Are you looking for a way to save on energy costs while still enjoying hot water? Look no further than the top outdoor tankless water heater. This innovative device is designed to provide you with hot water on demand while reducing your energy costs.

The outdoor tankless water heater is easy to install and maintain, and it's perfect for any outdoor space. It's designed to provide you with hot water without the need for a large tank, so you can save on energy costs and enjoy hot water whenever you need it. Plus, it's designed to be safe and efficient, so you don't have to worry about wasting energy or damaging your home.

This article will review the best outdoor tankless water heater on the market today. We will discuss the features, benefits, and drawbacks of each product, so you can make an informed decision when shopping for the perfect outdoor water heater. We'll also provide you with tips on how to get the most out of your purchase.

Ready to enjoy hot water on demand without breaking the bank? Read on and find the best outdoor tankless water heater for your needs. Get ready to save money and enjoy hot water whenever you need it!

We hope you find your next favorite thing from the list below! Each product was independently selected by our editors. ConsistentReviews may collect a share of sales or other compensation from the links on this page if you decide to buy something (that's how we stay in business). We hope you find your next favorite thing!

How We Choose

Are you looking for the perfect outdoor tankless water heater to provide hot water for your family? With so many different brands and types of conventional water heaters available, it can be hard to know which one is right for you.

Our team of home improvement experts has read thousands of reviews on Amazon to find the best outdoor tankless water heaters for your needs. We've done all the hard work so that you can easily find and purchase the perfect appliance for your home. No more guesswork or wasted money - just the perfect outdoor tankless water heater that will keep your family warm all year round!

EcoSmart ECO 11 Electric Tankless Water Heater

EcoSmart ECO 11 Electric Tankless Water Heater

Endless On-Demand Hot Water

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Why We Love It:

The EcoSmart ECO 11 Electric Tankless Water Heater is the perfect choice for endless hot water on demand. This energy-efficient water heater is 90% smaller than traditional tank gas water heaters and is 99% thermal energy efficient, meaning it only heats water when called, not when not in use. With consistent hot water when you need it and a temperature range of 80-140°F, this appliance is ideal for multiple or single applications, such as one shower and one sink in colder climates, or two showers in warmer climates.

What You Should Know:

This Smart Technology electric tankless water heater is equipped with a digital temperature control allowing you to set your temperature in increments of 1 degree for maximum control. The ECO 11 is easy to install and can be mounted on a wall or at the point of use. Designed with quality and safety in mind, this water heater is a great choice for those looking for a dependable and energy-efficient way to provide hot water on demand.

Stiebel Eltron Tankless Water Heater

Stiebel Eltron Tankless Water Heater

Hot showers Will Never be Interrupted Again

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Why We Love It:

The Stiebel Eltron Tempra 20 Trend Tankless Water Heater is a great choice for those looking for an energy-efficient way to heat water. It offers continuous, on-demand flow, meaning hot showers will never be interrupted again. Additionally, its small, sleek design saves space yet still provides an unlimited supply of hot water for your whole house without the need for venting. Plus, it runs silently and has a digital temperature display that is easy to read.

What You Should Know:

This tankless water heater is also an eco-friendly unit that saves energy with its auto-modulation feature. It typically uses 15-20% less energy compared to conventional electric tank water heaters and is even more efficient than tankless gas water heaters or those that use gas or oil. Plus, it’s easy to install and maintain and is backed by a 3-year warranty. So why wait? Get your own Stiebel Eltron Tempra 20 Trend Tankless Water Heater today and start enjoying hot water whenever you need it!

Camplux Tankless Water Heater

Camplux Tankless Water Heater

Lightweight, Compact & Portable Design

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Why We Love It:

The Camplux Tankless Water Heater is the perfect lightweight, portable solution for hot water outdoors! It's compact and easy to set up, and features a temperature raise of 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) at its lowest point of 1.32 GPM, so you can enjoy hot water wherever you go. Plus, it features a variety of safety features such as flame failure protection, dry combustion protection, overheat protection, high water pressure protection, anti-freezing protection, and low water flow and freeze protection.

What You Should Know:

The Camplux Tankless Water Heater is perfect for off-grid and rural areas, as it only requires two size D batteries to power it. It also features a low water pressure starting at 3.0 PSI, and it produces 1.32 gallons of hot water per minute at a flow rate of 1.32 GPM. Plus, it's made with high-quality materials and is designed to last for years to come. So why wait? Get your own Camplux Tankless Water Heater today and enjoy hot water wherever you go!

EcoSmart ECO 27 Tankless Water Heater

EcoSmart ECO 27 Tankless Water Heater

Endless on-Demand Hot Water

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Why We Love It:

The EcoSmart ECO 27 Tankless Water Heater is the perfect solution for hot water on demand. It is 90% smaller than traditional tank heaters and can be installed on a wall or at the point of use. This energy-efficient water tankless heater is 99% thermal energy efficient and only heats water when it is called upon, unlike a tank heater that maintains water temperature even when not being used. It is perfectly suited for cold climates or high flow rates and can save up to 50% in water heating costs according to the Department of Energy.

What You Should Know:

The EcoSmart ECO 27 Tankless Water Heater is equipped with self-modulating flow sensor technology which regulates the amount of energy required to heat the water needed. It features a digital temperature display showing the outlet water temperature setting and uses (3) 9 kW standard Emerson electric heating elements with brass tops to prevent electrolysis. The reliable copper heat exchanger ensures consistent performance within 1 degree of the selected temperature. Plus, it is UL and CSA certified, making it a great choice for your home. So why wait? Get the EcoSmart ECO 27 Tankless Water Heater today!

Electric Tankless Water Heater, ECOTOUCH 14kW Instant Hot Water Heater

Electric Tankless Water Heater, ECOTOUCH 14kW Instant Hot Water Heater

Self Modulation & Energy Saving Technology

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Why We Love It:

The ECOTOUCH Electric Tankless Water Heater is essential for any home. With 14kW of a really powerful smart heating system, this tankless water heater provides sufficient and endless hot water of 120℉ or higher in seconds. And, with its smart self-modulation heating system, the ECOTOUCH tankless water heater can adjust the exact power input based on the current flow rate and temperature setting, ensuring a comfortable experience and excellent energy efficiency. Plus, with its compact and sleek design, this electric tankless water heater is a perfect hot water solution for a single shower, kitchen and bathroom sink faucets, dishwashers, and washing machines.

What You Should Know:

The ECOTOUCH Electric Tankless Water Heater is not only powerful and efficient, but it's also safe. With its advanced safety features, like overheating protection and leakage protection, you can feel secure in the knowledge that your family will be safe from harm. Plus, with its minimum energy cost, the ECOTOUCH can heat 2.3GPM water from 67℉ to 112℉, outperforming other point-of-use electric tankless water heaters. So why wait? Get an ECOTOUCH tankless water heater today and start enjoying endless hot water!

Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater

Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater

Advanced Safety Protection System

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Why We Love It:

GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater is the perfect appliance for camping, RV, hunting, poolside, washing pets or horses, cleaning a vehicle, or even in a tiny house, greenhouse, or cabin. It has a maximum output power of 41000 BTU/hour and can produce 1.58 gallons per minute of hot water at a flow rate of 1.58 GPM. It also features a low water pressure start-up, requiring only 3.6 PSI of water pressure. Plus, the product is CSA-certified and contains multiple protections against overheating, low-supply hot water flow, dry combustion, freezing, high water pressure, and flame failure.

What You Should Know:

GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater is designed for maximum portability and convenience. It can be used with a standard 20-pound liquid propane tank and electronic ignition that is fueled by two D-cell batteries. With its high heat output and multiple safety protections, you can be sure that your water is heated safely and quickly. Plus, it’s easy to install and maintain - perfect for anyone looking for an efficient and reliable water heater. So why wait? Get your own GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater today!

Instantaneous Tankless Water Heater

Instantaneous Tankless Water Heater

Energy Saving and Environmental Protection

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Why We Love It:

The SoBigFeiji Instantaneous Tankless Water Heater is perfect for those who need hot water instantly. It does not need to store water, making it extremely energy-efficient and environmentally friendly. It also has adjustable water temperature with a range of 35-50℃ and features 3000W power, AC 110V voltage, and 2.08mm² copper wire (#14 AWG wire). Plus, the trip switch is set to 32A, so you don't have to worry about it tripping.

What You Should Know:

The SoBigFeiji Instantaneous Tankless Water Heater is a great choice for those looking for instant hot water. Its impressive 3000W wattage and 110V voltage are perfect for small spaces and it has adjustable water temperature. Plus, it is non-GMO, vegan-friendly, and free of preservatives and the most common allergens, such as gluten, dairy, and soy. So why wait? Get your own SoBigFeiji Instantaneous Tankless Water Heater today!

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater

External Adjustable Digital Thermostatic Control with LED Display

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Why We Love It:

The Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater is a great way to provide hot water to your home. It features an external adjustable digital thermostatic control with an LED display for accurate temperature control. It also has durable copper immersion two heating elements, field serviceable, and self-modulating power control for precise and efficient heating. Plus, it has a simple installation process with 1/2 NPT adapters included and side 1/2 inch compression water connections.

What You Should Know:

The Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater is 99.8% energy efficient and boasts of having an external control to adjust the temperature in increments of 1°F. It is also equipped with a Water-Saver Shower Head of 1.5 GPM and is threaded for easy replacement and installation. This tankless water heater is the perfect choice for single point-of-use or multiple applications. Get your own Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater today!

Tankless Water Heater 5.5kw 240V, ECOTOUCH Point-of-Use Digital Display

Tankless Water Heater 5.5kw 240V, ECOTOUCH Point-of-Use Digital Display

Real Compact Design

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Why We Love It:

ECOTOUCH Tankless Water Heater is perfect for any sink and provides instant, consistent, and endless hot water of 116℉or or higher temp whenever you need it. With its 5.5KW heating system and smart self-modulation heating, it offers a 98% optimal energy efficiency, saving you considerable electric charge.

What You Should Know:

ECOTOUCH Tankless Water Heater is perfect for any kitchen and bathroom sinks, wet bars, strip malls, and doctor's offices. It also features adjustable power input based on flow rate and temperature setting in real-time, so you won't have to worry about getting scalding hot water ever again. With its compact and sleek size, this water heater is a perfect solution for all your needs. Plus, it's easy to install and maintain, making it a great choice for any home. So why wait? Get your own ECOTOUCH Tankless Water Heater today!

Are you looking for the best outdoor tankless water heater for your home? With so many options on the market, it can be hard to know which one is right for you.

We understand the importance of finding the perfect outdoor tankless water heater for your home. That's why we've compiled a list of the most frequently asked questions about tankless water heaters so you can make an informed decision.

We'll help you learn about the features and benefits of different types of outdoor tankless water heaters, so you can find the best one for your home.

Are outdoor tankless water heaters good?

Yes, outdoor tankless water heaters can be a great option for many households. They offer several benefits, including energy savings, efficiency, space savings, and the ability to provide hot water on demand.

Additionally, they are often more cost-effective than traditional tank-style water heaters, as they reduce energy costs by only heating water when needed. They also require less maintenance than traditional tank-style water heaters, as they don't need to be drained or flushed out regularly.

Can tankless water heaters be installed outside?

Yes, tankless water heaters can be installed outside, as long as they are in a protected area and not exposed to extreme weather conditions. The unit must be installed on an exterior wall that is adequately insulated and protected from the elements.

It is also important to ensure that the unit is not exposed to direct sunlight or any other source of extreme heat. Additionally, it must be installed in an area that is well-ventilated and free of combustible materials.

How do you weatherproof an outdoor tankless water heater?

Weatherproofing an outdoor tankless water heater involves several steps. First, make sure the unit is properly installed and sealed with appropriate weatherproofing materials. Next, you'll want to cover the tankless water heater for outdoor installation with an insulated cover to protect it from the elements.

Finally, you should also add a layer of insulation around the unit to ensure that it stays warm enough to operate efficiently even during cold weather. Additionally, you may want to consider installing a windbreak around the unit to reduce the amount of wind exposure.

Can you use an outdoor tankless water heater in cold climates?

Yes, you can use an outdoor tankless water heater in cold climates. However, you will need to take certain steps to ensure that the unit is properly insulated and protected from the elements. Tankless water heaters are designed to be used in extreme temperatures, so they can handle cold weather. However, you will need to make sure that the unit is properly insulated and that the pipes leading to and using warm water from the unit are properly insulated as well. This will help to keep the water at a consistent temperature and prevent freezing.

What are the two disadvantages of a tankless water heater?

The two main disadvantages of a tankless water heater are its cost and its limited flow rate. Tankless water heaters are more expensive than traditional water heaters, and the cost of installation can be higher too. Additionally, tankless water heaters are limited in the amount of hot water they can provide at any given time. This means that if you have multiple outlets running hot water at the same time, you may experience a decrease in water pressure.

How long do outdoor tankless water heaters last?

Outdoor tankless water heaters typically last between 10 and 20 years, depending on the quality of the unit and how well it is maintained. With proper maintenance and care, your tankless water heater can last up to 20 years or more. To ensure your tankless water heater lasts as long as possible, it is important to perform regular maintenance such as descaling, flushing, and replacing filters. Additionally, it is important to keep the water heater free of debris and dirt and to keep the area around the house tankless water heater clear of any obstructions.

What is negative about tankless water heaters?

Tankless water heaters require more energy than traditional tank water heaters to heat the same amount of water. This means that tankless water heaters are more expensive to operate. Additionally, tankless water heaters require a higher water pressure than traditional tank water heaters, meaning that they may not be suitable for all homes. Finally, tankless water heaters have a limited flow rate, meaning that they may not be able to supply enough hot water for multiple simultaneous uses.

Which is the better indoor or outdoor tankless water heater?

It depends on your preference and the specific needs of your home. Outdoor tankless water heaters are more efficient and don’t take up as much space, but they may require additional insulation to protect them from cold temperatures. Indoor tankless water heaters are more convenient and can be installed in tighter spaces, but they may require more ventilation to prevent the build-up of heat and moisture. Ultimately, it comes down to your individual needs and preferences.

Where should tankless water heater not be installed?

Tankless water heaters should not be installed in areas that are prone to freezing temperatures, as this can cause the pipes connected to the tankless water heater to freeze and burst. They should also not be installed in areas with low water pressure, as this can cause the water heater to not function properly. Additionally, tankless water heaters should not be installed outdoors, as this can cause the unit to be exposed to the elements and can lead to corrosion and other damage.

Do tankless water heaters need outside air?

Yes, tankless water heaters do need outside air. Tankless water heaters use a combustion process to heat the water, and for this process to be efficient and safe, an adequate amount of outside air must be supplied to the water heater. Without enough outside air, the combustion process will be inefficient and could potentially be dangerous. Additionally, tankless water heaters must be vented to the outside to ensure that any harmful gases produced during the combustion process are safely released.

Which is better propane or natural gas tankless water heater?

It depends on your individual needs and preferences. Propane tankless water heaters are generally more powerful than natural gas ones, so they can provide a higher flow rate of hot water, making them ideal for larger households. However, they can be more expensive to install and require a propane tank for fuel. Natural gas tankless water heaters are cheaper to install and use natural gas as fuel, but they may not be able to provide enough hot water for larger households. It's best to consult a professional to determine which type of propane tankless water heater is best for your home.

We hope this review has helped you decide on the best outdoor tankless water heater for your needs. Whether you’re a professional plumber or just a homeowner looking for a reliable water heater, the nine options we’ve highlighted here are sure to provide you with the performance and reliability you need. From energy-efficient designs to durable construction, these tankless water heaters are designed to make your outdoor life easier and more enjoyable. So go ahead and pick the one that best suits your needs and get ready to enjoy hot water anytime, anywhere!

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