Due to the greatest innovation in tankless water heaters technology. The past few years has been that of tankless water. So, the tankless water heater provides the consumers with many benefits, such as saving space, decreasing gas bills, and making the whole system much more efficient & robust.
Moreover, Rheem tankless water heaters are among the most popular & most widely accepted tankless water heaters on the market. Furthermore, Rheem has the best sales service & a high-quality product that makes it portable.
The respect is that Rheem has been able to command in a short time of their existence. When buying the Rheem tankless water heater. It’s imperative to keep in mind a few necessary factors. So, this article will help you to pick the right Rheem tankless water heater.
Also, read our latest guide about the 10 best Rinnai tankless water heater.
Best Rheem Tankless Water Heaters in 2021
We recently reviewed the best tankless water heater for large homes. So, if you are looking for the 10 best Rheem tankless water heaters, then you are landing in the right place.
In this article, we’ve reviewed the top-rated Rheem tankless water heater reviews, including their features, quality, performance, user reviews, pros, and cons. Also, this guide will help you to pick the right Rheem tankless water heater.
IMAGE PRODUCT DETAILS 
Rheem RTGH-95DVLP-2 Check Price 
Rheem RTEX 18 Check Price 
Rheem 240Volt Heating Chamber Check Price 
Rheem RTG-70XLP-1 Check Price 
Rheem RTEX-06 Check Price Rheem RTEX08- 8KW Check Price 
Rheem RTG-84DVLN Check Price 
Rheem RTGH-95XLN Check Price Rheem RTG-84DVLN Check Price 
Rheem Performance Platinum Check Price
1- Rheem RTGH-95DVLP-2 – Rheem tankless gas water heaters
Rheem RTGH-95DVLP is a gas-powered tankless water heater with a high water flow rate of 9. Gallons per-minutes (GPM). This tankless water heater is perfect for indoor purposes.
Also, this Rheem tankless gas water heater comes with a direct vent. It has an energy efficiency of 94%. This Rheem tankless hot water heater is equipped with a self-diagnostic system for your convenience in installation & maintenance.
- Quality: This Rheem tankless water heater is made up of high-quality stainless steel materials. It works very well and well made.
- Performance: This Rheem tankless gas water heater has a super high water flow rate of 9.5 gallons-per-minute (GPM) that fits under your sink perfectly. Moreover, this Rheem tankless water heater manual comes with the exclusive water-saving technology conserving up to 1 and 1100 gallons per year (GPY). It also has a maximum BTUs of 199900.
- Features: This natl gas Rheem tankless water heater features a stainless steel heat exchanger for condensing. It also features a super high GPM and exclusive water-saving technology.
- User reviews: This product contains a 100% 5- star rating from its customers.
- Overall rating: 5.0 out of 5.0.
- Best use: This Rheem tankless water heater is best for kitchen and bathroom use and the ideal tankless water heater for hand washing.
Pros
- Quality product
- Well made
- Stainless steel materials
- Exclusive water-saving technology
- High BTUs
- Highly recommended
Cons
- No cons yet!
2- Rheem RTEX 18 – Rheem tankless electric water heater
Rheem RTEX 18 is the ideal tankless water for the school, hair salon, hospital, and kitchen purposes. It is highly recommended on the market. This Rheem tankless water heater electric has an attractive design that attracts people.
Moreover, this Rheem, tankless water heater installation has a simple and easy installation. This electric tankless water heater has threaded for easy replacement & simple installation and comes with digital control.
- Quality: This Rheem outdoor tankless water heater has a sleek and compact design that allows the user to carry this device anywhere you want.
- Performance: This Rheem electric tankless water heater has a decent water flow rate of 4.4 gallons per-minutes (GPM). Besides, it comes with digital temperature control and has an easy and simple installation. This Rheem propane tankless water heater also comes with an LED display.
- Features: This Rheem tankless water heater propane features a durable copper immersion two heating elements. It also features the most advanced self-modulating technology that adjusts the power to meet hot water demand.
- User reviews: This product contains a 79% 5- star rating from its customers.
- Overall rating: 4.5 out of 5.0
- Best use: This tankless water heater is best for school, hospital, hair salon, and kitchen use.
Pros
- Digital temperature control
- LED display
- Durable copper immersion
- Simple installation
- Self-modulating technology
Cons
- No batteries required
3- Rheem 240Volt Heating Chamber – Rheem tankless water heater
This 240V tankless water heater from Rheem has a compact & lightweight design. It comes with temperature control and a decent LED display.
Furthermore, this Rheem Ecosense tankless water heater is highly recommended on the market and the best value for money. It has threaded for easy replacement and simple installation. Overall, it is the best tankless water heater for hard water.
- Quality: This Rheem prestige tankless water heater comes with digital temperature control. It also has a durable copper immersion.
- Performance: This Rheem tankless hot water heater has an energy efficiency of up to 99.8%. Moreover, this Rheem mid-efficiency tankless water heater comes with a water flow rate of 3.17 gallons per-minutes (GPM). It has a durable copper immersion two heating elements and comes with self-modulating power control.
- Features: This best tankless water heater for well water features high energy efficiency of 99.8% and comes with self-modulating power control. It also features an external control that adjusts the temperature increments of 1-degrees Fahrenheit.
- User reviews: this product contains a 76% 5-star rating from its customers.
- Overall rating: 4.5 out of 5.0.
- Best use: This Rheem tankless water heater is best for bathroom use and the ideal tankless water heater for large homes.
Pros
- LED display
- Self-modulating power control
- Energy efficiency 99.8%
- Best value for money
- Durable
Cons
- Inconsistent water temperature flow
4- Rheem RTG-70XLP-1 – Best Rheem instant hot water heater
As we all know, Rheem is a well-known water heater manufacturing brand that offers compact, portable and lightweight tankless water heaters at affordable prices for consumers.
Furthermore, this Rheem electric tankless water heater home depot is highly recommended on the market because of its high quality. It has a maximum of BTUs of 160000.
- Quality: This best tankless water heater comes with the exclusive water-saving technology that conserving up to 1100 gallons per year (GPY).
- Performance: This Rheem tankless electric water heater has an exclusive hot start programming to minimize cold water burst by staying in a ready fire state. Moreover, this Rheem condensing tankless water heater comes with water-saving technology and has a 120Volt power supply that heats the water quickly.
- Features: This best condensing tankless water heater features freeze protection of up to 30-degrees and maximum BTUs of 160000. It also features a 12-year warranty for heat exchanger, a 5-year warranty for parts, and a 1-year warranty for labor.
- User reviews: This tankless water heater contains a 100% 5- star rating from its customers.
- Overall rating: 5.0 out of 5.0.
- Best use: This tankless water heater is best to use for handwashing and dishwashing purposes.
Pros
- Durable
- Water-saving technology
- Decent BTUs
- Recirculation pump
- Freeze protection
Cons
- No cons yet!
5- Rheem RTEX-06 – Rheem tankless water heater
If you are looking for the best tankless water heater for a shower, then this Rheem RTEX-06 is the ideal tankless water for you. It has an attractive design that attracts people.
This Rheem electric tankless water heater provides a max water flow rate of 1.0 gallons per-minutes (GPM).
- Quality: This Rheem tankless water heater thermostat is made up of high-quality materials that make it portable for use.
- Performance: This Rheem outdoor gas tankless water heater comes with the push button OFF/ON control with the LED temperature only. Furthermore, this Rheem water heater tankless has a 6kilowatt model flow rate of 1.0 gallons per-minutes (GPM). It also has a 240V power supply that heats the water very quickly. Overall, it has amazing performance. S
- Features: This beat tankless water heater for condo features consistent and continuous hot water. It also features a robust copper immersion heating element with a brass top that increase durability.
- User reviews: This unit contains a 63% 5- star rating from its customers.
- Overall rating: 4.0 out of 5.0.
- Best use: This best tankless water heater for radiant heat is best for the kitchen and the ideal water heater for 1 or 2 sinks.
Pros
- Affordable
- LED temperature display
- Consistent hot water
- Ideal for 1 or 2 sink
Cons
- No tech support
6- Rheem RTEX08- 8KW – Rheem tankless water heater
As we all know, Rheem is a well-known tankless water heater manufacturing company that delivers compact, portable, and lightweight tankless water heaters at affordable prices for consumers.
Furthermore, this Rheem 90% tankless water heater is also lightweight, so you can carry this unit anywhere you want. It offers quick and continuous hot water on-demand for the single point of use and multiple applications.
- Quality: This best dishwasher for tankless water heater has a compact and lightweight design that impresses people. It works very well and well made.
- Performance: This Rheem gas tankless water heater comes with the ON/OFF dial control with the adjustable digital temperature control. This tankless water heater Rheem also comes with self-modulating technology power control. Moreover, it has a 240Volt power supply that heats the water very quickly. However, it has an amazing performance and water flow rate of 1.95 gallons per-minutes (GPM).
- Features: This point of use tankless water heater features adjustable digital temperature control and self-modulating power control. It also features a 240Volt power supply that heats the water quickly.
- User reviews: This unit contains a 59% 5- star rating from its customers.
- Overall rating: 4.2 out of 5.0.
- Best use: This tankless water heater is best to use for washing clothes and the ideal tankless water heater for hand washing.
Pros
- Adjustable temperature control
- Self-modulating power control
- Instant hot water
- Amazing performance
Cons
- Low flow rate
7- Rheem RTG-84DVLN – Rheem natural gas tankless water heater
If you are looking for the best commercial tankless water heater, then this Rheem RTG-84DVLN is the ideal tankless water heater for you. It is only used for direct vent indoor.
Moreover, this Rheem indoor natural gas tankless water heater has a low Nox version. It has a sleek and compact design that attracts people.
- Quality: This direct vent tankless water heater has a built-in remote control feature. It is also made up of high-quality materials.
- Performance: This Rheem whole house gas tankless water heater has a super high water flow rate of up to 8.4 gallons per-minutes (GPM). This Rheem natural gas tankless water heater manual has UMC-17 remote control and has a 10-feet of thermostat wire included. This best tankless water heater for a large family offers you the perfect solution to heat your water at home.
- Features: This Rheem tankless water heater venting features a high water flow rate of 8.4 gallons per-minutes (GPM). It also features decent energy efficiency and space-saving.
- User reviews: This unit contains a 59% 5- star rating from its customers.
- Overall rating: 3.9 out of 5.0.
- Best use: This Rheem gas tankless water heater is best used for laundry and ideal for hair salons and hospitals.
Pros
- Worth for money
- Attractive design
- Super GPM
- Remote control
- Thermostat wire
Cons
- Cheaply made
- Low power supply
8- Rheem RTGH-95XLN – Rheem tankless propane water heater
Here is another decent tankless water heater at an affordable price for the consumers. It is the ideal tankless water heater for the whole house. This Rheem gas water heater tankless has a low Nox.
Moreover, this best natural gas tankless water heater comes with digital remote control and a 10-feet thermostat wire.
- Quality: This Rheem tankless gas hot water heater has an energy factor of 0.94 with an efficient stainless steel condensing heat exchanger.
- Performance: This Rheem high-efficiency tankless water heater has a two-pipe direct venting system specially designed for PVC pipe. Furthermore, this s Rheem water heaters gas tankless has a water flow rate of 9.5 Gallons per-minutes (GPM) that fits under the sink. It has a 0.26GPM minimum flow rate and 0.40GPM activation flow rate.
- Features: This under sink hot instant water heater features remote control and thermostat wire. It also features an energy factor of 0.94 and has a high 9.5 gallons per-minutes (GPM).
- User reviews: This product contains 69% 5- star rating from its customers.
- Overall rating: 4.2 out of 5.0.
- Best use: This tankless water heater is best to use for handwashing and ideal for laundry.
Pros
- .94 energy factor
- PVC pipe
- High 9.5GPM
- Digital remote control
- Low Nox
Cons
- Water pressure issues
9- Rheem RTG-84DVLN – Rheem indoor gas-fired tankless water heaters
This Rheem tankless hot water heater outdoor has to freeze protection to 30-degrees Fahrenheit. This electric tankless water heater for RV is easy to install and the best value for money.
- Quality: This condensing tankless water heater has a built-in electric blower supplied with a 120V power cord. It works very well.
- Performance: This Rheem tankless whole house water heater has an environmentally friendly low Nox burner that meets SCAQMD rule 1146 requirements. Moreover, this natural gas tankless water heater has a high water flow rate of 8.4 gallons per-minutes (GPM). It also has freeze protection to 30-degrees Fahrenheit. However, it is made up of quality materials.
- Features: This Rheem tankless water heater enclosure features freeze protection and a solid and compact design. It also features a high water flow rate of 8.4 gallons per-minutes (GPM).
- User reviews: This product contains a 68% 5- star rating from its customers.
- Overall rating: 4.1 out of 5.0.
- Best use: This Rheem tankless water heater is best used for the shower and the ideal tankless water heater for a hair salon.
Pros
- Easy to install
- Consistent hot water
- Valve kit
- Durable
- Value for money
Cons
- Poor quality
- Damaged items
10- Rheem Performance Platinum – tankless hot water heater by Rheem
If you are looking for a portable and compact tankless water heater at an affordable price for customers, then this Rheem performance is the ideal tankless water heater for you. It provides you with a hot instant water.
Furthermore, this Rheem tankless water heater made in the USA saves up to 1100 gallons of water per year with our exclusive water-saving setting.
- Quality: This installing Rheem tankless hot water heater has a lightweight design that allows the user to carry this unit anywhere you want.
- Performance: This Rheem tankless electric hot water heater has perfect for replacement and compatible with the standard gas line making it easier to replace a traditional tank. Moreover, it has a water flow rate of 9.5 gallons per-minutes (GPM). Although, it has a small and wall-mount design free up valuable floor space within your home.
- Features: This best tankless water heater brands feature saves energy cost and also a space saver. It also features a max hot water flow rate of 9.5 gallons per-minutes (GPM).
- User reviews: This unit contains a 100% 5- star rating from its customers.
- Overall rating: 5.0 out of 5.0.
- Best use: This tankless water heater is best to use for bathroom and shower use.
Pros
- Continuous hot water
- Saves water
- Save energy cost
- Perfect for replacement
- space saver
Cons
- None
Conclusion:
We think that Rheem performance platinum is the ideal tankless water heater for large homes. It comes with a super high water flow rate of 9.5 gallons per-minutes (GPM). This tankless water heater has a save energy cost and space saver. It is perfect for replacements and provides you a hot instant water.
Second, we’ve Rheem RTEX-18. This tankless water heater comes with a decent water flow rate of 4.4 gallons per-minutes (GPM) that fits under your sink perfectly. It has an external digital thermostat control with an LED display.
Last but not least, we’ve Rheem RTGH-95DVLN. It has an exclusive water-saving technology that conserving up to 1100 gallons per-year (GPY). This tankless water heater comes with the recirculation pump and has a 12-years warranty for heat exchanger, 5-years for parts, and 1-year for labor.