Frisco, Texas — Since 2009
About Best Tankless USA
For over 17 years, Best Tankless USA has solved the bad tankless water heater installation problem — delivering a worry-free system with no maintenance and a full 5-year parts and labor warranty.
17+
Years in Business
Over 500
Pre-Assembled Systems Sold — Overall over 2,500 Systems Sold and Installed
5.0★
Google Rating
5-Year
Parts & Labor Warranty
News from Rheem Manufacturing
"Ray Scott Has Solved the Bad Tankless Water Heater Installation Problem"
With consumer interest growing in sustainable home energy solutions, tankless water heaters have exploded in popularity. Unfortunately, many plumbers lack the knowledge of how to install or diagnose a problem with a tankless water heater — resulting in an unsafe, expensive, and time-consuming installation that, in most cases, will only last a few years.
Frisco, Texas, May 1, 2026. Ray Scott, owner and founder of Best Tankless USA.com, an expert in tankless water heater installations with more than 17 years of experience, has developed a solution to that challenge. Their system saves time and money and is worry-free, with no maintenance.
Did You Know?
Federal government mandated energy-saving requirements by 2027 have eliminated the use of standard tank water heaters. Tankless water heaters are by far the most efficient option — and are now the standard.
2025 FEDERAL TAX CREDIT — CLICK HERE →Why Best Tankless USA
The Right Way to Go Tankless
Full 5-Year Parts & Labor Warranty
Every installation is backed by our exclusive 5-year warranty covering all components under normal operating conditions — parts and labor included.
Pre-Assembly Package — No Surprises
Our TUSAP Rheem/WF365 Pre-Assembly includes the unit, service valves, pump, pan, piping, PVC venting, and WF365/3M 5-micron filtration — all at a fixed price.
17+ Years of Dedicated Expertise
We only install tankless water heaters. That singular focus means every installation is done right the first time — no generalist plumbers, no guesswork.
Crossover Circulation Included
Our TGP Crossover Valve delivers instant hot water to every faucet in your home — no waiting, no wasted water.
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Frequently Asked Questions
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We strive to be in constant communication with our customers. For a free estimate or if you have questions, just drop us a line.
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Where We Serve
Sales & Service Areas
Collin County
North Dallas
East Denton County
Did You Know?
Every 4 minutes, an 8–10 year old tank water heater fails.
Don't wait for a flood. Schedule your free home evaluation today and make the switch to a worry-free tankless system.
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