Expert Tankless Water Heater Installations & Replacements

Our Featured Tankless Water Heaters

  • Non-Condensing or High-Efficiency Condensing Systems
  • Residential, Manufactured Home & Commercial
  • Integrated Recirculation (in some models)
  • WiFi Capable
  • Integrated Cascade Logic
Rinnai Tankless
  • High-Efficiency Condensing Systems
  • Residential, Manufactured Home & Commercial
  • Integrated Recirculation (in some models)
  • WiFi Capable
  • Cascading Capable
Navien Tankless
  • High-Efficiency Condensing Systems
  • Residential or Manufactured Home
  • Linking Capable
  • Remote Controller
  • 25 Year Warranty
Noritz Tankless

Tankless water heaters are compact water heating units that provide hot water as it is needed. They do not store and keep hot 40-, 50-, 75- gallons of hot water like traditional tank-type water heaters. Instead, when a hot water tap is turned on, a sensor detects the water flow and activates the tankless heater instantly heating the water. You’ll have unlimited hot water and the ability to run multiple showers whenever you need it.

Over time a tankless water heater will rack up savings thanks to far superior energy efficiency. Fueled by natural gas or petroleum tankless water heaters reduce your energy consumption by 20% and reduce greenhouse gas emissions.

Rinnai tankless vs tank water heater

Tankless water heaters have significantly longer lifespans than tank water heaters, lasting almost twice as long in some cases. The systems are less susceptible to pinhole leaks and corrosion because they do not store water. After a certain age repairing tank water heaters becomes as costly as replacing the entire unit. Tankless systems are engineered with parts that can be easily replaced or repaired. Tankless water heaters will typically last more than 20 years, compared with 8-12 years for traditional tank type heaters.

Tankless water heaters are as big as a carry-on suitcase!

Tankless water heaters are wall mounted and about the size of a carry-on suitcase. The small footprint of the system means big space savings and the ability to fit the unit in small spaces like crawlspaces, closets and attics. The small size and flexibility of a tankless water heater makes it one of the best solutions for replacing low-boy water heaters.

Hot Water Now! is the most experienced tankless water heater installer in Colorado. Since 2007 we have offered high-efficiency tankless water heating solutions for both homeowners and businesses along the front range, in the metro area and mountain towns.

Explore the tankless water heaters Hot Water Now! provides.

Top 10 Reasons to Go Tankless

1. Wall-hung, compact, ultra-efficient tankless systems provide endless hot water to multiple fixtures for 20+ years.

2. Tankless water heaters are super energy efficient with UEI efficiencies up to 0.96 saving hundreds of dollars annually.

3. Hundreds of dollars in rebates are available the instant the unit is installed.

4. Cold groundwater temperatures and high elevation are challenges easily overcome by tankless systems. Consult with and hire an expert who understands how to properly size and install tankless units in Colorado’s climate.

5. 15 year warranties are available for residential applications.

6. Integrated recirculation systems provide instant hot water at the fixture.

7. Tankless systems do not store water, preventing catastrophic floods and stand-by heat loss.

8. Engineered for a long life, tankless systems will perform reliably 2-3 times as long as their tank type counterparts.

9. Wi-Fi compatible and smart home integration. Tankless units with digital connectivity can control temperature, recirculation, and monitor water or energy usage via phone app.

10. Are you curious to know if a tankless water heater is the right option for your family and your home? Contact us and one of our Hot Water Now! licensed and factory trained tankless technicians will evaluate you home and your family’s water usage to help you decide if a tankless unit is right for you.

Natural gas or petroleum, hundreds of dollars in rebates are available the instant we install your new energy efficient water heater, tank, hybrid and tankless. Click here to learn more about rebates.

Hot Water Now!starstarstarstarstar4.9 / 5

616 Total Reviews /files//hot_water_now-logo_sm.jpg720-934-8711$1677 Wadsworth Boulevard, Suite A, Lakewood CO

Tankless water heater cascade installation.

Installing, cleaning and repairing hot water systems makes up 100% of our work. Hot Water Now! Is a Rinnai ACE Pro™ and was the first company in Colorado to become a Navien Service Specialist. We are Rheem ASP (Authorized Service Provider) and factory trained by Noritz, Bradford White, AO Smith, State, Duravent, Viega and many more tankless, tank and hybrid water heater, parts, and venting manufacturers.

Schedule a FREE Site Visit & Estimate

Water Heater Service & Repairs

Hot Water Now! offers service and repairs for all brands of tankless, tank and hybrid water heaters. Our technicians are factory trained and have the experience to advise and repair your hot water appliances. For more information about tankless water heater repair and maintenance click here.

Conventional Gas and Electric Tank Water Heaters

Hot Water Now! installs and repairs all brands of tank type water heaters. Click here for more information.

How Tankless Water Heaters Work

With a tankless water heater, cold water is heated only when needed, and it stays hot until you're done using it. Resulting in an endless supply of hot water and little to no wasted energy.

  1. A hot water fixture is turned on
  2. Tankless water heater senses the need for hot water
  3. Cold water enters the system
  4. Flame ignites and heats the heat exchangers
  5. Water preheats as it passes through the secondary heat exchanger
  6. Warm water continues to heat to desired temperature as it passes through stainless steel primary heat exchanger
  7. Hot water exits the unit and travels to the water fixture where it is needed
  8. Flame output adjusts as needed to maintain water temperature during use
  9. When hot water usage is complete, water stops flowing and the flame turns off
We are your local Rinnai ACE Dealers

We're Your Local
Rinnai ACE PRO Dealer

We are proud to be recognized as one of the top tankless water heater dealers in Colorado by Rinnai.

Tankless services from Hot Water Now!

About Hot Water How!

Since our founding in 2007, the technicians at Hot Water Now! have dedicated themselves to providing professional tankless water heater repair and service in the Denver Metro area. Many companies claim they service tankless water heaters, only a few are Rinnai Advanced Comfort Expert™ PROS, Navien Service Specialists, or Rheem ASP (Authorized Service Provider). We have the years of experience and depth of understanding to perform expert maintenance on tankless water heaters. Your tankless system was designed to last 20+ years, our goal is to provide the maintenance to make that happen.

Hot Water Now! Is licensed and insured. Our Colorado plumbing license number is PC.0003145.
Refferal List

Hot Water Now! is a proud member of In order to become a business recommended by Tom Martino we were required to pass a background check, adhere to a strict code of ethics and solve customer problems professionally.

Easy, that’s how we’ve always done business.

Tankless services from Hot Water Now!

We carry, install, repair and maintain all water heater brands.

©MPN Media & Marketing 2022