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Need a Plumber in Knoxville? We’re Ready to Help!

Upgrade your home with a tankless water heater installed by the experts at Tennessee Standard Plumbing. Serving Knoxville and the surrounding areas, we specialize in tankless water
heater installations that provide continuous hot water, improved energy efficiency, and a space-saving design ideal for modern homeowners.

With over 1,000 five-star Google reviews, Tennessee Standard Plumbing is known for exceptional service. Our expert installations ensure reliable performance, energy savings, and
long-lasting results.

Contact us today for professional tankless water heater installation in Knoxville!

4 Steps. No Surprises.™
01

Schedule Your Appointment

02

Professional Evaluation

03

Custom Pricing Options

04

Expert Service Delivery

Why Choose Professional Tankless Water Heater Installation?

Professional installation ensures that your tankless system is perfectly configured to meet your home’s specific needs. Our state-licensed plumbers size the unit, handle the electrical, gas, and venting connections, and configure the system for quick hot water delivery throughout your home. This precise setup eliminates issues like temperature fluctuations or low flow when multiple taps are in use.

Expert installation means steady hot water for showers, laundry, and dishwashing simultaneously, with no waste from a traditional storage tank. It provides both immediate comfort and long-term value for your home.

We offer complete tankless water heater installation in Knoxville, including a complimentary in-home sizing visit and an upfront quote. Ask about our seasonal pricing and flexible financing options.

Boby and Kelton wearing light blue polo shirts stand with arms crossed in front of a Tennessee Standard-branded van.
Signs You May Need Tankless Water Heater Installation in Your Knoxville Home

You don’t have to wait for your current tank to fail to consider a tankless upgrade. Here are signs that it might be time for a change:

  • Running out of hot water during consecutive showers

  • Waiting too long for hot water in distant bathrooms

  • Leaking or aging tanks nearing the end of their life

  • High utility bills due to standby losses from a traditional water heater

  • Limited space for a bulky tank; a compact tankless unit could free up space

  • A remodel adding more bathrooms or a soaking tub that requires higher flow rates

Bobby and Kelton wearing light blue polo shirts stand with arms crossed in front of a Tennessee Standard-branded van.
Why Choose Tennessee Standard Plumbing?
  • Highest rated plumbing company in Knoxville
  • Easy online booking & same-day service
  • 0% financing available
  • The owner is a fifth-generation master plumber
  • Smart, licensed plumbers you can trust
  • Surface protection
  • Quality craftsmanship
  • No surprises, just straight answers
Our Guarantees
  • We Own It Guarantee

    If something goes wrong with our
workmanship, we make it right—no
excuses, no runaround, even if it means covering the cost ourselves.

  • Upfront Pricing Guarantee

    You’ll always receive multiple options and a clear price before any work begins. Once you approve, that price won’t change.

  • On-Time Guarantee

    We respect your schedule. If we miss our arrival window, we waive the service fee.

Benefits of Tankless Water Heaters
  • Lower Energy Use: Unlike traditional water heaters, there’s no standby heat loss, leading to potential savings on utility bills.
  • Compact Design: Tankless water heaters are wall-mounted and take up minimal space, freeing up room in closets or garages.
  • Long Service Life: With routine maintenance, tankless water heaters can deliver reliable performance for many years.
  • Consistent Temperature: Advanced controls maintain a steady temperature at the tap, reducing temperature swings.
  • Faster Hot Water Delivery: Add a recirculation pump to reduce wait times and water waste, especially in distant fixtures.
  • Smart Controls: Many units come with app monitoring, usage tracking, and alert systems for easier maintenance.
  • Flexible Configurations: Choose from whole-home, point-of-use, or hybrid setups based on your home’s needs.

If you’re remodeling or replacing an aging tank, Tennessee Standard Plumbing will help you size and install the perfect system for your home’s requirements.

Real Reviews. Real Results. See Why Tennessee Homeowners & Businesses Trust Us
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The plumber who came out to our home, William Gough, was personable, professional, and knowledgeable. He talked us through the repair every step of the way. We will definitely call Tennessee Standard Plumbing for any further needs.

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- Lisa A.

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We contacted Tennessee Standard to replace the drain pipes in our home. When they came out to perform the replacement they also
checked our main sewer line, which was also 
in need of replacing. Patrick was able to
immediately work up an estimate for the
mainline repair and was able to fix…

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- Sharai K.

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We had multiple plumbing issues and Patrick Bordine was highly recommended. Not only did Patrick fix our issues, he shared his knowledge and provided multiple options. Since moving to TN and trying multiple plumbers, we have definitely found our “go to” plumber! Tennessee Standard and Patrick Bordine proved to be reliable and knowledgeable.

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- Penny A.

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Had an overall great and professional experience from first call to get scheduled all the way to the end in getting our kitchen draining issue resolved. Will definitely use them again and would refer them to anyone.

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- Jason S.

Got Plumbing Problems? - We Diagnose Fast and
Fix it Right the First Time.
Common Questions About Tankless Water Heater Installation in Knoxville

Yes, tankless water heaters can replace most tank units. However, some situations may require electrical upgrades or gas line modifications to maximize performance.

Tankless units are compact, needing only 2-3 square feet of wall space, compared to traditional tanks that require 6-8 square feet of floor space.

Annual professional maintenance, primarily descaling to remove mineral buildup, is necessary to keep your tankless system running efficiently.

Installation typically takes 4-8 hours, depending on the complexity of your system and any required infrastructure modifications.