Best Tankless Water Heater For Cold Climates in 2022 – Reviews & Buyer Guide

1. Rheem RTGH-84DVLN Condensing Tankless Water Heater

Best Pick

Best condensing tankless water heater for cold climates

Item Weight :	‎77.9 pounds
Product Dimensions :	‎9.75 x 18.5 x 27.5 inches
Flow Rate :	‎8.4 Gallons Per Minute
Certification :	‎Energy Star
Batteries Required? :	‎No

Get yourself with this Rheem model that comes with a direct venting system to cure leakage. Plus, it does not disturb the environment at any rate.

Flow rate

Rheem is introducing a model that comes with a flow rate of 8.4 gallons per minute. This capacity is enough to supply six to seven fixtures at a time. Install at one corner, and it would supply to your full home. If you own a large home, then this unit is good to go.

Power source

The power source offers by this best tankless water heater for cold climates is natural gas. It might be easily available in your surroundings and not costly.

Installation

According to manufacturers, this unit has been made specifically for indoor installation. Therefore, it is worthy of respecting their suggestion, and it would serve you for longer.

Electric blower

This unit comes with an electric blower. This system consumes 129 volts of power to operate.

Environment friendly

SCAQMD has verified it as a safer product. This tankless water heater produces a very less quantity of nitrogen oxide. The overall result is the consistency of environmental health.

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2. Takagi T-H3-DV-N Condensing  Tankless Water Heater

Budget Pick

Best natural gas tankless water heater for cold climates

Item Weight :	‎59 pounds
Product Dimensions :	‎11.25 x 17.75 x 24.88 inches
Color :	‎White
Power Source :	‎Gas-Powered
Voltage :	‎120 Volts
Batteries Required? :	‎No

As a very famous product of Takagi, T-H3-DV-N is good to use in a cold environment. It needs zero pilot light and saves energy.

Flow rate

This unit of Takagi comes with a flow rate of 10 gallons per minute. This is the highest capacity among very famous models. It can be used for commercial needs or for a large home. It can strongly tolerate lower temperatures and provides hot water at all times.

Saving

This model is compact and sleek in a design you can easily store as it is considered a space-saving unit. Additionally, it saves energy and does not allows monthly expenses to increase.

Safety

This unit is safe to use due to its multiple integrated features. It comes with surges, overheats, and surge protection. Plus, it is smart enough to fix the diagnostic codes.

Heat exchangers

The heat exchangers are very strong. It has got a commercial-grade copper alloy that enhances its looks. This construction allows heat transfer 25 times higher than the other units.

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3. Rinnai V65IN Tankless Water Heater

Best indoor tankless water heater for cold climates

Item Weight :	‎45.6 pounds
Product Dimensions :	‎14.04 x 9.27 x 26.9 inches
Power Source :	‎Gas Powered
Voltage :	‎120 Volts
Water Consumption :	‎6.5 Gallons
Voltage :	‎120 Volts

Rinnai is a famous name that is good to use. This model is large and rectangular with a reasonable flow rate. The mobile app lets you have easy work.

Flow rate

This model of Rinnai comes with a maximum flow rate of 6.5 gallons per minute. This capacity fulfills up to 5 fixtures, according to manufacturers. For a medium home, it is a good unit to consider. Keep in mind; this capacity varies according to the groundwater.

Mobile app

The water heater is connected with a mobile app, control-R 2.0. With this app, you can set the hot water routine according to your schedule. Plus, you can switch this tankless water heater to vacation mode.

Warranty

For the heat exchangers, the warranty time is 19 years. On the other hand, 5 years are fixed for the parts. Plus, labor enjoys 1 year as the warranty time.

Installation

This unit has been designed specifically for indoor installation. This is necessary for safety purposes.

Design

This tankless water heater has a rectangle design. Moreover, this model has a white external appearance. The front face is simple. It only has a digital screen and relevant buttons for management. The logo houses below the buttons look good.

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4. Rinnai RL Series RRL94iP Tankless Water heater

Best propane tankless water heater for cold climates

Item Weight :	‎44.2 pounds
Product Dimensions :	‎14.02 x 10 x 22.99 inches
Size :	‎9.8 GPM
Color :	‎Indoor Installation
Water Consumption :	‎9.4 Gallons
Certification :	‎Energy Star

This model of Rinnai is a different model that uses propane as a power source. It comes with advanced technology and amazing features.

Flow rate

This model of Rinnai belongs to RL Series and comes with a flow rate of 9.5 gallons per minute. This capacity happily serves more than 6 models at a time. Plus, the maximum flow gets change parallel to the groundwater.

Technology

The unit comes with circ-logic technology. That allows you to change make the pattern of hot water parallel to your routine.

Fuel type

This tankless water heater comes with propane as the main power fuel. You know, propane is easy to find that adds more charm.

Installation

According to the company, this product is designed for indoor installation. Don’t try to install it outdoor. This is necessary to ensure protection.

Warranty

The warranty time for the heat exchanger is 10 years. Fiver years warranty on the parts, and 1 year is for labor.

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5. Rinnai  RL75eN Tankless Hot Water Heater

Best hot water tankless water heater for cold climates

Item Weight :	‎43.6 pounds
Product Dimensions :	‎9.6 x 14 x 24.3 inches
Size :	‎7.5 GPM
Style :	‎Natural Gas
Power Source :	‎Ac
Voltage :	‎220 Volts

Rinnai RL75eN is an excellent model that comes with a flow rate of 7.5 gallons per minute. It is easy and safe to use in a cold environment.

Flow rate

This tankless water heater comes with a flow rate of 7.5 gallons per minute. This capacity happily entertains up to 5 fixtures at a time. It is good to use for a large home or commercial need.

Temperature lock

This is an advanced tankless water heater that comes with a temperature lock function. This feature prevents the temperature from being changed accidentally.

Leak detection

This unit has got a leak detection system. This unit shuts down the water supply to make it durable and safe.

Fuel type

This tankless water heater comes with a specific design that needs natural gas for good function—this type of easily available in your surroundings.

Design

With a gray appearance, this unit is a rectangle. The front profile is simple for easy usage. The lower side of it has a digital screen and the necessary buttons for the management of temperature. The connections come at the top position of this unit.

Installation

This tankless water heater is made to install outdoor. This is proof of its strength. It should not be installed indoor due to species composition.

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6. Rheem RTG-64XLN Tankless Natural Gas Water heater

Staff Pick

Best 120V tankless water heater for cold climates

Item Weight :	‎38 pounds
Product Dimensions :	‎14 x 10 x 26 inches
Voltage :	‎120 Volts
Flow Rate :	‎6.4 Gallons Per Minute
Usage :	‎Outdoor Use ONLY

Rheem is a famous name in the tankless water heater industry. Now, it has come with a different model that is made for outdoor installation. Collectively, it has got all the features that make it a good and demanding unit.

Flow rate

This tankless water heater comes with a flow rate of 6.4 gallons per minute. This capacity serves the middle to the large size home. It can entertain up to 5 or more fixtures at a time.

Environment friendly

This tankless water heater comes with a very low amount of nitrogen oxide. This capacity is low enough to persist the environment’s health. There would be no dangerous gas with this unit.

Installation

This unit comes with an outdoor installation. You should place it what the manufacturers suggest. Don’t try to install this unit indoors. Alternatively, it may affect the warranty.

Fuel type

This advanced model comes with an internal design that works with natural gas. Plus, the propane-type units also available in the market, but they belong to different series.

Appearance

The overall design is rectangle and gray. The front face is too simple to contain any buttons. It comes with small openings at the front. Plus, the connections are present at the top of the unit.

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7. Takagi T-K4-IN-NG Indoor Tankless Water Heater

Best gas tankless water heater for cold climates

Item Weight :	‎43 pounds
Product Dimensions :	‎8.5 x 13.8 x 20.5 inches
Color :	‎White
Power Source :	‎Gas Powered
Certification :	‎Energy Star

Takagi is an emerging name that has been designed for indoor installation. The technology is Condensing type to support you in the cold climate. It got all the necessary features that someone needs.

Flow rate

This model of Takagi comes with a flow rate of 8 gallons per minute. This capacity is enough to entertain multiple types of fixtures at a time. You can easily get this unit for a large home.

Safety

You can consider this tankless water heater very safe to use. It is equipped with exhaust to deal with the internal heat. Plus, it comes with an additional layer that provides an extra safety control system.

Installation

According to manufacturers, this unit has been installed specifically for indoor installation. This is for its external protection. Hiring a professional for the enhanced safety is enjoying the warranty is a good option.

External appearance

This tankless water heater is pure white on an external look. Plus, the shape is rectangular with no digital screen or buttons on the front wall. Only the Takagi logo and openings at the lower are integrated. Furthermore, the connections are present at the head of the unit.

Fuel type

This unit of Takagi uses natural gas as a main fuel. The good point is that natural gas is easily available and not costly to use. A large population can afford it easily.

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8. Ecosmart ECO 24 Electric Tankless Water Heater

Best electric tankless water heater for cold climates

Item Weight :	‎14.25 pounds
Product Dimensions :	‎17 x 17 x 3.75 inches
Voltage :	‎240 Volts
Wattage :	‎24000 watts
Batteries Required? :	‎No

Ecosmart is very famous for electrically powered units. This model is strong enough to save cost, energy, and space at a time. Plus, the performance is very great with strong composition.

Flow rate

This model of Ecosmart has got a maximum flow rate of 3 gallons per minute. This capacity fulfills one or two fixture supplies. Though this flow rate is not very high, it can tolerate the lower external temperature.

Saving

This unit is very active to save energy. According to manufacturers, it can happily save energy and cost up to 60 percent. It is strong enough that it never runs out of warm water.

Technology

This stronger unit comes with self-modulating technology. It is very active in managing the extreme heat itself without any external aid. This feature makes it very safe to use.

Energy efficiency

Amazingly, this model of Ecosmart is too efficient. It offers an energy efficiency of 99.8 percent that is too amazing.

Appearance

The overall design is simple and square. The external appearance is white to add attraction. It is small in size and too compact. The front face has a digital screen and a knob. This is a temperature control knob that provides strong temperature control.

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9. Rinnai V75IP Tankless Hot Water Heater

Best rated tankless water heater for cold climates

Item Weight :	‎45.6 pounds
Product Dimensions :	‎14.04 x 9.27 x 26.9 inches
Size :	‎7.5 GPM
Power Source :	‎Gas Powered
Voltage :	‎120 Volts

This is another model of Rinnai that comes with a good flow rate. Not only is it strong, but it also provides a good water supply.

Flow rate

This is a very famous model of Rinnai that comes with a flow rate of 7.5 gallons per minute. This capacity happily entertains up to 5 fixtures at a time. For a model to full-size home, this model is good to go. It is worth mentioning that this flow rate changes according to the groundwater.

Mobile application

This tankless water heater is adorned with a mobile app. It allows you to set the hot water routine parallel to your schedule. Moreover, you can put the unit to the vacation mode by specific setting when not needed.

Fuel type

This is a different unit of Rinnai that uses propane as the fuel source. Alternatively, multiple other models come with natural gas as fuel.

Design

The external look comes with a white finish. The shape is large, and the rectangle looks good. The front face is equipped with a digital screen and buttons to manage the temperature. The screen shows the temperature update and is easy to read.

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10. Rinnai RU130iP Tankless Water Heater

Best 7 GPM tankless water heater for cold climates

Item Weight :	‎71 pounds
Product Dimensions :	‎12 x 18.5 x 27.9 inches
Power Source :	‎Gas Powered
Voltage :	‎120 Volts
Certification :	‎Energy Star

Rinnai comes with a famous model that is easy to use. It offers you a reasonable flow rate to deal with cold climates.

Flow rate

This is a famous model of Rinnai that comes with a flow rate of 7 gallons per minute. This capacity meets the requirements for a medium to a large home. Plus, the flow rate changes according to the groundwater temperature.

Fuel type

This unit comes with propane as the main fuel. It does not use natural gas as a power source that makes it different from the others.

Appearance

The discussed model of Rinnai comes with a rectangle shape. Its appearance is gray and looks amazing. There is a digital screen at the bottom with relevant buttons to deal with temperature. Plus, the red logo against the gray background looks very attractive to the eyes.

The venting and connections are integrated at the top of the unit.

Technology

It is integrated with circ-logic technology with a pump. It allows you to have good control over temperature.

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Buying guide

Without a good insight, the selection gets difficult as the review reading is not just enough. Multiple parameters should keep in consideration before making the final decision. We have highlighted some quick features that would lead you to the best possible product according to your need.

Flow rate

Flow rate is the most demanding feature that decides its performance in a cold climate. With the increased flow rate, the performance gets high. If you intend to use the best tankless water heater for cold climates, the best practice is to get the one with an enhanced flow rate.

Like, Takagi and Rinnai are famous names that come with good flow rates.

Installation

The location that needs the installation of a tankless water heater matters a lot. First thing, either you aim to install it indoors or outdoor. After that, you can select the product accordingly. The majority of types are made for indoor or outdoor installation. Sometimes are also in the market that is available for both indoor and outdoor installation. The final selection depends upon the locality of your house.

Fuel type

In addition to the electric tankless water heater, other names are also in the market that uses natural gas or propane. Do consider what fits best for you. And what kind of fuel can you afford.

Every type is adorned with one of these fuels. So, before purchase, make sure that the selected fuel type should be easily available to you. This is not the product that one intends to buy again and again. Therefore, this unit is worthy of consideration.

Additional components

If you are spending high, it is worthy of selecting the unit that comes with some additional components for venting, installation, and more. It would save your cost and time. You would have to spend for the unit with zero spendings on supportive features.

Technology

Check what kind of technology the unit is offing. Is it equipped with some protective features, like anti-freezing and over-heating? Select the one with more advanced technology.

Budget

Getting the cheaper tankless water heater would lead you to episodes of issues. Try to fix the budget fairly high. Never compromise over quality, and it would not compromise over temperature. Getting hot water in a cold environment is more important than saving a few pennies. Spend one time and get served for a couple of upcoming years.