Tankless Water Heater Near Me in Knoxville, TN | Installs, Repairs & Conversions | Tankless Heater Pros

Knoxville 's only tankless-only company

Upgrade to Tankless in Knoxville, TN — Endless Hot Water Starts Here

Say goodbye to your old tank. Knoxville homeowners are switching to tankless — saving money, saving space, and never running cold again.

✅ Licensed & Insured ⭐ 5-Star Rated 📍 Knoxville Local ⚡ Same-Day Available
📞 Call Now — (865) 407-1147

Monday through Friday: 8:00 AM to 6:00 PM, Saturday: 9:00 AM to 4:30 PM, Sunday: Closed · Serving Knoxville & East TN

🔧 Already own a tankless water heater?

We repair & service ALL major brands — Navien, Rinnai, Rheem, Noritz & more. Same-day service available in Knoxville.

CERTIFIED TO INSTALL & SERVICE

Certified Tankless Installation & Service for All Major Brands in Knoxville

Whether buying new or need service — we know every one of these systems inside and out.

NAVIEN

🇰🇷 South Korean Engineering

Industry-leading condensing efficiency. Navien's smart technology delivers the lowest operating costs of any major brand.

Condensing · Smart · Ultra-Efficient

RINNAI

🇯🇵 Japanese Precision

The world's #1 selling tankless brand. Rock-solid reliability, wide BTU range, and outstanding longevity.

Reliable · Versatile · #1 Worldwide

RHEEM

🇺🇸 American Made

America's most trusted water heater brand for 100+ years. Excellent performance with wide parts availability nationwide.

Trusted · American · Widely Available

NORITZ

🇯🇵 Japanese Innovation

A pioneer in tankless technology since 1951. Compact, powerful, built for demanding high hot water demand homes.

Pioneer · Compact · High-Output

Not sure which brand is right for your home? Our Knoxville specialists will recommend the perfect unit at no charge.

30%
Lower Energy Bills
2–3x
Longer Lifespan
Same-Day
Service Available
5★
Average Rating

WHY KNOXVILLE HOMEOWNERS ARE SWITCHING

Ditch the Tank. Upgrade to Endless Hot Water in Knoxville

Here's why thousands of homeowners are making the switch.

💧

Never Run Out

Endless hot water on demand — no cold showers, no waiting for a tank to refill.

💰

Lower Energy Bills

Tankless heaters use 30% less energy than tanks. Real savings every single month.

📦

Save Space

Wall-mounted units free up your utility room. No more bulky tank taking up floor space.

⏳

Lasts Longer

Quality tankless units last 25-30+ years — twice as long as a traditional tank heater.

OUR SERVICES

Everything Tankless in Knoxville

Upgrading or need service — we've got you covered.

Most Popular
🔥

Tank-to-Tankless Conversion

We handle the full switch — sizing, permits, removing your old tank, and professional installation.

🔨

Repair & Diagnostics

Fast diagnosis and repair for all brands: Navien, Rinnai, Rheem, Noritz. Often same-day in Knoxville.

🔄

Full Replacement

Old unit beyond repair? We replace it with the right high-efficiency system for your home and budget.

HOW IT WORKS

Your Tankless Water Heater Near Me in Knoxville — 4 Simple Steps

1

Free Home Assessment

We visit your home, evaluate your setup and water usage, and recommend the perfect system — at no charge.

2

Custom Design & Flat-Rate Quote

We size the system for your home and give you a clear quote — no surprises, no hidden fees, ever.

3

Professional Installation

We remove your old tank, install the new unit, test everything, and walk you through it before we leave.

4

Protect It with the Tankless Pro Care Plan

Your new system is an investment — keep it running at peak performance for 25-30+ years. Ask about our Tankless Pro Care Plan: annual descaling & flush, full system inspection, priority scheduling, discounted repair rates, and automatic reminders.

ASK ABOUT OUR MAINTENANCE PLAN →

WHAT KNOXVILLE HOMEOWNERS SAY

Real Results in Knoxville, TN

⭐⭐⭐⭐⭐
"Switched 6 months ago — our energy bill dropped immediately and we've never run cold. Best home upgrade we've ever made."
Sarah M., Knoxville
⭐⭐⭐⭐⭐
"Called at 8am with a Navien error code, tech was here by noon and fixed in under an hour. These guys truly know tankless."
James T., West Knoxville
⭐⭐⭐⭐⭐
"From the assessment to the final install, everything was smooth. Fair price, zero upsells, and a very professional crew."
Linda K., Farragut

FREQUENTLY ASKED QUESTIONS

Everything Knoxville Homeowners Ask Before Switching

Straight answers about conversion, costs, and what to expect.

In the Knoxville area, a full tank-to-tankless conversion typically depends on your home's gas line, venting setup, and the unit you choose. We provide a flat-rate quote with zero hidden fees after a free home assessment — so you know the exact number before any work begins.
Most full tank-to-tankless conversions in Knoxville are completed in a single day — typically 4 to 8 hours. Our certified technicians handle everything: removing your old tank, installing the new unit, testing all connections, and walking you through operation before they leave.
Yes, a permit is required for most new tankless water heater installations in Knoxville and Knox County. Tankless Heater Pros pulls all necessary permits on your behalf as part of every installation — it's included, and you don't need to do a thing.
All four are excellent brands and the right choice depends on your home's size, daily hot water demand, gas pressure, and budget. Navien leads in efficiency, Rinnai in worldwide reliability, Rheem in parts availability, and Noritz in high-output applications. Our Knoxville technicians give you an honest recommendation — not a sales pitch.
Most Knoxville homeowners see 20–30% lower water heating costs after switching. Because a tankless unit only heats water when you need it — instead of keeping 40–80 gallons hot 24/7 — the savings are real and continuous. We save the average family 12,000 gallons annually.
Sometimes. Tankless heaters require a higher BTU gas supply than a traditional tank, and some older Knoxville homes have undersized gas lines. We inspect your gas line during the free assessment and include any required upgrade in your flat-rate quote — no surprise charges after the fact.
We recommend annual maintenance for all tankless systems in the Knoxville area. East Tennessee's water has moderate mineral content that can cause scale buildup in the heat exchanger over time. An annual flush and inspection keeps your unit at peak efficiency and protects your warranty.
Yes — same-day service is available Monday through Friday: 8:00 AM to 6:00 PM, Saturday: 9:00 AM to 4:30 PM, Sunday: Closed, across Knoxville and surrounding areas including Farragut, Maryville, Oak Ridge, Powell, and Lenoir City. Call (865) 407-1147 to check availability.

GET STARTED

Free Consultation for Knoxville Homeowners

Whether upgrading or need a repair — a local specialist will contact you within 1 business day.

🔒 Your info stays private. We never spam or sell your data.

✅ Thank you! A Knoxville specialist will be in touch within 1 business day.

Ready to Upgrade or Need a Repair?

Call us directly, get a free consultation, or visit our website.

📞 Call (865) 407-1147