Best Electric Water Heaters For Cold Climates

Top 3 Best Electric Water Heaters For Cold Climates

  • Electric tankless water heaters have gained prominence in recent years, displacing their traditional counterparts. If you’re looking for the best electric tankless water heaters for cold climates, read on to find out more.

In the face of frigid weather, the last thing you want to find your tankless water heater frozen. Our chosen heaters ensure that you never have to endure that discomfort again. Imagine living in a world where entering your shower always results in a steady stream of hot water, regardless of the weather outside. Whether you’re seeking a mini tankless water heater for compact spaces, an outdoor electric tankless water heater to battle the elements, or simply dependable warmth during the winter, this is the piece to read.

Winter may not be here for another four months, but it’s better to prepare for it than be left chilly when it arrives. The challenge of maintaining warm water is paramount during the winter season. We present our meticulously curated selection of the best electric tankless water heaters for cold climates.

Best Electric Tankless Water Heaters for Cold Climates – Top Picks

Titan SCR2 N-120 Electric Tankless Water Heater

The Titan SCR2 N-120 Electric Tankless Water Heater is a compact and efficient solution for on-demand hot water. Its sleek design fits well in small spaces and offers a continuous hot water supply without needing a storage tank. Its advanced technology ensures precise temperature control and energy savings by only heating water when needed. The unit is durable and requires minimal maintenance. However, its capacity might be limited for larger households, and installation could require professional assistance.

Key features

Energy efficiency

The tankless design of the Titan SCR2 N-120 ensures that water is heated only when needed. This conserves energy and leads to significant cost savings on monthly utility bills. Users often report seeing noticeable reductions in their energy expenditures compared to traditional water heaters.

Compact design

The compact and wall-mounted design of the Titan SCR2 N-120 is particularly advantageous for homes with limited space. It frees up valuable square footage that a bulky traditional water heater would otherwise occupy. This is especially appealing for apartments, small houses, and utility rooms.

Temperature control

The Titan SCR2 N-120 Electric Tankless Water Heater offers precise temperature control, allowing you to easily set the desired hot water temperature. This feature ensures you receive hot water at the perfect temperature for your needs, whether for a relaxing shower or washing dishes. The digital temperature display and adjustable settings empower you to fine-tune the water temperature to your preferences while maintaining consistent output. This enhances your comfort and contributes to safety by preventing scalding accidents.


The Titan SCR2 N-120 Electric Tankless Water Heater’s capacity suits most American households. With its dependable flow rate and heating capacity, it can efficiently meet the hot water needs of typical households, providing ample hot water for showers, laundry, and other daily tasks. This makes it a practical choice for families seeking reliable hot water without the limitations of traditional tank-based heaters.

Rheem RTEX-18 Electric Tankless Water Heater

The Rheem RTEX-18 Electric Tankless Water Heater is a versatile and robust solution for demanding hot water. Its innovative design and advanced technology make it popular among homeowners seeking efficient, space-saving water-heating solutions.

Key features

Precise digital temperature control

The RTEX-18 offers precise control over your hot water temperature. Its digital display allows you to set your desired temperature accurately, ensuring you get the perfect warmth for your showers, baths, and other household needs. Say goodbye to sudden temperature fluctuations and enjoy a consistent hot water experience.

High flow rates for multiple applications

This tankless water heater boasts a commendable flow rate, making it suitable for homes with multiple hot water needs. Whether you’re running a shower, dishwasher, or washing machine simultaneously, the RTEX-18 can handle the load, delivering a steady and ample supply of hot water.

Self-modulating technology

Energy efficiency is a prime focus of the RTEX-18. The heater adjusts energy consumption based on hot water demand thanks to its self-modulating technology. This means it only uses the necessary energy to heat the water, minimizing waste and potentially saving energy over time.

Compact design and easy installation

The RTEX-18’s compact and sleek design allows it to fit seamlessly into various spaces. Whether you’re installing it in a small apartment or a larger home, its unobtrusive profile ensures it won’t take up valuable real estate. Additionally, the straightforward installation process, combined with clear instructions, makes it more accessible for both DIY enthusiasts and professional plumbers.

EcoSmart ECO 27 Electric Tankless Water Heater

The EcoSmart ECO 27 Electric Tankless Water Heater is an exceptional solution, especially for winter conditions. As a freeze-proof and condensing tankless water heater, it’s engineered to excel even in the coldest months. This innovative unit seamlessly tackles the challenges of tankless water heaters in winter, ensuring a steady hot water supply when needed.

The ECO 27’s cutting-edge technology, combined with its energy-efficient design, makes it a sought-after choice for households. Its self-modulating capability optimizes energy usage, leading to savings on your utility bills. The high heating capacity allows multiple showers and appliances to run concurrently, catering to larger families or bustling households.

Key features

High heating capacity

With an impressive heating capacity, the ECO 27 can handle high-demand scenarios. It effortlessly supplies hot water to multiple showers, faucets, and appliances running simultaneously, making it suitable for busy households or larger families.

Installation versatility

The ECO 27’s compact design makes it a space-saving solution for various settings. Whether you have limited space in an apartment or require hot water for a larger home, this heater fits seamlessly. The straightforward installation process and its versatility ensure a hassle-free setup.

Digital temperature control

The digital temperature control interface offers precise and convenient adjustments. You can easily set the water temperature to your preference, ensuring comfort and safety for all your hot water needs.

Self-modulating technology

The ECO 27’s self-modulating technology adjusts the energy input based on your hot water demand. This smart feature ensures you get the desired water temperature and optimizes energy usage, potentially leading to substantial cost savings on utility bills.

Frequently Asked Questions

Do tankless water heaters freeze in cold weather?

Tankless water heaters can freeze in cold weather if not adequately protected or insulated. Most modern tankless water heaters are designed to withstand freezing temperatures to a certain extent, but extreme cold can still pose a risk. It’s essential to follow the manufacturer’s guidelines for installation and maintenance to prevent freezing issues.

How to keep outdoor tankless water heater from freezing?

A tankless water heater freezing indicates a fault in the unit. To prevent an outdoor tankless water heater from freezing, consider the following steps:

    • Insulate the pipes and unit with appropriate materials.

    • Install a freeze protection kit, which includes features like internal heaters and insulation.

    • If the heater is not in use during colder months, drain it and disconnect the water lines to avoid water remaining in the unit.

How to thaw a tankless water heater? 

First, to thaw a frozen tankless water heater, turn off its power. Gently apply heat using a hair dryer or space heater, avoiding open flames. After thawing, inspect for damage before restoring power and water supply. If uncertain, seek professional help to prevent potential issues. On the other hand, you can invest in a freeze proof tankless water heater.

What size tankless water heater do I need?

Choosing the right size tankless water heater depends on the number of bathrooms, the appliances you use, and the desired hot water flow rate. Generally, a professional calculation based on your specific needs is recommended. As a rough guideline, a unit’s flow rate in gallons per minute (GPM) should match or slightly exceed your household’s total hot water demand. Consult the manufacturer’s sizing guide or a plumbing professional for accurate sizing.


These five options stand head and shoulders above the competition in terms of the best electric tankless water heaters for cold climates. Whether you prioritize energy efficiency, a high flow rate, or a compact design, a unit on this list is perfect for your needs. Don’t let the winter chill get the best of you – invest in a top-tier electric tankless water heater and enjoy the luxury of hot water on demand, no matter how frosty it gets outside.