4 Best Tankless Water Heaters Reviews 2020

Tankless water heater remained immensely popular in Europe and other regions of the world. It’s becoming popular in the Northern regions of America nowadays. It’s highly beneficial because it can reduce water-heating expenses by 24 – 34% if you use 40 gallons or less in a day. Another reason for its popularity is that it provides you with an unlimited supply of water.

Best Tankless Water Heater Reviews

1. EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts

Eco 27 tankless water heater

Dimensions: 17H x 17W x 3.625D inches

Water Flow: 3 GPM

Material: Stainless steel and Copper

Energy Efficiency: Up to 50%

Warranty: Lifetime

The product comes with digital temperature control that automatically controls the hot water flow. Furthermore, it increases the heat by 1-degree gradually. The activation flow of hot water is 3 GPM in all taps. Due to the compact size, it occupies less space. The stainless steel and copper design keep your product durable for years. It’s easy to install without the help of someone. The product consumes only 112.5 amp power and saves up to 50% of electricity. You can use it for at least 4 taps without affecting the water flow.

  • Digital temperature control
  • Good water flow
  • Compact product
  • Saves up to 50% of electricity
  • Durable for years
  • Installation takes time

Our Opinion:

It’s a good product for a large family of up to 12 family members. Now, the flow of hot water never stops whether all people are using it. The durable product is made of rust-free stainless steel and heavy-duty copper. You can install this compact product anywhere in the bathroom. It’s sturdy and reliable for years. It can handle 4 taps and 4 showers at the same time. So, you can install it if you have a large family.

2. EcoSmart ECO 11 Electric Tankless Water Heater

Eco 11 tankless water heater

Dimensions: 11.5″ x 8″ x 3.75″

Water Flow: 3 GPM

Material: Stainless Steel

Warranty: Lifetime

This product comes with 60% power efficiency. You can use hot water in 3 taps and 2 showers. In a colder climate, it can handle two sinks and one shower. You can use it for multiple applications by installing with the main water supply. It weighs only 6.5 lbs and you can install it anywhere easily. The product provides you with hot water endlessly. The design comes with patented self-modulating technology. It’s an ideal product for a small-sized family. The sturdy stainless steel construction ensures a long life of the product. The manufacturer offers a lifetime warranty.

  • Power-efficient up to 60%
  • Best for 2 showers 3 taps
  • Lightweight
  • Compact size
  • Good flow rate
  • Not good for a large family

Our Opinion:

It’s an excellent choice to save power up to 60%. The compact size of the product makes it suitable for a small family. You can use it for two sinks and 3 taps. The sturdy and reliable construction makes it durable for years as the manufacturer offers a lifetime warranty.

3. Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater

Gasland tankless water heater

Dimensions: 11.8 x 6.1 x 17.3 in

Water Flow: 1.58 gallons per minute

Material:  Stainless Steel

Energy Efficiency: 11%

The product comes with anti-freezing and flame failure protection. So, it’s an ideal option for people living in a cold climate. The anti-freezing drain plug remains active to discharge the residual water from the pipe and doesn’t let it freeze if you don’t use for a long time. It comes with an adjustable temperature that can go up to 167 degree F. The mounting bracket on the back of the water heater ensures an easy hanging of the product on the wall. So, the installation takes a few minutes only. It provides you maximum power output 41,000 BTU/hour. You can save up to 11% energy by using this tankless gas water heater. When you switch it on, the initially hot water pressure is a bit lower around 2.5 PSI. Gradually, it increases and you get 1.58 gallons per minute water flow. The heat level and water flow are completely adjustable. The advanced combustion technology lowers the gas-burning noise while it works.

  • Adjustable temperature
  • Adjustable water flow
  • Compact and lightweight
  • Easy installation
  • Best for cold climate
  • Pricey

Our Opinion:

It’s a good option for people living in a cold climate because it doesn’t let the water freeze in the main pipe. It reduces the electricity bill up to 11% by providing a continuous hot water flow. The product is easy to install. It’s a durable tankless water heater that comes with a lifetime warranty.

4. Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater

Camplux tankless water heater for outdoor and indoor

Dimensions: 11.4 x 4.3 x 14.8 inches

Water Flow: 1.32 GPM

Material: Stainless Steel

Energy Efficiency: 50%

The product comes with overheat protection and flame failure protection systems. The anti-freezing system doesn’t let the water freeze in the main water pipe. The lowest water pressure requires only 3.0 PSI. Due to the compact size, it doesn’t take much space on the wall. You can set it up outdoor for outhouse use. It provides 1.32 GPM hot water flow rate. The energy-saving technology ensures the reduction of 50% in your electricity bill. The temperature range is between 114.8 degree –  46.4 degrees F. You require a Lithium-ion battery for this tankless water heater. It comes with 180 days of battery life.

  • Unending hot water supply
  • 50% energy efficient
  • Easy Installation
  • Anti-freezing system
  • Good hot water flow
  • The battery isn’t included

Our Opinion:

It’s a good option for outdoor activities like pet’s bathing and a campsite, etc. You can use it to reduce 50% electricity bill. This water heater comes with anti-freezing technology to avoid the freezing of water residues in the main water pipe. That’s why; it’s useful for cold climates. You can get unending hot water supply by using it. The manufacturer claims that you get 1.32 GPM water flow.

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts

Eco 27 tankless water heater

Buying Guide

Selection of a suitable tankless water heater is not a difficult task. Consider some important tasks to select the best tankless heater. Follow our guide here.

Number of Taps

Consider the number of taps for water supply from this tankless heater. A good tankless water heater can supply hot water to a minimum of four taps. You can check the total number of taps for a water supply according to your family size.

Activation Flow of Water

Check the water flow it can provide for hot water. It should come with at least 0.2 gallons per minute of water flow for all taps.


Check the size of the tankless water heater before buying it. Make sure; you select a compact size gadget to save space. A small sized water heating system can be greatly beneficial for people living in small flats and apartments.


It’s another important point to consider while selecting a tankless water heating system for your home. Since you will use it for a long time check material of the product before purchasing. It should be made of stainless steel or high-quality and durable material for longevity.

James F. Core

I love fishing, that's all.

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