Tankless water heaters have many advantages over traditional water heaters like unlimited hot water supply, cost savings to saving our environment by going green. Choosing and Buying the right tankless water heater could be a challenge as there are many options available. You can find the top 10 tankless hot water heaters on this page to help you narrow down to what you want depeding on your specific needs. This top 10 list is not ranked in any way meaning #1 is no better or worse than #10. Selecting the right heater solely depends on your personal needs.

This is a high end bigger more expensive natural gas tankless water heater. Like all tankless water heaters, you will get an endless supply of water. You are not limited by the size of the water tank. This heater delivers 7.2 gallons per minute and is capable of supplying hot water to two or three applications at the same time. For example, you can take a shower and also use the washing machine or dishwasher without running out of hot water. It costs about $1100 and weighs about 80 pounds. Keep an eye on your gas bill as this machine will consume  a lot of gas.

2. Eemax tankless water heaters

Eemax makes both electric and natural gas tankless hot water heaters. Some of their electric heaters are very cost effective.  They manufacture both "Single Point" and "Flow controlled" water heaters and Thermostatic, Series Two, Series Three, Three Phase Tankless Water Heaters and Mini-Tank Electric Water Heaters. Eemax has one of the largest selections of Tankless Electric Water Heaters for use in industrial, residential and commercial applications. Eemax brand definitely belongs in the top 10 list of tankless water heater manufacturers.

 3. Noritz tankless water heaters

4. Rheem tankless water heaters

5. Takagi heaters One of the top 10 tankless water heaters. About 20 inches high and weighing about 40 pounds, the takagi Jr. is the most compact unit in the Takagi line. Designed to produce endless hot water and radiant heating for smaller homes, The T-K Jr. uses the same innovative technology as the original Takagi units. This is a natural gas heater unit.

6. Chronomite tankless water heaters Chronomite Laboratories patented the first microprocessor controlled tankless water heater providing unlimited hot water simultaneously to multiple locations with one heater. Chronomite Tankless Electric Water Heater products include Instant-Flow SR, Instant-Flow Micro and Instant-Temp.

7. Stiebel Eltron This manufacturer is one of the top 10 tankless water heater manufacturers and they are known for their point-of-use heaters. The combination of meticulous German engineering and the best available materials ensure that every water heater is of the highest quality and designed for many years of trouble-free service.The Stiebel Eltron Mini tankless water heaters are ideal for restrooms or kitchenettes in an office or commercial / industrial setting: Office Buildings, Gas Stations, Stores, Schools, Condominiums, Restaurants, etc.

8. Watts

9. Bosch RP27PT Powerstream Pro Electric Tankless Water Heater

10. Rheem Electric Commercial Water Heater This top 10 tankless water heater manufacturer made it as it is designed to provide hot water at the consumption point, eliminating costly temperature loss in long piping runs. Point-of-Use heaters are small enough for installation in limited spaces under counters, mop sinks, cabinets, or any remote area where modest quantities of hot water are required. They are ideally suited for applications in retail stores, public restrooms, office washrooms, kitchen and mop or bar sinks.