Imagine this: you turn on the hot water for a long, steamy shower after a chilly day, only to be met with a disappointing trickle of lukewarm water. Frustrating, right? For many people living in colder regions, this is a real problem, especially when trying to pick out a new water heater. Electric tankless water heaters promise endless hot water, but in places where the incoming water is already freezing cold, making the right choice can feel like a puzzle with missing pieces.
The truth is, not all electric tankless water heaters are created equal, and those designed for warmer climates might not cut it when the temperatures drop significantly. You worry about whether it will actually heat the water enough, if it will use too much electricity, or if it will even last through the harsh winter. It’s a big decision with real consequences for your comfort and your energy bills.
But don’t worry! This post is here to help you navigate the world of electric tankless water heaters specifically for cold climates. We’ll break down what you need to know to find a unit that will keep your showers hot and your home cozy, no matter how low the thermometer goes. By the end, you’ll feel much more confident in choosing the perfect heater for your needs.
Our Top 5 Electric Tankless Water Heater For Cold Climates Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater | 9.2/10 | Check Price |
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Rheem 18kW 240V Tankless Electric Water Heater | 9.0/10 | Check Price |
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14kW Tankless Water Heater Electric | 9.3/10 | Check Price |
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EcoSmart ECO 11 Electric Tankless Water Heater | 9.4/10 | Check Price |
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Tankless Water Heater Electric 110V | 8.8/10 | Check Price |
Top 5 Electric Tankless Water Heater For Cold Climates Detailed Reviews
1. Rheem RTEX-24 24kW 240V Electric Tankless Water Heater
Rating: 8.6/10
The Rheem RTEX-24 24kW 240V Electric Tankless Water Heater in gray is a smart choice for your home’s hot water needs. It provides endless hot water, saving you space and energy.
What We Like:
- It gives you continuous hot water, so you never run out.
- You can easily set the temperature from 80 to 140 degrees Fahrenheit using a simple dial and digital display.
- It’s energy-efficient, which means it saves you money on your electricity bills.
- It’s small and doesn’t need any special vents, saving you space.
- It’s designed for whole-home use, meaning it can handle the hot water demands of your entire family.
What Could Be Improved:
- This unit requires a significant electrical setup. You’ll need three 40-amp double-pole breakers and a 200-amp household service.
- You must make sure your home’s electrical system can handle the power needed.
- Checking if your breaker panel has enough space for these breakers is important.
- The amount of hot water it can provide depends on the temperature of the water coming into your home.
This Rheem tankless water heater offers convenience and efficiency. It’s a great upgrade for a modern home that needs reliable hot water.
2. Rheem 18kW 240V Tankless Electric Water Heater
Rating: 9.3/10
The Rheem 18kW 240V Tankless Electric Water Heater in Gray is a smart and efficient way to get hot water in your home. It heats water only when you need it, saving energy and space. This heater is designed to be user-friendly with a clear digital display and easy controls.
What We Like:
- Precise temperature control: The external digital thermostat lets you set the water temperature exactly how you like it, with a super accurate (+/- 1 degree) LED display.
- Smart power use: Its advanced self-modulation technology adjusts the power it uses to match how much hot water you need. This means you don’t waste energy.
- Built to last: It features durable copper immersion heating elements that are strong and can be serviced in your home if needed.
- Good hot water flow: You can get up to 4.4 gallons of hot water per minute, which is great for showers and other busy times.
- Easy to install: The connections are simple with bottom 3/4 inch NPT water connections that are threaded for quick and easy replacement.
- Clear temperature readout: The digital temperature display makes it easy to see the current water temperature at a glance.
What Could Be Improved:
- Initial cost: Tankless water heaters can have a higher upfront price compared to traditional tank heaters.
- Electrical requirements: This is an 18kW heater, so it needs a strong 240V electrical connection, which might require an electrician for installation if your home isn’t set up for it.
This Rheem tankless water heater offers modern convenience and efficiency. It’s a solid choice for anyone looking to upgrade their hot water system.
3. 14kW Tankless Water Heater Electric
Rating: 8.8/10
Tired of lukewarm showers or waiting for your hot water tank to reheat? The ORBEK 14kW Tankless Electric Water Heater offers an instant and endless supply of hot water, perfect for busy households. This compact unit heats water on demand, saving energy and space.
What We Like:
- Provides instant, endless hot water up to 3.38 GPM, enough for 2-3 uses at once.
- Highly energy efficient, potentially cutting electricity costs by up to 60%.
- Advanced safety features like leakage and over-temperature protection are included.
- Maintains a stable water temperature within 1°F for a comfortable shower.
- Easy-to-read LED digital display for simple temperature control (86°F-140°F).
- Compact design saves over 50% of space compared to traditional tank heaters.
- Installation is made easier with structural improvements.
- Comes with long-term return and exchange services and technical support.
What Could Be Improved:
- Requires a specific 240V/60AMP two-pole breaker and 6 AWG wires, which may require professional electrical work.
- The total household circuit breaker panel must be 150 amps or greater for optimal performance, especially if other high-power appliances are in use.
If you’re looking for a modern, efficient, and space-saving hot water solution, the ORBEK tankless water heater is a strong contender. Just be sure to check your electrical setup before purchasing.
4. EcoSmart ECO 11 Electric Tankless Water Heater
Rating: 8.9/10
The EcoSmart ECO 11 Electric Tankless Water Heater is a smart way to get hot water. It uses 13KW of power and runs on 240 volts. This heater has a special technology that helps it work really well. You get hot water whenever you need it, and it never runs out. It also keeps the water temperature just right, always within one degree of what you set.
What We Like:
- Endless hot water means no more cold showers!
- It’s super energy efficient, saving you money on bills.
- It’s 90% smaller than old tank heaters, so it saves space.
- It heats water only when you need it, which is smart.
- It keeps the water temperature very steady.
What Could Be Improved:
- It uses 54 amps, so you need the right electrical setup.
- It’s best for smaller jobs like one bathroom or a sink, not a whole house.
- You need to check a sizing guide to make sure it’s right for you.
This heater is a great option for smaller spaces and specific hot water needs. It offers convenience and savings for everyday use.
5. Tankless Water Heater Electric 110V
Rating: 9.2/10
Tired of waiting for hot water? This 110V, 3000W mini tankless water heater is your solution for instant hot water, right where you need it. It heats water in seconds, so you can say goodbye to cold showers or lukewarm dishes. Its compact size makes it perfect for under the sink in your kitchen or bathroom, and the digital display lets you easily set your desired temperature.
What We Like:
- Instant hot water in 3-5 seconds for quick use.
- Compact, lightweight design fits easily under sinks.
- Digital display shows temperature in Fahrenheit or Celsius.
- Multiple safety features like leakage and dry-burning protection.
- ETL certified for quality and reliability.
- Easy installation with standard fittings and included hardware.
- Ideal for various locations like kitchens, bathrooms, RVs, and apartments.
- Comes with a 24-month warranty for peace of mind.
What Could Be Improved:
- Requires a dedicated circuit with a 32a trip switch and 2.5 sq mm wires for optimal performance.
- Heating capacity is limited to 0.3-0.5 GPM, best for point-of-use applications rather than whole-house heating.
- Must be installed vertically to prevent malfunctions.
This mini tankless water heater offers convenient, on-demand hot water with impressive safety features. It’s a smart choice for improving your daily comfort in small spaces.
Choosing the Right Electric Tankless Water Heater for Cold Climates
Cold weather can be tough on your home, and it’s especially tough on your hot water supply. If you’re looking for a reliable way to get endless hot water, even when the temperature drops, an electric tankless water heater is a great option. These heaters heat water on demand, so you don’t waste energy keeping a tank of water hot. Here’s what you need to know to pick the best one for your cold climate.
Key Features to Look For
- High Flow Rate: This is super important in cold climates. Cold water is denser, so your heater needs to work harder to warm it up. Look for a heater with a high flow rate (gallons per minute or GPM) to ensure you get enough hot water for showers, dishwashers, and washing machines, even when multiple things are running at once.
- Temperature Control: Precise temperature control is a must. You want to be able to set your desired hot water temperature accurately. Look for digital displays and easy-to-use controls.
- Energy Efficiency: While tankless heaters are generally more efficient than tank heaters, some are better than others. Look for Energy Star certified models. They use less electricity, saving you money on your energy bills.
- Compact Size: Tankless heaters are much smaller than traditional tank heaters. This makes them easy to install in tight spaces, like under a sink or in a closet.
- Durability and Safety: Check for safety features like overheat protection and dry-run protection. A sturdy build means your heater will last longer.
Important Materials
The materials used in a tankless water heater affect its durability and performance.
- Stainless Steel Heating Elements: These are excellent. Stainless steel resists corrosion and limescale buildup, which is common in areas with hard water. This means your heater will work better and last longer.
- Copper Heat Exchangers: Copper transfers heat very efficiently. A good quality copper heat exchanger helps your heater warm water quickly and effectively.
- Durable Casing: The outer casing should be made of sturdy material that can withstand the environment it’s in.
Factors That Improve or Reduce Quality
Several things can make a tankless water heater perform better or worse.
- Wattage and Voltage: For cold climates, you need a heater with enough wattage and the correct voltage (usually 240V) to handle the increased demand. A heater that’s too small will struggle to keep up.
- Brand Reputation and Warranty: Stick with well-known brands that have good reviews. A longer warranty is a sign that the manufacturer stands behind their product.
- Installation Quality: Proper installation is crucial. A qualified plumber will ensure the heater is connected correctly to your water and electrical systems. Poor installation can lead to problems and reduce the heater’s lifespan.
- Water Hardness: Hard water, which has a lot of minerals, can cause limescale to build up inside the heater. This reduces efficiency and can damage the unit. If you have very hard water, consider a water softener or a model designed to resist scale.
User Experience and Use Cases
People love tankless water heaters for the endless hot water they provide. In a cold climate, this means no more cold showers!
- Showers and Baths: You can take long, hot showers without worrying about running out of hot water.
- Kitchen and Laundry: Running your dishwasher and washing machine with hot water is no problem.
- Seniors and Large Families: Anyone who needs a consistent supply of hot water will benefit greatly.
- Small Homes and Apartments: Their compact size is perfect for saving space.
An electric tankless water heater can be a game-changer for your home, especially when the temperatures plummet. By focusing on these key features and understanding the important materials and factors, you can find a heater that will keep you warm and comfortable all year long.
Frequently Asked Questions (FAQ)
Q: Will an electric tankless water heater work well in very cold weather?
A: Yes, but you need to choose one with enough power. Cold incoming water requires more energy to heat, so look for a high-flow rate and sufficient wattage for your needs.
Q: How much electricity do these heaters use in cold climates?
A: They use electricity only when you need hot water, which is more efficient than heating a tank constantly. However, heating very cold water takes more energy, so your electricity bill might be higher during winter months compared to summer.
Q: Can one tankless heater supply hot water to my whole house?
A: It depends on the heater’s flow rate and the number of hot water fixtures you use at once. For larger homes or high demand, you might need a more powerful unit or even multiple units.
Q: What is the lifespan of an electric tankless water heater?
A: With proper maintenance, an electric tankless water heater can last 15-20 years, which is often longer than traditional tank heaters.
Q: Do I need a special electrical panel for an electric tankless water heater?
A: Yes, most electric tankless water heaters require a dedicated 240-volt circuit. You may need an electrician to upgrade your electrical panel if it can’t support the heater.
Q: How do I prevent limescale buildup in my tankless water heater?
A: Regular flushing with a descaling solution is recommended, especially if you have hard water. Some heaters have features to help reduce scale, but maintenance is key.
Q: Are tankless water heaters noisy?
A: They can make some noise, usually a humming or whirring sound, as the heating elements and pump operate. However, they are generally not considered overly loud.
Q: Can I install an electric tankless water heater myself?
A: While some DIYers can handle it, it’s strongly recommended to hire a qualified plumber and electrician. Improper installation can be dangerous and void your warranty.
Q: What is the difference between a point-of-use and a whole-house tankless heater?
A: A point-of-use heater is installed near a single fixture (like a sink) to provide hot water only there. A whole-house heater is installed centrally and supplies hot water to your entire home.
Q: How do I choose the right GPM (gallons per minute) for my needs?
A: Add up the GPM of the fixtures you might use simultaneously. For example, a shower might use 2.5 GPM, and a faucet 1 GPM. If you plan to run a shower and a faucet at the same time, you’d need a heater with at least 3.5 GPM, plus a little extra for cold climates.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.