The idea that you can carry your water heater anywhere may seem wild, but the best tankless water heaters are designed to be easily portable. They are compact and quick to heat, and you can carry them on trips and enjoy a hot, refreshing shower anywhere, any time. A tankless water heater is easy on the pocket and much more energy-efficient than traditional heaters, thus making them an excellent option to have during the winters. Keep scrolling as we have listed the top tankless water heaters that are worth every penny and give you a few tips on choosing the perfect one.
11 Best Tankless Water Heater
1. Best Durable:Ecosmart ECO 18 Electric Tankless Water Heater
The Ecosmart electric tankless water heater will never let you run out of hot water when used correctly. It has a stylish appearance and does not take up much space, and can be mounted on the wall. The unit weighs 14 pounds and measures 3.63x14x17 inches. Compared to traditional tanks, it is 90% smaller and has highly advanced self-modulating technology. It uses energy to heat the water only when needed, and thus can save time and 50% of the hot water bill. If you want to find out more about this product and its usage, make sure to check out this review on YouTube. Pros
Field replaceable elements Lifetime warranty for residential use Simple operation Highly durable
Cons
May not have remote temperature control
2. Best Anti-Freezing Protection:Camplux Tankless Water Heater
The Camplux tankless water heater has an oxygen-depletion sensor protection function and energy-saving technology, making it suitable for use in a well-ventilated room. It has a compact structure and a foldable handle, so it can be used outdoors too. The maximum power output is 28,000 Btu/hour, the propane gas pressure is 0.4psi, and offers an output of 1.32 gallons/minute of hot water. The device weighs 14.08lb and measures 11.42×4.33×14.8 inches. If you need further convincing, check this YouTuber’s review out. Pros
Anti-freezing protection Energy saving Easy to use Simple installation Approved by CSA
Cons
May overheat, causing a fire
3. Best Easy-To-Install:Rinnai Tankless Water Heater (Rinnani or Rinnai?)
The Rinnai tankless water heater with ThermaCirc360 technology recirculates water through your pipeline to quickly deliver hot water. The heater is designed to optimize energy usage and conserve water, playing a significant role in the sustainable reliability mechanism. The average service life of Rinnai tankless water heater is 20 years. It weighs 45.6 pounds, and the overall dimensions are 14.04×9.27×26.9 inches. Check out the review of this product on YouTube to know why it is one of the best out there. Pros
Saves valuable space Easy to install Perfect for indoors Saves money
Cons
May require a venting system
4. Best For Silent Operation:Stiebel Eltron Tankless Water Heater
Stiebel Eltron tankless electric water heater has advanced flow control German patented technology, preventing water temperature fluctuations and bringing endless comfort. Compared to traditional water heaters, it saves up to 20% of electricity. It also has a digital display to provide an accurate temperature reading and is known for its highest standards and reliability. Pros
Small and compact Silent operation Easy to install Endless hot water
Cons
May not have an installation kit
5. Best Energy Efficient:Ecotouch Electric Tankless Water Heater
The Ecotouch tankless electric water heater has a self-adjusting control function, which can maintain a stable temperature outlet, ensuring the best energy efficiency of about 98%. The electric heater also has a digital display and touch control panel to make temperature setting easy. You don’t need to wait for the water to heat because it can continuously provide hot water of 110°F or higher within a few seconds. For safety, the internal water line and electricity line have been kept separate, thus preventing leakage or accumulation risk. Pros
Easy to install Simple operation Over high temp protection Electric leakage protection
Cons
Connection quality not up to the mark
6. Best Self-Modulation Technology:Rheem Tankless Water Heater
Rheem tankless water heaters have an eternal digital thermostatic control with an LED display. This water heating unit also offers self-modulation technology to align hot water requirements with power output. The flow rate is around 4.4GPM to deliver hot water round the clock. The unit weighs 14.8lb, and the dimensions of this device are 18.25×3.5×14.5 inches. Pros
Silent operation Easy to install Digital temperature display Replacement model
Cons
May not be energy efficient
7. Best Compact:Marey Tankless Water Heater
Do you experience frequent power outages in your area? The Marey tankless water heater is the right choice because it works on propane gas and not electricity. Just adjust the size according to your requirements, and you will never run out of hot water. Also known as an on-demand water heater, it can save up to 87% of energy and save electricity bills. The Marey water heater weighs 21lb and measures 6.9×13.6×23.6 inches. It can work on a 2D battery, and you can start the device with power ignition. Pros
Simple installation Five years warranty Hardware included Compact saves space
Cons
May not have vent pipes
8. Best Overheating Protection:Gasland Tankless Water Heater
The Gasland tankless water heater weighs 14.65 pounds and measures 11.8×6.1×17.3 inches. It is small in size, easy to carry on vacations, and can save up to 11.5% of energy. The device has passed the CSA certification and has an anti-freeze protection drain plug that can drain the remaining water to prevent freezing when not in use or cold areas. Protection from overheating at temperatures exceeding 167°F can ensure home safety. It is ideal for outdoor use, but you can use it indoors if you install a ventilation duct or a flue pipe. Pros
Easy installation Excellent customer service Compact and lightweight Battery-powered Easy to use
Cons
May not be suitable for high altitude areas above 3300ft
9. Best Easy-To-Program:Eemax Electric Tankless Water Heater
The Eemax electric tankless water heater can provide hot water quickly and continuously. It is equipped with advanced self-adjusting technology, indicating that the device can automatically adjust the required energy according to the hot water demand. Make sure you purchase the size according to the hot water requirements and check it carefully before installation. The device weighs 8.08lb pounds and measures 11.5x 8×3.75 inches. The compact size of the heating device saves on storage space. Pros
Simple installation Easy to program Five years warranty for leaks and one year for parts Great energy saver
Cons
Suitable for sink and not shower
10. Best Safety Functions:Biselong Electric Tankless Heater
This electric tankless hot water heater is specially designed for bathing as it can maintain a constant water temperature. It has an in-built smart chip that calculates the required power base for the water flow without disturbing the water temperature, thus saving energy and your bill. You can use this hot water heater for the kitchen, bathrooms, school, hospital, and hair salon. Digital display allows you to see the water temperature, and the touch control panel enables easy adjustment of temperature. It measures 7.4×2.5×11.8 inches and weighs 5.13 lbs. Pros
Compact design Energy saving Multiple safety functions Instant heating 360 degrees installation 1-year warranty
Cons
Ineffective temperature control
11. Best State-Of-The-Art Technology:Rinkmo Electric Tankless Water Heater
The Rinkmo electric tankless water heater is extremely safe because the hot water and the electric hose are separated to prevent rust and explosion. Using the Rinkmo heater, you can save on power bills. It also supports LED alarm, which reflects as LL or HH, when the inlet water temperature is lower than 37°F or higher than 167°F. Silicone wire ensures heat resistance and durability. The machine weighs 11.2l pounds and measures 18x14x3.7 inches. Pros
Saves maintenance cost Saves energy Compact design State-of-the-art technology Continuous supply of hot water
Cons
May not be suitable for showers
How To Choose The Right Tankless Water Heaters?
Here are some factors that you should consider before buying a tankless water heater.
Why Trust MomJunction?
We have compiled this list of the best electric tankless water heaters after considering their quality, safety, and features. These tankless water heaters are easy to use, portable, and heat up faster. Several users on various e-commerce sites have also endorsed them. We have included a buying guide and explained the pros and cons of each product to help you make the right decision based on your requirements.
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