Best Commercial Tankless Water Heater Reviews (2019)

0

Commercial tankless water heater is widely used for hotels, malls, hospitals, small businesses and other public places. They stand out from the residential type due to the flow rate, power, and water demands.

Many companies and public places are seeing the need for commercial tankless water heaters as the residential types are limited in some ways.

Selecting the right commercial tankless water heaters will result in meeting the business and organisations needs while remaining efficient.

In this article, we will discuss the best commercial tankless water heater reviews based on verified users and customer feedback accomodating to all size organizations with different fuel type (electric,gas, propane) options depending on what is suitable for your business.

Here is our top 10 findings.

Comparison Table for 10 Best Commercial Tankless Water Heaters 

Name Rating Prices Fuel Type Application type Location
 

Rinnai RUC98iN

4.4 out of 5 stars (4.4 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Multiple Points Indoors
Eemax EEM24018 4.1 out of 5 stars (4.1 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Electric Whole House Indoors
Eemax EEM24027  4.7 out of 5 stars (4.7 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Electric Whole House Indoors/Outdoors

Rinnai RL94eP

4.2 out of 5 stars (4.2 / 5)

Read Reviews

CHECK PRICE ON AMAZON Propane Whole House Outdoors
Rinnai RLX94iN  5 out of 5 stars (5 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Indoors

iHeat Tankless S-16 240V 66A

 4 out of 5 stars (4 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Electric Point of use Outdoors
Takagi T-K4-IN-NG  4.2 out of 5 stars (4.2 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole house Indoors
Stiebel Eltron 224199 240V  4.4 out of 5 stars (4.4 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Electric Whole House Indoors

Takagi T-D2-OS-NG

 4 out of 5 stars (4 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Outdoors
Rinnai RL75eN  3.9 out of 5 stars (3.9 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Outdoors

Best Commercial Tankless Water Heater Reviews

If you are looking to get an excellent commercial tankless water heater for your business or company, the models selected have proven to be effective for many organizations.

In this section we will go into detail in each one of the top models and go through the pros and cons of each.

Rest assured the selections below is the result of hours of research through collecting and analysing customer opinions and feedback. Hence, we present to you authentic and helpful information that will guide you in your search.

The list is not in any order whatsoever. First on the list is:

1

Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe

  • Fuel Type: Natural Gas
  • Application Type: Multiple points
  • Location: Indoor
  • GPM: 9.8 gpm
  • Energy Efficiency: 95%
  • Size: 10 x 18.5 x 26 inches
  • Weight: 82 pounds
  • Display: Digital
  • Warranty: 5 years

Rinnai commercial tankless water heater review is one of the top heaters designed for commercial use with high-end features. With a maximum power output of 199,000 Btu per hour, it can handle everything you throw at it. It is compact and can be installed anywhere hence helps saves space.

With a 95% thermal efficiency, you can expect impressive energy saving capacity from this unit. With this top commercial tankless heater, you can raise your water temperature from 98F to 185F. It employs a safe electronic ignition system with low emission.

There is an installation manual that guides you on getting it installed right. It works effectively and you get an unlimited supply of hot water at constant temperature

I am text block. Click edit button to change this text. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

PROS:
  • High efficiency
  • Works quietly
  • Detailed installation manual

CONS:
  • Takes a few minutes to get hot water flowing

User Rating:

4.4 out of 5 stars (4.4 / 5)

2

Eemax EEM24018 Electric Tankless Water Heater Blue

  • Fuel Type: Electric
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 3.5 GPM
  • Energy Efficiency: 99.8%
  • Size: 17 x 14 x 3.8 inches
  • Weight: 14.5 pounds
  • Display: Digital
  • Warranty: 5 years for leaks and 1 year for part

Eemax tankless water heater stands out among the commercial water heater due to the outstanding features and high energy efficiency. It is your ticket to unlimited hot water demands anytime without restrictions. It operates on the 240 Volts and 18 Kilowatt power source, enough to get hot water running for all your commercial needs

In warm climates, it can serve as much as four showers or sinks at the same time while it handles just a shower with two sinks in colder climates. It features an advanced self-modulating technology. This helps reduce demand on energy hence reducing the overall power bills.

It is made of stainless steel, a material guaranteed to last for many years to come. Irrespective of the demand for hot water on the factory floor, this unit is capable of handling it.

PROS:
  • Pretty compact in size
  • Features advanced energy saving features
  • Installation is straightforward

CONS:
  • Need to purchase extra installation accessories

User Rating:

4.1 out of 5 stars (4.1 / 5)

3

Eemax EEm24027 Electric Tankless Water heater Blue

  • Fuel Type: Electric
  • Application Type: Whole house
  • Location: Indoor/Outdoor
  • Gpm: 5.3
  • Volt: 240 Volts
  • Ampere: 112.5 Amp
  • Energy Efficiency: 99.8%
  • Size: 17 by 17 by 3.8 inches
  • Weight: 17.4 pound
  • Display: Digital
  • Warranty: 5 years leakage and 1 years part

Eemax has made itself outstanding the tankless water heater world. Another product recommended for commercial use by this top brand is Eemax EEM24027. This is a simple unit with sophisticated features meant to give a steady stream of hot water for every point and faucet of use.

With a flow rate of 5.3 gallons per minute, this Eemax commercial tankless water heater has got what it takes to handle all your hot water needs. It features a stainless steel construction which helps increase durability and excellent performance.

Part of the outstanding feature that stands Eemax EEM24027 out is the self-modulating technology. This technology allows the device to match its energy needs with the amount of hot water required. In other words, no crazy surge in your energy bills whatsoever.

PROS:
  • We love the impressive lifetime warranty
  • Self-modulating technology and design
  • Continuous supply of hot water
  • Remarkable energy efficiency
  • Easily accessible Jacuzzi water heater parts
  • Customers reported considerable savings in their energy bills

CONS:
  • User will need separate breakers

User Rating: 

4.7 out of 5 stars (4.7 / 5)

4

Rinnai RL94eP Outdoor Propane Tankless Water Heater, 9.4 Gallons Per Minute

  • Fuel Type: Liquid Propane
  • Application Type: Whole house
  • Location: Outdoor
  • Btu: 199,000
  • Gpm: 9.4 gpm
  • Energy Efficiency: 83%
  • Size: 14 x 10 x 23 inches
  • Weight: 44 pounds
  • Display: Digital
  • Warranty: 12 years on heat exchanger, five years on part

With a maximum power output of 199,000 BTU per hour, this Rinnai tankless water heater has all it takes to keep the hot water flowing consistently for your commercial needs. It is one of the most potent units with the ability to drive water at a flow rate of 9.4 gallons per minute. The best part is that the demand on propane usage is limited. This translates to considerable savings on propane per month.

It features an energy star certification and is configured to deliver hot water to temperature as high as 185F. It is an outdoor unit and is made with high-quality material that helps its durability. The heat exchanger features high-grade copper, making it efficient to transfer heat sustainably. It requires no venting as it is to be installed outside only. It is perfect for wall mounting.

It also features a 24-hour programmable controller that allows you to diagnose the unit. This lets you troubleshoot and monitor the unit for any abnormality.

PROS:
  • Energy Star certification
  • Reduced demand on propane
  • Impressive warranty period

CONS:
  • Installation requires an expert

User Rating: 

4.2 out of 5 stars (4.2 / 5)

5

Rinnai RLX94iN Luxury Series Natural Gas Tankless Water Heater, 9.8 GPM

  • Fuel Type: Natural Gas
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 9.8 GPM
  • Energy Efficiency: 82%
  • Size: 54.8 pounds
  • Weight: 50.6 pounds
  • Display: Digital
  • Warranty: Limited 5-year on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)

With an impressive maximum energy output of 192,000 BTU per hour, Rinnai RLX94iN Luxury Series is one of the high end commercial tankless water that has got you covered. Powered by natural gas, it is an indoor unit with energy certification. This makes you qualify for a rebate from the government. Besides, it does not give out toxic gas.

It supplies water at the rate of 9.8 gallons per minute, powerful enough to handle all that you have got going. The unit meets all essential safety requirements and was manufactured under strict compliance.

Everything you need for a seamless operation comes with this tankless heater. Besides, it enjoys high-quality material for construction; hence, it is guaranteed to last years to come.

PROS:
  • An easy and seamless installation process
  • Impressive flow rate

CONS:
  • The unit might be affected by hard water

User Rating: 

5 out of 5 stars (5 / 5)

6

iHeat Tankless S-16 240V 66A 16KW Stainless Steel Enclosure 7.2″ by 11″ by 3″ 1/2″CPT 36′ AWG#8 Electric Water Heater, 7.5 lb

  • Fuel Type: Electricity
  • Application Type: Point of use
  • Location: Outdoor
  • GPM: 3.5 gpm
  • Energy Efficiency:
  • Size: 5 x 9 x 4.5 inches
  • Weight: 3.9 pounds
  • Display: digital
  • Warranty: 1 yr Elements limited 3-Year Components 5-yr leaks

With the capacity to move water at a flow rate of 3.5 gallons per minute, iheat commercial tankless water is one of the leading commercial water heaters available in the market. It features a robust stainless steel construction which enables it last long. This top commercial tankless water heater is recommended for use in commercial kitchens, hospitals, clinics, laboratories, schools and other places where clean water is essential.

With a strong stainless steel construction, it is durable and fit for installation near oceans and water bodies. It is ideal for small yachts, boats, resorts, etc. this is a helpful unit that can save you as much as 60% on your commercial water heating bills.

Controlling the temperature is straightforward as it comes with waterproof construction and an interactive waterproof touchpad.

PROS:
  • Strong and durable construction materials
  • Easy installation
  • Impressive energy saving
  • Produces water fit for use in a sterile application

CONS:
  • Need for extra installation accessories

User Rating: 

4 out of 5 stars (4 / 5)

7

Takagi T-K4-IN-NG Indoor Tankless Water Heater, Natural Gas

  • Fuel Type: Natural Gas
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 8 GPM
  • Energy Efficiency: 82%
  • Size: 43 pounds
  • Weight: 43 pounds
  • Display: Digital

Takagi commercial tankless water heater has also proven reliable in providing a steady flow of water heater for industrial application. With an impressive power of 199,000 BTU per hour, it is strong enough to supply hot water to various points as needed. It is fit for indoor installation and features a direct vent conversion system.

Very compact, it is fit for wall installation without much demand for space. It comes with many amazing features that make it stand out. There is the self-diagnostic system alongside a led light which indicates when something is wrong with the system. The machine also features antifreeze protection.

It can be installed vertically or horizontally and needs to be adequately vented. With this top commercial tankless water heater, you can get output temperature as high as 167F. There is also a remote control for commercial use.

PROS:
  • Presence of remote control
  • Presence of a safety device
  • Water temperature is not affected by climate
  • Huge power output

CONS:
  • Water takes some time to travel to the point where needed

User Rating: 

4.2 out of 5 stars (4.2 / 5)

8

Stiebel Eltron 224199 240V, 1 Phase, 50/60 Hz, 24 kW Tempra 24 Plus Whole House Tankless Electric Water Heater, Advanced Flow Control

  • Fuel Type: Electricity
  • Application Type: Whole house
  • Location: Indoor
  • GPM: 5 GPM
  • Energy Efficiency: 99%
  • Size: 7 x 20.1 x 9.6 inches
  • Weight: 16.1 pounds
  • Display: Digital
  • Warranty: 7 years leakage/ 3 years parts

Powered by a 240 volts power supply, Stiebel Eltron Tempra 24 is one of the most advanced commercial tankless water heater available. It features upgraded and high-quality materials to ensure constant access to hot water for all your commercial needs. There is the heavy-duty electronics, simple single flow sensor design as well as an advanced flow control system.

Being a top quality model, it can give as much as 20% saving on the company’s energy bill. There is a dial that helps you adjust the output water temperature. Installation is simple and easy with optimized energy consumption system. The advanced flow control system allows the unit to improve water flow to ensure consistent water supply at a constant temperature. For commercial use, it regulates water pressure automatically which helps ensure a stable stream of hot water.

With the capacity to supply hot water at the rate of 5 gallons of water per minute, it is capable of handling heavy demands of hot water for commercial use.

PROS:
  • High efficiency
  • Low noise
  • Commercial tankless water heater parts readily available
  • Impressive saving on heating cost

CONS:
  • Fairly difficult to install

User Rating: 

4.4 out of 5 stars (4.4 / 5)

9

Takagi T-D2-OS-NG Outdoor Tankless Water Heater, Natural Gas

  • Fuel Type: Natural Gas
  • Application Type: Whole house
  • Location: Outdoor
  • GPM: 10 GPM
  • Energy Efficiency: 82%
  • Size: 5 x 13.8 x 20.3 inches
  • Weight: 45 pounds
  • Display: Digital
  • Warranty: 10-year limited warranty on the heat exchanger, and five years of warranty on limited parts.

This is a new product from Takagi targeted at light commercial application. It is designed strictly with features to make a continuous supply of hot water possible for all commercial needs. With a massive flow rate of 10 gallons per minute, it can handle all your needs with ease, and dedicated for outside installation only. The massive power output of 199,000 avails it the opportunity to keep hot water flowing constantly.

Being an outdoor unit, it comes with antifreeze protection and remote control. It is powered by natural gas and gives out low NOx emission. There are other safety features like surge and overheating protection and troubleshooting diagnostic codes.

For your commercial needs, Takagi makes available a secure link system which allows you to link as much as four units without the need for a multi-unit controller.

PROS:
  • High flow rate
  • Safety features
  • Comes with a remote control
  • Installation is fast and easy

CONS:
  • Makes noise

User Rating: 

4 out of 5 stars (4 / 5)

10

Rinnai RL75eN Tankless Water Heater RL75eN-Natural Gas/7.5 GPM

  • Fuel Type: Natural gas
  • Application Type: Whole
  • Location: Outdoor
  • GPM: 7.5 GPM
  • Energy Efficiency: 82%
  • Size: 14 x 10 x 23 inches
  • Weight: 43.6 pounds
  • Display: Digital

Configured for external use only, this Rinnai tankless water heater commercial has features that make it fit to handle all your hot water need. It comes at a fairly reasonable price with a flow rate of 7.5 gallons per minute. Its maximum power output is 180,000, strong enough to handle all you throw at it.

Since it is meant for outdoor usage, it comes with essential protection that ensures its durability. This ensures reduced damage to its parts. With this unit, you can get temperatures as high as 160F. There is a standard mc-9101us digital controller with an indicator that signals an error.

It is energy star certified and works with a 220 volts power supply. There is a control unit that allows users to control outlet water temperature. It is fit and capable to handle all your hot water need.

PROS:
  • Reasonably priced
  • Impressive saving on your heating bill
  • Pretty easy to install

CONS:
  • Need to purchase extra installation accessories

User Rating: 

3.9 out of 5 stars (3.9 / 5)

FAQ

Here are some answers to some frequently asked questions about commercial tankless water heaters.

What are the Advantages of Commercial Tankless Water Heater? 

  1. Saves Time: Commercial tankless water heater eliminates the need to wait for hot water. Hot water is available instantly on demand.
  2. Saves Electricity: Tankless water heater does not heat and preheat water to keep it at a particular temperature. This reduces energy wastage
  3. Saves Space: The best commercial tankless water heater comes in sleek and compact design. They can be installed almost anywhere without excess demands on space.
  4. Safe: Majority of the commercial tankless water heater comes with an array of safety features that protect users and the machine from danger.

How to Choose the best Commercial Tankless Water Heater?

Here are some tips to help you choose the most suitable commercial tankless water heater for your business.

  1. Flow rate

Since a commercial tankless water heater is meant to handle large demand for hot water, the flow rate needs to be large. On average, commercial tankless water heater flow rate is around 9 gallons per minute.

  1. Power

The power of your tankless heater is related to the flow. This is because a less powerful machine will not make hot water flow easily. Hence, be sure to choose a powerful device that can handle your hot water needs.

  1. Energy Efficiency

Since commercial tankless water heaters are designed to handle an enormous demand of hot water, they could be costly. With this in mind, be sure to choose a commercial tankless heater that will ensure considerable savings every month.

  1. Temperature

Tankless water heater for commercial use operates at a high temperature compared to the industrial type. The temperature range you should go for should be in the range of 98F to 185F.

Conclusion

Without a doubt, you will experience considerable saving in water and heating cost by investing in a tankless water heater. Be sure to let this review guide you into making a choice. Do not be put off by the price as this investment is the type that will pay for itself over the years.

%d bloggers like this: