Having constant hot water can help you instantly be able to wash hands, dish, or take a shower. The on-demand design can help you have your shower be ready in seconds from turning it on (with matching heated bathroom). There many types of tankless water heaters available on the market to choose from, depending on your water requirements and groundwater temperature.
The right tankless water heater for you is the one that will provide you with enough water to suit your basic needs and more. Do your homework to ensure you are purchasing a model that can handle the amount of water you require for small, medium, or large home water requirements. The extra attention to detail can ensure your water requirements will always be hot and not leave you cold.
What are the Best Tankless Water Heaters?
Ecosmart ECO 18 Electric Tankless Water Heater
The Ecosmart ECO 18 Electric Tankless Water Heater is mid-range, self-regulating technology. Designed to run efficiently in warm and cold climates, you can enjoy two showers and sinks running in warmer climates or a single shower and sink in colder climates. The digital temperature thermometer allows you to set the temperature of the water from eighty degrees up to one hundred degrees Fahrenheit.
With endless, on-demand hot water, you will never need to wait for hot water again. The Ecosmart tank is very small and easy to install out of the way. The Ecosmart water heat operates best in warmer climates where the water is at least sixty-two degrees Fahrenheit or above. You will be able to heat up to two and a half gallons of water a minute using the water heater, which is enough to run at least one shower and one sink.
The Ecosmart is an on-demand water heater is a whole home. You need to purchase your new tankless water heater based on the rate of water flow in your home and ground temperature. The higher and stronger the flow, the more on-demand water you will have. If you live in colder regions, you will not be able to heat as much water as if you lived in warmer climates.
You will need at least one hundred fifty amps of power to install the Ecosmart water heater along with two forty double amp breaker poles to make your new water heater runs as you require it to. The Ecosmart water heater uses eighteen thousand watts of power for overall usage and requires two hundred forty-volt bulb voltage.
The tankless water heater does not draw any power or heat any water until you turn on a shower or a sink. The design of the heater accommodates only a certain number of units operating at a time, and at full power, you can expect others to have a reduced flow and temperature if one is on a high. The lower the temperature of the water produced degrades the efficiency of the overall system.
Top Features:
- On-Demand Hot Water – Continuous
- Ninety-nine point eight percent energy efficient
- Digital Temperature Control
- Compact Design
Bosch Electric Mini-Tank Water Heater
The Bosch Electric Mini-Tank Water Heater is the perfect thing for small to moderately sized home. Supplying up to two and a half gallons of on-demand water, the mini tank is small enough to fit under a sink with a maximum efficiency of up to ninety-eight percent. Weighing only fifteen and a half pounds, the water heater is easy to hang and start using with a convenient one hundred twenty-volt plug.
The Mini Bosch tank is long-lasting quality with premium working components and glass-lined materials for continuous, smooth operation. The tank runs on twelve-volts or one hundred twenty-volts to work with standard systems or off-grid systems. The tankless water heater also draws twelve amp hours of electricity when in operation.
The Bosch mini-tank is a water heater you can install independently from the rest of your home. It comes with a thirty-seven-inch cord you can plug into a regular outlet for fast use on a single sink or a full installation to eliminate the need for a larger tank. The tank is efficient in its operations to eliminate long wait times for hot water and water waste.
With your new tankless water system, you can have instant hot water at two sinks at a time. The system is easy to mount under a sink, on the floor, or wall out of the way. Mounting brackets come with the tankless water heater; you need to hook up your water lines to the heater to get your supply of instant hot water. CFC-free foam insulates the tank along with high-quality glass for extended use and durability.
The Bosch on-demand water heater has a fast recovery rating, letting you have at least ninety percent of your water ready to heat within moments of turning off the system. The quality in your tankless water heater purchase extends to the warranties that come with the heater. You also receive a six-year warranty on the heater and a two-year warranty on the parts, in case something does happen to your tank after installation.
Key Features:
- Two and a half gallons a minute
- Compact design
- CFC-Free foam and glass insulate the tank.
- Fourteen hundred forty watt usage
Stiebel Eltron Tankless Water Heater
The Stiebel Eltron Tankless Water Heater can supply you and your household with a continuous supply of on-demand hot water. The tank design helps it be space-saving, so you can install it out-of-the-way in your home without needing to vent excess heat outside your home.
When you install your new tankless water heater, you need to hardwire your new heater into two hundred forty-volt electrical systems. Designed to draw at least twenty-eight thousand eight hundred watts of power on the two hundred forty-volt systems, you will have plenty of hot water to meet your household needs. The system also requires three separate forty-amp breakers connected with eight gauge copper wire for safety and longevity.
You can control your new tankless water heater using the digital display panel that helps you set your tank to exactly the temperature you need for maximum efficiency. Pre-set temperature buttons help you program in exact settings into the memory of the water heater for later use you can also set water-saving and flow monitors to prevent waste of water and electricity.
Advanced flow control helps you and the system control the temperature and amount of water dispensed to help you save energy. With built-in self-modulating technology, the system helps prevent water and electrical loss when on standby mode to help you save money as and energy. A main feature of the system is the quiet operation, so you can enjoy hot water at all times without disrupting your family or neighbors in the night.
A solid copper heating chamber helps you get hot water quickly and extends the life of the water heater’s operation. Copper does not corrode as other materials do and can withstand years of use to save you money—one hundred amps of power recommendation for peak operation of the unit.
You can adjust the system over time to meet changing water needs for low, medium, and high demand times, to save money and energy when you need to control the flow of water and energy. You have a range of output water temperatures from eighty-six degrees to one hundred degrees Fahrenheit.
Key Features:
- Output water temperatures range from eighty-six degrees to one hundred forty degrees Fahrenheit.
- Auto-modulation to save energy
- Built-in digital temperature display and control
- Pre-set and memory control buttons
Rinnai V Series HE Tankless Hot Water Heater
The Rinnai V Series HE Tankless Hot Water Heater can provide enough hot water to meet your home needs. The Rinnai Series of water heater is an outdoor installation that uses natural gas to provide high-efficiency hot water on-demand. You can have up to six and a half gallons of water a minute depending on the temperature of your groundwater.
The Rinnai system uses the latest technology that lets you control your hot water using the Control-R 2.0 Mobile app. Using the app, you can schedule and time when and how you use your hot water at any time during the day. You can ensure your home water is off while you are on vacation to save money and energy. When you are using the Riannai system, you get at least twenty-four sixteen ounce bottles of water, on-demand at any time during the day.
The system is easy to install in and around non-traditional spaces, such as in a closet, crawl space, or attack. The complete system takes up sixteen square feet of space while being space-saving in its slim, upright design. The control you have over the water heater can help you save energy and money, as it regulates the CO2 emissions and works to produce at least forty percent less energy than a regular hot water tank.
The extent of control you have over your hot water system extends to the optional voice-activated control module installation, which lets you control your hot water tank with a series of verbal commands. The tank is ideal for small to medium-sized homes to produce reliable flows of hot water whenever you want and need it.
You can pre-set your system to one hundred twenty degrees to one hundred forty degrees Fahrenheit to have a constant supply of hot water. Built with digital controls with a programmable range of control, you can set your system to whatever you need for your home needs. The system also comes with a full ten-year warranty on the built-on heat exchanger, a five-year warranty on parts and a one-year warranty on labor.
Key Features:
- Pre-set one hundred twenty degrees Fahrenheit setting.
- Operates on Natural Gas
- The system produces up to six and a half gallons of water for a flow rate.
- You can use the control-R 2.0 mobile app for complete control over the system.
Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini-Tank Water Heater
The Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini-Tank Water Heater is sleek and compact in design. You have complete control over the system with an output temperature display that lets you see how your new tankless water heater is operating. Built to be efficient, the tankless water heater is ninety-nine point eight percent energy efficient to save you money and water.
The system design saves water by not turning on until you need the system. When you want hot water, it is directly available when you install in-line water lines. The system is lightweight and compact, making it easy to install out of the way. When installed, the tank weighs slightly less than sixteen pounds, making it perfect for the average person to hook up anywhere in the home.
The system requires only one hundred twenty-volts to operate; you can connect the tankless hot water tank into the regular system. The tank has a maximum wattage of fourteen hundred forty watts with a twelve amp average capacity has the water heater running at peak efficiency from installation. You can hook up the tankless water heater into your main electrical supply with the attached cord and plug.
The main temperature range for the Ecosmart heater is sixty to one hundred forty degrees Fahrenheit, giving you a wide range of heating options for your tank. The amount of water, combined with the right range of temperatures is enough water to run at least a single to a double sink, depending on the temperature of your groundwater.
You can install the water heater directly into your main water source or connect a separate set of lines. The Ecosmart water heater also comes with a six-year limited warranty for leaks and a two-year warranty for the parts.
Key Features:
- The tank has a two and a half-gallon capacity.
- You can control the tank using the output temperature display.
- The design of the system saves money and water.
- You can attach the tank to the main home water system or have it be stand-alone.