technicians make data-based decisions and offer proficient same-day replacements. You can stop worrying about your shower and start enjoying a water heater that works perfectly.

Call Mother 24/7 to install a new tankless water heater in Frisco.

Common Frisco Questions About Tankless Installation

  • Why is my new unit more expensive? Modern units often require larger gas lines or new venting to meet current Frisco safety codes. We include these in our fixed upfront price.
  • Do I need a permit? Yes. The City of Frisco requires a permit for all tankless water heater work. Mother handles the paperwork and the inspector for you.

Related Frisco Services

Tankless Descaling | Tankless Water Heater Repair

Tankless Water Heater Replacement Experts Serving Neighborhoods Across Frisco

From the tree-lined streets of Stonebriar to the luxurious homes of Phillips Creek Ranch, our tankless water heater replacement services cover every corner of Frisco. Whether you're in Heritage Lakes, Starwood, Hollyhock, or Edgestone at Legacy, we understand each neighborhood's specific water heating needs. We provide expert tankless water heater replacement, repair, and maintenance across all of Frisco's 80+ communities including Preston Hills, Panther Creek, and The Shores At Waterstone. Our services also include tankless descaling, water heater flush, instant hot recirculation pump installation, and floodstop auto-shut off systems—ensuring every Frisco resident has reliable, efficient hot water no matter which part of this thriving Texas city you call home.

Emerson Estates

This newer development west of the Dallas North Tollway features spacious homes built between 2014 and 2017 on quarter-acre lots. With construction dating to the 2010s, these properties typically have modern PEX plumbing and energy-efficient fixtures throughout. The relatively recent builds mean most original water heaters are entering their middle lifespan, making now an ideal time for homeowners to consider proactive water heater flush services to extend equipment longevity. Frisco's moderately hard water at 8.6 gpg can lead to mineral accumulation in these newer systems, and we often recommend whole-house water softeners to protect appliances and reduce scale buildup. The smart home features common in these builds pair well with upgrades like smart water shutoff valves for added protection.

Lake Hill Village

Positioned in west Frisco near Lebanon Road, this established community features homes constructed primarily between 2001 and 2006. These early 2000s builds typically feature a combination of copper supply lines and PEX, with homes now approaching 20-25 years old. Homeowners in this neighborhood commonly face issues with aging water heaters that have exceeded their typical 10-15 year service life. The mature landscaping throughout the community, while beautiful, can contribute to sewer line concerns from root intrusion, and we frequently provide hydro-jetting services to clear blocked lines. Original copper piping in some homes may also develop pinhole leaks due to water chemistry and age, making electronic leak detection valuable for early problem identification.

The Shores At Waterstone

This gated lakeside community at Lebanon Road and Highway 423 features upscale homes built from 2006 through 2015 on lots ranging from 0.2 to 0.5 acres. The mix of mid-2000s and newer construction means plumbing systems vary from early PEX installations to more modern configurations. With the community's proximity to water features and extensive irrigation systems, yard leak detection becomes especially important for property maintenance. The larger estate-style homes often have multiple water-intensive features like pools and outdoor kitchens, making water line repair and water pressure testing common service needs. Many homeowners also invest in whole-home water filtration to protect their luxury fixtures and appliances from hard water effects.

Common Q's about Tankless Water Heater Replacement

Can I get a tax credit for a tankless water heater?

Are tankless water heaters more efficient than tank water heaters?

What types of water heaters do you install and repair?

What tankless water heater brands do you install?

Why are electric tankless water heaters not advisable for Dallas?

Get Your Frisco Tankless Water Heater Replacement Knocked Out Fast

Make your home care easier, smarter, and stress-free.
Discover the difference with Mother.

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