Best 40 Gal Water Heater (2024 Update)
If you're looking for a reliable and energy-efficient water heater that can provide you with hot water for long baths or multiple showers in a row, a 40-gallon unit might be the perfect fit for your home. But with so many options on the market, how do you choose the best 40 gal water heater that meets your needs and budget?
Before making a purchase, there are a few factors to consider. First, evaluate your household size and hot water usage demands. If you have a large family or frequently run multiple appliances that require hot water simultaneously, you might need a unit with a higher recovery rate or a larger tank size. Additionally, consider the fuel type (electric, gas, or hybrid) and the energy efficiency rating, as these factors can impact operational costs and long-term savings.
Are you tired of cold showers or running out of hot water mid-shower? Do you want to enjoy a long bath without worrying about running out of hot water? Maybe you're looking to replace an old and inefficient unit with a more modern and eco-friendly model. Whatever your reason, finding the best 40 gal water heater is crucial for ensuring comfort and convenience in your home. Keep reading to learn more about the top brands, features, and specifications to consider when shopping for a new unit.
10 Best 40 Gal Water Heater
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It is an ideal portable hot water heater for cabins, barns, RVs, and camping with overheating protection and easy installation.
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2
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The product is ideal for providing outdoor hot water heating with a natural gas source and a flow rate of 5.3 GPM.
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3
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This product is ideal for providing hot water in kitchens for household use.
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4
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This tankless water heater is ideal for providing instant hot water in bathrooms, RVs, and small point-of-use applications.
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5
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The product is ideal for providing hot water for household use.
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6
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Ideal for providing instant hot water under the kitchen sink with a 6.5 gallon tank capacity and 120V/1440W power.
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7
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It is ideal for providing hot water on demand to a household or small commercial property.
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8
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This product is ideal for providing instant and endless hot water for residential whole house showers.
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9
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The product is ideal for providing hot water efficiently and continuously in indoor spaces using natural gas.
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10
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Ideal for indoor installation, providing hot water on demand with high efficiency and natural gas fuel source.
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1. Gasland Outdoors 12l Portable Tankless Water Heater
The GASLAND BS318 Tankless Water Heater is a powerful and versatile unit that can be used in a variety of settings, including camping, RVing, hunting, and more. With a maximum power output of 82,000BTU/Hr, this unit can produce up to 3.18 gallons of hot water per minute at a flow rate of 3.18 GPM. The temperature can rise up to 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) at its lowest point.
This tankless water heater is easy to start with low water pressure, requiring only 3.6 PSI of water pressure to start up. It is designed to run on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. It can be used in a variety of scenarios, from washing your pets or horses to cleaning your vehicle or even in your tiny home, greenhouse, or cabin house.
The GASLAND BS318 Tankless Water Heater is safe to use, with CSA certification and adherence to Canadian and US Standards. It features a range of safety features, including over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection, and a flame failure device.
For added peace of mind, this unit comes with a 1-year Warranty against manufacture defects and lifetime customer support. The package includes GASLAND BS318 Tankless Water Heater, CSA certified gas regulator and hose, 5 feet On/Off Switch Shower Head, mounting hardware, garden hose adapter, and Manual.
To ensure safety and proper operation, it is important to follow the instructions provided in the manual. To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. Always check for gas leakage before operation. The GASLAND BS318 Tankless Water Heater is designed for portable outdoor use and is splash-proof. However, prolonged exposure to rain or water will damage the internal components. It is recommended to use and store the water heater in a dry place. For the winter, please drain out the water by disconnecting the drain plug and store it in a warm and dry area.
2. Rinnai V53den Tankless Hot Water Heater, 5.3 Gpm, Natural Gas, Outdoor Installation
Looking for a reliable and efficient water heating solution for your home? Look no further than this endless hot water system. With the ability to provide unlimited hot water flow throughout your house, you'll never have to worry about running out of hot water again.
This system features a compact and durable design that is easy to install, though professional installation is recommended for optimal performance. Its space-saving design conserves energy by only heating water when necessary, making it an energy-efficient choice for your home.
With a high-performance rate of up to 5.3 gallons per minute, this system provides a powerful and constant stream of hot water for all your household needs. Plus, its enhanced scale detection helps to lessen the possibility of serious, long-term damage to the unit.
Rest assured that this system is built to last, with a 10-year factory warranty for the heat exchanger, a 5-year warranty for labor, and a 1-year warranty for parts. So why wait? Invest in this endless hot water system today and enjoy the convenience and comfort of unlimited hot water in your home.
3. 8l Kitchen Electric Water Heater – Hot And Huge!
Introducing the Lightweight Electric Water Heater – the perfect combination of inner quality and classical appearance. This water heater is designed to cater to the multiple demands of different families, making it an ideal solution for those who face difficulties in hot water supply for various purposes such as face washing, bathing, vegetable washing, and dish washing.
The product is made of green environmental material, which is qualified for international standards, ensuring that it is both safe and eco-friendly. It is a directly heating type with a high-efficiency and low-power heating tube, which maximizes thermal energy. The temperature can be adjusted between 55℃-75℃, and the power will automatically shut off when the set temperature is achieved.
This water heater is versatile and can be installed in the kitchen, restrooms, bathrooms, or any other place one desires. It is characterized by its small area, strong applicability, and convenient installation. With a total power of 1500w, it has multiple installation methods and is suitable for different water pressures in different areas. It is especially beneficial for families located on higher floors with low water pressure.
4. Rinkmo 18kw Electric Water Heater: On-Demand Comfort.
Looking for an efficient and safe water heating solution? Look no further than the RINKMO 18KW tankless water heater.
This powerful unit requires 2 x 40 AMP breakers and 2 x 8 AWG wire, with a water flow rate of 0.4GPM/1.5L/min. Unlike traditional storage tank heaters, this tankless water heater technology instantly supplies hot water on demand, providing endless hot water for your lifestyle needs.
Not only will the RINKMO tankless water heater provide you with instant hot water, but it is also designed to be highly efficient, saving you both time and money. By heating water only when it's needed, there's no need to preheat, saving up to 40% energy.
Safety is a top priority, especially when living with babies. That's why the RINKMO tankless water heater features 10 times safe protections, including inner water and electricity lines separate technology that prevents rust and scale buildup inside the tank. You can always expect fresh, clean water that's heated on demand.
The RINKMO tankless water heater is also designed to be intelligent and efficient, thanks to its smart modulating technology and sensor that calculates the difference between the desired temperature and current temperature. It adjusts the power input based on flow rate and temperature setting in real-time by our temp and flow sensors.
Despite its powerful performance, the RINKMO tankless water heater is small and mighty, with a suitcase-sized design that fits in many spaces, freeing up more usable living area in your home. It's also easy to install and operate, with a simple button to switch between Fahrenheit and Celsius temperature settings.
5. Rheem 72-40-2 240v / 4500w 40 Gallon Electric Water Heater
The Rheemglas lined tank is a top-quality product that promises durability and longevity. It is designed to withstand harsh environments and resist corrosion thanks to its sturdy construction. The R-Foam insulation ensures maximum heat retention, keeping your water warm for longer periods while saving energy.
The anode rod is a critical element that safeguards the tank against corrosion. It is specially designed to attract and corrode any harmful minerals and impurities in the water, thus preventing the tank from rusting. The automatic temperature control thermostat is another feature that makes this product stand out. It is easy to use and maintain, allowing you to set your desired temperature with ease.
The direct immersion heating element is a powerful feature that provides fast and efficient heating. It heats water quickly, ensuring that you don't have to wait long for hot water. The heating element is also easy to replace, making maintenance a breeze.
6. Instant Hot Water Tank For Kitchen Sink
Looking for an instant and reliable source of hot water? Look no further than the Point of Use 6.5 Gallons Mini Tank Water Heater. With a fast recovery time and thermal efficiency of up to 99%, you can enjoy hot water whenever you need it without any waiting.
The compact design of this mini tank water heater, measuring 17.7" x 17.7" x 14.6", makes it easy to install under your sink or counter, and it can even be wall-mounted. Plus, the upgraded plugin makes it even easier to use.
The thermostat offers three adjustable temperature levels, ranging from 50°F to 149°F, and is equipped with high-temperature limit protection as well as a freeze mode to prevent the tank from freezing. The glass-lined tank provides excellent insulation, and a temperature and pressure relief valve is included for added safety.
This mini tank water heater is UL Listed, ensuring a long service life, and comes with a 3-year limited warranty for the tank and a 1-year warranty for parts. Additionally, 24-hour customer service is available to assist you with any product issues.
With water connections of 1/2" NPT and electrical requirements of 1.44 kW at 120 volts, this mini tank water heater has a nominal current of 12A and a maximum water pressure of 150 PSI.
Invest in the Point of Use 6.5 Gallons Mini Tank Water Heater for instant hot water and peace of mind.
7. Ecosmart Tankless Water Heater – Self Modulating Technology
The ECOSMART tankless water heater is a highly durable and easy-to-use product that is manufactured in China. With its 75 amps of power and activation flow of 0.3 GPM, this water heater delivers a flow rate of 3.51 gallons per minute at a 35-degree Fahrenheit rise. It is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire, making installation a breeze.
One of the most impressive features of this product is its lifetime warranty for residential use. With this warranty, customers can have peace of mind knowing that their investment is protected.
In addition to its durability and easy installation, this tankless water heater is also energy-efficient. By utilizing advanced self-modulating technology, users can save up to 60% on their water heating costs. This also means that customers will never run out of hot water, as the system is designed to provide hot water on demand.
Another great benefit of this product is its compact size. By eliminating the need for a bulky storage tank, customers can save up to 12 cubic feet of storage space.
Finally, users have complete control over the temperature of their hot water thanks to the digital temperature control feature. This feature allows for temperature adjustments in one-degree increments, ensuring that users always have the perfect temperature for their needs.
8. Thermomate Electric Tankless Water Heater – Endless Hot Water
Looking for an instant and unlimited hot water source that can eliminate waiting time and ensure that you never run out of hot water? Look no further than this on-demand tankless electric water heater. With a flow rate of 5.27GPM at a 35°F rise, this unit provides hot water in just 3 seconds and for as long as you need it.
To achieve 240V, this water heater requires 3 sets of double-pole 40AMP breakers. But once installed, it uses self-modulating technology to regulate the amount of energy required to heat water only when you need it, resulting in 99.8% efficiency and up to 60% savings on water heating costs compared to traditional tank water heaters.
The wall-mounted compact size of this unit, with no water tank, makes it convenient for any space and saves floor space while fitting into tight spaces. Plus, with auto-adjusting energy consumption based on incoming water temperature and flow, you can expect continuous stable temperature and optimal power usage.
This water heater also has a digital temperature display, allowing for temperature adjustment in 1° increments from 80°F to 140°F. The heating element is separated from the water tube, significantly reducing scale, corrosion, and mineral buildup, achieving better performance and low maintenance.
Installation is easy, and the unit is ETL certified with overheating protection and auto-stop heating when detecting no water. Quality workmanship also ensures leakage protection. It's important to note that the unit's parameters include a draw max of 114Amp at 27kW and a wire gauge of 3 x 8AWG. The unit size is 17.12" x 13.12" x 3.12", and the water connection is 3/4" NPT.
This water heater comes with a 2-year limited warranty and 24/7 customer support services. It's important to make sure that this water heater is the correct size for your hot water needs. With its impressive features and capabilities, this on-demand tankless electric water heater is a reliable and efficient solution for all your hot water needs.
9. Rheem Prestige High Efficiency 9.5gpm Indoor Natural Gas Tankless Water Heater
Introducing the perfect solution for those who want instant hot water without the wait and the waste – the compact and efficient hot water tankless system. This innovative product is designed to provide you with high efficiency and water savings settings, making it the ideal choice for anyone looking to save on their energy bills.
One of the key benefits of this tankless system is its low operating cost. Thanks to its high energy efficiency, you can enjoy hot water without worrying about skyrocketing utility bills. Moreover, its water and gas leak detection feature ensures safety and minimizes the risk of accidents. In the event of a leak, the system will shut down automatically and provide an error code for easy diagnosis.
The compact design of this unit makes it a perfect space-saving solution for those who want to replace their bulky and outdated water tanks. It can be easily installed in small spaces, making it ideal for apartments, condos, and small homes. With its sleek and modern design, it will blend perfectly with any decor.
It's important to note that this tankless system is designed for indoor use only. It is specifically designed to cater to your hot water needs, providing you with instant hot water whenever you need it. Whether it's for your kitchen sink or your shower, this tankless system has got you covered.
10. Rinnai Ru199in Condensing Tankless Hot Water Heater, 11 Gpm, Natural Gas, Indoor Installation
The Endless Hot Water system is a reliable and efficient way to enjoy hot water throughout your house. With its compact and durable design, this product is easy to install and delivers an unlimited flow of hot water. While professional installation is recommended, the system is user-friendly and can be set up quickly.
This product is not only energy-efficient but also space-saving. Its innovative design heats water only when necessary, saving you money on your energy bill. With its up to 11 GPM hot water flow rate, the Endless Hot Water system provides a powerful and constant stream of water, ensuring optimal water pressure in all areas of your home.
Thanks to its Circ-Logic technology, the Endless Hot Water system is equipped for instant heating. By pairing it with an external pump, you can reduce the wait time for hot water via scheduled or on-demand recirculation. This feature ensures that you never have to worry about running out of hot water again.
The Endless Hot Water system is built to last with a guarantee of 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. This gives you the peace of mind that your investment is protected. Additionally, the product comes with Wifi monitoring, allowing you to keep an eye on your system's performance and troubleshoot any issues remotely.
Best 40 Gal Water Heater FAQs
Are there any safety concerns to consider with a 40 gallon water heater?
Yes, there are some safety concerns to consider with a 40 gallon water heater. One of the main concerns is the risk of scalding if the temperature is set too high. It is recommended to set the temperature to no higher than 120 degrees Fahrenheit to prevent burns. Another safety concern is the risk of carbon monoxide poisoning if the water heater is not properly vented. It is important to have the water heater inspected regularly by a professional to ensure proper ventilation and prevent any leaks. Additionally, it is important to make sure the water heater is securely fastened to prevent any risk of it tipping over. It is also recommended to install a temperature and pressure relief valve to prevent any potential explosions. Overall, proper installation, maintenance, and monitoring are key to ensuring the safety of a 40 gallon water heater.
How do I properly maintain and care for my 40 gallon water heater?
Proper maintenance of your 40 gallon water heater is essential if you want it to perform optimally and last for a long time. Here are some tips on how to care for your water heater:
1. Conduct regular inspections: You should inspect your water heater at least once a year. Look for any signs of corrosion, leaks, or damage to the tank or pipes.
2. Drain the tank: Sediment can accumulate at the bottom of the tank over time, reducing its efficiency. Drain the tank every six months to remove the sediment.
3. Test the pressure relief valve: The pressure relief valve helps prevent the tank from bursting. Test it once a year to ensure it's working correctly.
4. Adjust the temperature: The recommended temperature for a water heater is 120 degrees Fahrenheit. Adjust the temperature if necessary to prevent scalding and save energy.
5. Replace the anode rod: The anode rod helps prevent corrosion in the tank. Replace it every 5 years.
6. Hire a professional: If you're not comfortable performing maintenance tasks on your water heater, hire a professional plumber to do it for you.
By following these tips, you can extend the life of your 40 gallon water heater and ensure it operates efficiently.
How much does a high-quality 40 gallon water heater cost?
The cost of a high-quality 40 gallon water heater can vary depending on the brand, features, and installation fees. On average, a top-performing 40 gallon gas water heater can cost between $500 to $900. Electric models tend to be slightly more expensive, ranging from $600 to $1,200. However, it's important to note that investing in a high-quality water heater may save you money in the long run with increased energy efficiency and fewer repair costs. It's also recommended to factor in the installation fees which can vary depending on the complexity of the installation and location. Professional installation is crucial to ensure safety and proper functioning of the water heater. It's always a good idea to research and compare different brands and models to make an informed decision and ensure that you get the best value for your money.
Should I choose a gas or electric 40 gallon water heater?
When it comes to selecting a water heater for your home, there are two main options to choose from: gas or electric. Both types of water heaters have their own set of advantages and disadvantages, so it's important to consider your individual needs and circumstances before making a decision.
Gas water heaters tend to be more energy efficient and cost-effective in the long run, as they use natural gas or propane to heat the water. They also tend to have a faster recovery time, meaning they can heat up a new tank of water more quickly than an electric water heater.
On the other hand, electric water heaters are generally less expensive upfront and easier to install, as they don't require any gas lines or venting. They also tend to be more compact, making them a good option for smaller homes or apartments.
Ultimately, the decision between a gas or electric 40 gallon water heater will depend on your individual needs, budget, and preferences. It's important to weigh the pros and cons of each option carefully before making a decision.
What are some common problems to watch out for with a 40 gallon water heater?
A 40-gallon water heater is a popular size for homes and apartments, but it can also have its fair share of problems. One common issue is a lack of hot water or inconsistent water temperature. This can be caused by a faulty thermostat, a buildup of sediment in the tank, or a malfunctioning heating element. Another issue to watch out for is leaking, which can be caused by a damaged tank or a faulty valve. Overheating is also a concern with water heaters, as it can lead to potentially dangerous situations such as scalding or even explosions. Regular maintenance, such as flushing the tank to remove sediment and checking the pressure relief valve, can help prevent these issues. If you notice any problems with your 40-gallon water heater, it's important to address them promptly to avoid further damage and ensure the safety of your home.
What are the key features to look for in a 40 gallon water heater?
When looking for a 40 gallon water heater, there are several key features to consider. Firstly, you will want to ensure that the heater has a high energy efficiency rating, as this will help keep your energy bills low. Look for heaters with an Energy Star rating or high Uniform Energy Factor (UEF) rating.
Secondly, consider the type of fuel that the heater uses. Electric heaters are typically more efficient, but gas heaters can be more affordable to operate if you have access to natural gas.
Another important feature is the recovery rate, which is the amount of time it takes for the heater to heat up a full tank of water. A higher recovery rate means that the heater will be able to supply hot water more quickly.
You should also consider the size and weight of the heater, as well as the warranty offered by the manufacturer. Look for a model that is easy to install and maintain, with easily accessible controls and a durable tank.
Overall, when choosing a 40 gallon water heater, it is important to prioritize energy efficiency, fuel type, recovery rate, size and weight, and warranty.
What are the most reliable brands for 40 gallon water heaters?
When it comes to choosing a reliable brand for a 40 gallon water heater, there are a few options to consider. One of the most well-known brands in the industry is Rheem, which offers a range of high-quality water heaters that come with a variety of features and benefits. Another reliable option is Bradford White, which has been producing water heaters for over 130 years and is known for their durable and long-lasting products. Other brands to consider include AO Smith, American Standard, and Whirlpool, all of which offer reliable and efficient 40 gallon water heaters. Ultimately, the best brand for you will depend on your specific needs and budget, so it's important to do your research and compare features and prices to find the right water heater for your home.
What is the average lifespan of a 40 gallon water heater?
The average lifespan of a 40 gallon water heater can vary depending on several factors such as the type of water heater, the quality of installation, the level of maintenance, and the water quality in the area. Generally speaking, a 40 gallon water heater can last anywhere from 8 to 12 years. However, some water heaters may fail earlier due to factors such as hard water, sediment buildup, or improper installation.
To extend the lifespan of a 40 gallon water heater, it is important to perform regular maintenance such as flushing the tank to remove sediment, checking the pressure relief valve, and inspecting the anode rod. It is also recommended to have a professional plumber install the water heater to ensure proper installation and prevent issues down the line.
If you are experiencing issues with your 40 gallon water heater such as leaks or lack of hot water, it may be time to consider replacement. It is important to consult with a professional plumber to determine the best course of action for your specific situation.
What is the energy efficiency rating of the best 40 gallon water heaters?
The energy efficiency rating of the best 40 gallon water heaters can vary depending on the model and brand. However, the most energy-efficient 40 gallon water heaters typically have an Energy Factor (EF) rating of 0.67 or higher. Energy Factor is a measure of a water heater's overall energy efficiency, including how well it retains heat and how efficiently it transfers heat to the water.
Some of the top-rated 40 gallon water heaters in terms of energy efficiency include models from Rheem, Bradford White, and AO Smith. These water heaters feature advanced technologies such as condensing gas burners, heat pump systems, and high-quality insulation materials to reduce energy consumption and lower utility bills.
It's important to note that the energy efficiency rating of a water heater is not the only factor to consider when selecting a model. Other important factors include the size and capacity of the unit, the type of fuel it uses, and the overall quality and reliability of the manufacturer.
What is the process for installing a 40 gallon water heater?
Installing a 40 gallon water heater requires careful planning and execution to ensure proper functioning and safety. The process typically involves the following steps:
1. Turn off the power and water supply – Before beginning the installation, make sure to turn off the power and water supply to the existing water heater.
2. Drain the old water heater – Drain the old water heater and remove it from its position.
3. Prepare the installation area – Ensure that the new water heater fits in the installation area and that the area is clear of any obstruction.
4. Install the new water heater – Install the new water heater and connect it to the water supply and power source.
5. Test the water heater – Once the installation is complete, test the water heater to ensure that it is functioning properly.
6. Dispose of the old water heater – Dispose of the old water heater in accordance with local regulations.
It is important to follow all manufacturer instructions and local building codes during the installation process. If you are unsure about any aspect of the installation, it is best to consult a professional plumber.
