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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.™
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Schedule Your
Appointment

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02

Professional Evaluation

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Custom Pricing Options

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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.

Tankless water heaters in Knoxville, TN
Signs You 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

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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
  • Icon of a red shield with a circular orange center, featuring a green checkmark. A yellow banner below suggests security and protection.

    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.

  • A gold medal with a dollar sign

    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.

  • Illustration of an open hand holding a gold badge

    On-Time Guarantee

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

The 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.

Five wall-mounted tankless water heaters with connected pipes and valves are installed along a wall in a utility room.
Real Reviews. Real Results. See Why Tennessee Homeowners & Businesses Trust Us
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Why Tennessee Standard Plumbing is the Gold 
Standard for Knoxville Plumbing

“ I feel comfortable calling and sending Tennessee Standard in my house to fix a problem. He respected my home just like I do. To us, Tennessee Standard is the gold standard.

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.

Tankless water heaters work well in many Knoxville homes, especially for households seeking consistent hot water and better energy efficiency. We evaluate your home’s setup before recommending a system.

Yes, when properly sized. A correctly selected tankless system can supply hot water to multiple fixtures simultaneously. Proper sizing is essential for performance.

Our plumbers remove the existing unit, install the new tankless system, complete required connections, and test the system to confirm proper operation before finishing the job.

You can schedule a consultation by calling (865) 352-9003 or by submitting a request through the contact form. Our team will review your home and hot water needs.

Select tankless water heater installations may qualify for promotional offers. Available specials vary and can be reviewed on our Specials page.

Financing options may be available for qualifying tankless water heater installations. Payment options can be reviewed on our Financing page or discussed with our team during scheduling.

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