If you’re in a cold climate, you know the importance of reliable hot water. Tankless water heaters can be a game-changer, providing on-demand hot water without bulky tanks. With so many options available, it can be tough to choose the right one for your needs. We’ve compiled a list of the 10 best tankless water heaters suited for chilly weather. Let’s explore what makes these units efficient and effective for your home.
Rheem 18kW 240V Tankless Electric Water Heater, Gray
If you’re living in a cold climate and need a reliable source of hot water, the Rheem 18kW 240V Tankless Electric Water Heater is an excellent choice. This compact unit delivers up to 4.4 GPM, ensuring you’ve got hot water when you need it. With an impressive 99.8% efficiency and self-modulation technology, it adjusts energy consumption based on demand, potentially slashing your heating bills by 50%. Its wall-mount design saves space, and the external digital control provides precise temperature regulation. Weighing only 14.78 pounds, it’s easy to install, making it a practical solution for your chilly home.
Best For: Homeowners in cold climates looking for an efficient, space-saving solution for hot water needs.
Pros:
- High Efficiency: With a 99.8% efficiency rating, it significantly reduces energy costs.
- Space-Saving Design: The compact, wall-mounted design is 90% smaller than traditional tanks, allowing for versatile placement.
- Self-Modulation Technology: Adjusts power consumption based on hot water demand, ensuring optimal performance.
Cons:
- Limited Flow Rate: Maximum flow rate of 4.4 GPM may not be sufficient for larger households with high simultaneous hot water needs.
- Requires Professional Installation: While easy to install, professional installation may be necessary for optimal performance.
- Initial Cost: The upfront cost may be higher than traditional tank water heaters.
EcoSmart ECO 11 Electric Tankless Water Heater
The EcoSmart ECO 11 Electric Tankless Water Heater stands out as an excellent choice for homeowners in cold climates seeking reliable hot water on demand. With a compact design measuring just 11.5 x 8 x 3.75 inches, it’s 90% smaller than traditional tank heaters. You’ll enjoy endless hot water, maintaining a consistent temperature within 1°F of your selected setting. It has a maximum flow rate of 3.1 gallons per minute and boasts 99% thermal energy efficiency, heating water only when you need it. Plus, with a lifetime warranty on electronics, you can trust its long-term performance.
Best For: Homeowners in cold climates seeking a compact and efficient solution for on-demand hot water.
Pros:
- Endless hot water supply with a maximum flow rate of 3.1 gallons per minute.
- Compact and space-saving design, 90% smaller than traditional tank heaters.
- High energy efficiency with 99% thermal energy efficiency, reducing energy costs.
Cons:
- Limited flow rate may not support multiple high-demand appliances simultaneously.
- Requires specific electrical setup (54 A at 220 Volts) which may necessitate professional installation.
- Higher upfront cost compared to traditional water heaters may deter some buyers.
Titan Electric Tankless Water Heater
For homeowners in cold climates, the Titan Electric Tankless Water Heater stands out with its remarkable efficiency of 99.5%. This compact unit, measuring just 9.6W x 12H x 2.75D inches and weighing only 7.54 pounds, offers powerful performance with 11,800 watts. Its dual heating chambers provide on-demand hot water, making it perfect for chilly weather. With an impressive customer rating of 4.5 stars from 883 reviews, it’s a trusted choice. Plus, you can easily install it indoors as a wall-mounted unit. Enjoy long warranties and a reliable return policy with this exceptional tankless water heater from Titan.
Best For: Homeowners in cold climates seeking a highly efficient and compact water heating solution.
Pros:
- 99.5% efficiency ensures minimal energy waste and lower utility bills.
- Compact design allows for easy wall-mounted installation, saving space indoors.
- On-demand hot water from dual heating chambers provides instant access to hot water without delays.
Cons:
- Requires a 220 V electrical supply, which may necessitate electrical upgrades in some homes.
- Limited capacity may not meet the hot water needs of larger households simultaneously.
- Installation may require professional help, adding to overall costs.
Rheem 11kW 240V Tankless Electric Water Heater
Looking for a reliable solution to meet your hot water needs in colder climates? The Rheem 11kW 240V Tankless Electric Water Heater delivers on-demand hot water, ensuring you never run out, even during chilly weather. With a flow rate of up to 2.68 GPM, it’s perfect for various household tasks. The adjustable digital temperature display and ON/OFF dial control make it user-friendly, while the self-modulating power control optimizes energy usage. Plus, its side 1/2 NPT water connections simplify installation. Trust the Rheem tankless water heater for a consistent and efficient hot water supply when you need it most.
Best For: Homeowners in colder climates seeking a reliable and efficient hot water solution.
Pros:
- On-demand hot water ensures a continuous supply without the need for a storage tank.
- Adjustable digital temperature display allows for easy temperature customization.
- Self-modulating power control optimizes energy usage, potentially reducing utility bills.
Cons:
- Limited flow rate of 2.68 GPM may not be sufficient for larger households with simultaneous hot water needs.
- Requires 240V electrical connection, which may necessitate electrical upgrades in some homes.
- Installation may require professional assistance due to the specific water connection specifications.
ORBEK 14kW Tankless Electric Water Heater
Experience the convenience of endless hot water with the ORBEK 14kW Tankless Electric Water Heater, perfect for households in cold climates. This compact unit fits easily in tight spaces, saving over 50% compared to traditional tank heaters. With a flow rate of up to 3.38 GPM, it supplies hot water for 2-3 points of use simultaneously. It heats water in just 3 seconds, ensuring efficiency and reducing your electricity costs by up to 60%. Plus, its advanced safety features keep you protected. Enjoy easy temperature adjustments with the LED display and rely on 24/7 customer support for peace of mind.
Best For: Households in cold climates looking for an efficient and compact solution for endless hot water supply.
Pros:
- High energy efficiency reduces electricity costs by up to 60% compared to traditional tank heaters.
- Provides hot water in just 3 seconds, making it ideal for on-demand usage.
- Compact design saves over 50% space, perfect for tight installations.
Cons:
- Requires a 240V/60AMP two-pole breaker, which may necessitate additional electrical work.
- Limited flow rate of 3.38 GPM may not be sufficient for larger households with multiple simultaneous hot water needs.
- Installation may require professional help, adding to overall costs.
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
The Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater is an excellent choice for homeowners in cold climates who need reliable hot water on demand. With a maximum flow rate of up to 4.8 GPM and a heat output of 13 kilowatts, it guarantees you enjoy consistent hot water. Its 99.8% energy efficiency saves you money on utility bills. You’ll appreciate the external adjustable digital control for precise temperature management. Installation is easy with included adapters, and the durable copper heating elements are field-serviceable. Rated 4.3 out of 5 stars, it’s a dependable option for chilly weather.
Best For: Homeowners in cold climates seeking a reliable and energy-efficient hot water solution.
Pros:
- High energy efficiency at 99.8%, leading to potential savings on utility bills.
- External adjustable digital control allows for precise temperature management with an LED display.
- Durable copper heating elements are field-serviceable, making maintenance easier.
Cons:
- Maximum flow rate of 4.8 GPM may not be sufficient for larger households with multiple simultaneous hot water needs.
- Wall-mounted installation may require additional modifications for some homes.
- Only supports electric heating, limiting options for those preferring gas or alternative energy sources.
Ecosmart ECO 24 Electric Tankless Water Heater
For homeowners in cold climates, the Ecosmart ECO 24 Electric Tankless Water Heater stands out with its impressive efficiency and self-modulating technology. With a maximum flow rate of 5.8 gallons per minute and the ability to heat water at temperatures as low as 37°F, it’s perfect for chilly environments. Its compact design (17 x 17 x 3.5 inches) makes it easy to mount on walls, while the 99.8% efficiency guarantees lower energy bills. Plus, you’ll appreciate the lifetime warranty on electronics and components. With a 4.3-star rating, it’s clearly a favorite among users seeking reliable hot water solutions.
Best For: Homeowners in cold climates looking for an efficient and compact solution for continuous hot water.
Pros:
- High Efficiency: With a 99.8% efficiency rating, it helps in reducing energy bills.
- Self-Modulating Technology: Automatically adjusts energy usage based on hot water demand, ensuring consistent temperature.
- Compact Design: Its small dimensions allow for easy wall mounting, saving space in home installations.
Cons:
- Limited to Residential Use: Not suitable for commercial applications.
- Installation Costs: While the heater has a lifetime warranty, labor and incidental damages are not covered.
- Flow Rate Dependent on Temperature: Performance may vary based on incoming water temperature, which could be a limitation in extremely cold climates.
WINTEMP Electric Tankless Water Heater (27kW 240V)
If you’re looking for an efficient solution to combat cold climates, the WINTEMP Electric Tankless Water Heater (27kW 240V) stands out with its impressive maximum hot water output of 6.5 gallons per minute. It automatically adjusts energy consumption based on incoming water temperature, guaranteeing a stable water temperature without preheating delays. This unit can save you up to 60% on electricity costs thanks to its self-regulating technology. Its compact, wall-mounted design fits easily in tight spaces, and multiple safety features, including overheat protection, guarantee peace of mind. Enjoy endless hot water while maximizing energy efficiency with the WINTEMP!
Best For: Those seeking an energy-efficient, space-saving solution for endless hot water supply in homes with high hot water demands.
Pros:
- High Efficiency: Achieves up to 99% energy savings compared to traditional tank heaters.
- Endless Hot Water: Delivers a consistent output of 6.5 GPM without the need for preheating.
- Compact Design: Wall-mounted design saves space and is suitable for tight installations.
Cons:
- High Initial Cost: The upfront investment may be higher than traditional water heaters.
- Electrical Requirements: Requires significant electrical setup with 3 x 40 Amp breakers and specialized wiring.
- Maintenance Needs: May require professional installation and periodic maintenance for optimal performance.
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T (ES2.5)
Looking for a reliable hot water solution in cold climates? The BOSCH Electric Mini-Tank Water Heater Tronic 3000 T (ES2.5) might be just what you need. With a 2.5-gallon capacity and a compact design, it fits neatly under sinks, delivering hot water on demand. Its fast recovery rate supplies up to two sinks, eliminating long waits. You can easily mount it on a shelf, wall, or floor. Plus, it boasts a 98% efficiency rating and an external dial for temperature control. With a one-year warranty, you’ll have peace of mind knowing Bosch has your back.
Best For: Those seeking an efficient and compact hot water solution for small spaces, particularly in cold climates.
Pros:
- Convenient point-of-use design allows for easy installation under sinks.
- Fast recovery rate enables simultaneous hot water supply to up to two sinks.
- High efficiency rating (98%) ensures lower energy costs and effective performance.
Cons:
- Limited capacity of 2.5 gallons may not suffice for larger households or heavy usage.
- Requires a 120-volt outlet, which may limit installation options in some areas.
- One-year warranty on parts may be shorter than competitors’ offerings.
Tankless Propane Water Heater, 14L Instant Hot Water Heater
The Tankless Propane Water Heater, with its impressive flow rate of 14 liters per minute, is perfect for households needing instant hot water in cold climates. You’ll enjoy on-demand hot water without preheating delays, making it ideal for showers, kitchens, and garage projects. Built with durable metal housing and a rust-resistant heat exchanger, this heater minimizes limescale buildup and guarantees stable thermal output. Its dual-unit digital display lets you monitor temperatures precisely, while safety features like overheat protection and gas leak detection keep your home secure. Just remember, professional installation is crucial for safe and efficient operation.
Best For: Households in cold climates seeking instant hot water for showers, kitchens, and garage projects.
Pros:
- Instant hot water on-demand with a flow rate of 14 liters per minute.
- Durable metal housing and rust-resistant heat exchanger minimize maintenance.
- Advanced safety features, including overheat protection and gas leak detection, ensure home safety.
Cons:
- Requires professional installation, which can add to overall costs.
- Compatibility limited to propane gas only, restricting fuel options.
- Complex installation process may pose risks if not performed by qualified technicians.
Factors to Consider When Choosing Tankless Water Heaters for Cold Climates
When choosing a tankless water heater for cold climates, you’ll want to contemplate several key factors. Flow rate requirements and temperature stability are essential for ensuring you have consistent hot water. Don’t forget to assess energy efficiency ratings, installation needs, and your available space to find the perfect fit for your home.
Flow Rate Requirements
How do you guarantee a reliable hot water supply in cold climates? It starts with understanding flow rate requirements. In colder regions, you’ll need a tankless water heater with a higher flow rate to counteract the lower inlet water temperatures. For a single shower, aim for at least 3 GPM; if multiple outlets are in use, look for units that provide 5 GPM or more. Remember, the actual flow rate can drop considerably with colder water, so a heater rated for 4 GPM may only deliver 2 GPM under those conditions. Properly sizing your heater based on your simultaneous fixture usage is essential. Choosing a model with self-modulating technology can also help maintain efficiency and reliable flow rates.
Temperature Stability
Choosing a tankless water heater for cold climates means prioritizing temperature stability to guarantee a consistent hot water supply. Look for models that maintain an output temperature within ±1°F of your selected setting. A higher flow rate of 4.4 GPM or more is beneficial, especially when incoming water temperatures drop. Self-modulating technology is essential as it adjusts power in real-time, enhancing temperature stability during use. Opt for units that can reach a maximum temperature of 140°F or higher, which is vital in colder regions. Confirm your chosen heater effectively operates at lower incoming water temperatures, around 37°F, to maintain consistent performance throughout chilly weather. With these factors, you’ll enjoy reliable hot water no matter the temperature outside.
Energy Efficiency Ratings
Energy efficiency ratings play an essential role in selecting tankless water heaters for cold climates. Look for models with a thermal efficiency of 99% to cut down on energy consumption and costs. Self-modulating technology is another feature to take into account, as it adjusts power usage based on your hot water demand, enhancing energy savings considerably. A higher wattage output of 24 kW or above is vital for colder regions, ensuring you have an adequate hot water supply despite lower incoming temperatures. Aim for units with flow rates of 4.0 GPM or higher to accommodate multiple hot water points without sacrificing temperature consistency. Finally, choose models that maintain a stable temperature within ±1°F of your set point for ideal comfort and efficiency.
Installation Considerations
When you’re considering the installation of a tankless water heater in a cold climate, it’s important to guarantee the unit is rated for the incoming water temperature range. Lower temperatures can reduce flow rates and efficiency, so pick wisely. Proper insulation of pipes leading to and from the heater is essential to prevent heat loss, enhancing performance in colder environments. Make sure to install a dedicated electrical circuit with the right amperage and voltage, as some units may require up to 54 amps. Incorporating a pressure relief valve and proper venting is crucial for safety and compliance with local building codes. Finally, place the unit in a location that minimizes exposure to freezing temperatures and allows easy access for maintenance.
Size and Space Constraints
Proper installation considerations set the foundation for selecting the right tankless water heater, especially in cold climates where size and space constraints become essential. Tankless water heaters are typically 90% smaller than traditional tank models, allowing you to install them in tight spaces like under sinks or in closets. For instance, the EcoSmart ECO 11 measures only 11.5 x 8 x 3.75 inches, perfect for homes with limited room. It’s vital to choose a unit based on the maximum flow rate needed for simultaneous hot water use, particularly since colder incoming water temperatures can affect performance. Many models also feature wall-mounted designs, saving valuable floor space and making installation in compact areas easier.
