Top 10 Propane Tankless Water Heater Reviews In 2020

That water heaters form an integral part of any home or even offices across the world makes this an important part of any premise. One of the key features of the tankless type of water heaters is that it offers a higher operational efficiency than other modes of heating water. Secondly, the faster heating capacity of such heaters ensures a quick supply of hot water when the need so arises. In including a model for study here, the need to have a low-cost operation is stressed the most as also the need for better utility. Top 10 Propane Tankless Water Heater helps you pick the right one.

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10. Rheem RTEX-13 Heater


The key feature of the Rheem heater is that it is one of the simplexes of constructions to have around. This is also one of the least sophisticated of models and primarily aims at just getting the water heated in quick time.

Advantages Of The Product

  • Thermostat
  • Help keep the water at the right temperature
  • Copper tubes
  • Provides a long lasting service
  • Easy installation
  • Just a simple DIY is what the product needs

Other Topics : Top 10 Gas Water Heaters Reviews In 2020

9. Rheem RTG Indoor Heater


When there is a strong case for a fairly steady supply of hot water right through the day, the Rheem RTG indoor mounted tankless type of heaters is the order. In many ways, it does allow a hand free set of operations and it is possible to grade the amount of heating to be done. Being fueled by natural gas enables a more cost-effective heating solution as compared to the electric type.

Advantages Of The Product

  • Direct Vent
  • Allows the complete evacuation of the flue gases
  • A set of control cables
  • Low emission
  • There is the least bit of Nitrous pollution

8. Eccotemp Tankless Heater


The sleek profile of the Eccotemp Water Heater hides the fact that this is one of the most efficient ways of heating water for use. There is sufficient heating power at hand to raise the inlet water temperature to the desired high levels. At a flow rate of about 3 gallons per minute, this is not exactly an amateur’s choice.

Advantages Of The Product

  • Automatic
  • Requires little manual intervention
  • Has a black acrylic coating
  • The heater is very presentable.
  • Child lock
  • Ensures a totally safe operating condition

7. Rinnai Ultra Water Heater


Considering the amount of heating power that the Rinnai Ultra tankless heater packs into the small space, this could be one of the most powerful heat sources in its class of operation. The heater has one of the lowest pollution footprints in tankless water heaters.

Advantages Of The Product

  • 199,000 BTU
  • High capacity heater
  • Vent option
  • Concentric or PVC venting
  • 0.96 energy factor
  • A perfect heat transfer to the water

6. Rheem RTGH Heater


The Rheem RTGH high capacity heater can produce up to 9.5 Gallons of hot water per minute. This is one model that can be used in places that need a fair amount of water and at a good heat too. Being fired by natural gas, this is one of the most cost-effective models to have around.

Advantages Of The Product

  • Intelligent control
  • Safe and sure set of operations
  • Third party audit
  • Performed to guarantee performance
  • Throw power
  • Possible to carry the water to a distance of 5ft

5. Takagi Natural Gas Water Heater


The use of Natural Gas to operate the Takagi heater ensures that this would be one of the most cost-effective solutions to heated water needs. There is sufficient water flow to meet the requirements of an average home and the tankless mode does have its operational advantages.

Advantages Of The Product

  • THERMISTOR sensors
  • Constant and accurate monitoring of inlet and outlet temperatures
  • Low form
  • Use of steel and plastics ensure a thin profile
  • Higher energy star
  • Better efficiency of the system

4. Stiebel Eltron Tankless


When it comes to the futuristic designs, the Stiebel Eltron water heater could take a good effort to beat. More than the looks alone, the electric water heater, can pump out a steady flow of heated water right through the seasons. At 18 KW, this is one of the most powerful water heaters in its class.

Advantages Of The Product

  • Flow sensors
  • Helps control the heating and water supply
  • Double walls
  • Brings on an added safety of operation
  • Vent-free
  • No need to provide for an expensive vent

3. EcoSmart 13KW Electric Tankless Heater


Rated at a maximum output of 0.3 Gallons per minute, the EcoSmart Electric Heater can be the right choice for most types of heating uses. One of the prime aspects of the product is the ability to produce hot water in quick time. The very flexible design ensures that there could be more than a single-use for the given tankless heater.

Advantages Of The Product

  • Self-modulating tech
  • Helps to save 60 % of costs to a comparable model
  • Temperature increment
  • Can control temperature within 1 deg C.
  • Lifetime warranty for home use

2. EcoSmart ECO 27 KW Heater


The EcoSmart ECO 27 KW tankless water heater could be one of the most powerful ones available. It is possible to deliver a steady flow of 3 Gallons per minute. This model of EcoSmart can heat water from an extreme low of 37 deg F. The value for money deal, with the ability to produce heated water cost-effectively.

Advantages Of The Product

  • Energy savings
  • Self-modulating technology
  • Cost-effective
  • Low profile
  • Low physical presence
  • Future-ready looks

1. Bosch Tronic 3000 Mini


One of the most defining aspects of the Bosh Tronic water heater is the use of a mini-tank as compared to a total tank free construction. This sort of a hybrid approach does bring on the advantages of a tankless model and tanked construction all in a single device. More than anything, the Bosh is a no-nonsense heater that is meant to be used and not just seen. There would not be many brands that have the power or pedigree of Bosh over a long to medium-term period.

Advantages Of The Product

  • Multipurpose-
  • Can be used in a number of situations
  • Minimal delay in the production of hot water
  • Near indestructible nature


The water heaters handled in the above list are to be noted for the low operational costs and maintenance that they provide. Most households would prefer to keep the recurring costs to a bare minimum and this factor has been paid sufficient attention. When heat is involved, there are safety factors to consider and the models laid out in the above are more than safe for the average use. While keeping these points in mind, every effort is taken to present to the customer the most unbiased view so as to enable the person to make an informed decision at best.