Are you tired of high energy bills and running out of hot water in the middle of a shower? It's time to upgrade to a tankless water heater. Not only does it provide hot water on demand, but it also saves energy and frees up valuable space in your home. Today, we'll help you find the best whole house gas tankless water heater that meets your needs and ensures a consistent supply of hot water for your family.
When it comes to choosing a tankless water heater, there are several factors to consider. The fuel type, size, and capacity should align with your household's hot water demands. Additionally, temperature control and modulating burners are essential for optimal performance. We have thoroughly researched and identified the top-rated tankless water heaters in various categories, so you can make an informed decision.
Key Takeaways:
- Investing in a tankless water heater improves energy efficiency and reduces energy bills.
- Gas tankless water heaters are the best choice for medium to large-size families.
- Consider the fuel type, size, and capacity when choosing a tankless water heater.
- Our top picks include the Stiebel Eltron Electric Tankless Water Heater for overall performance, the Rinnai Indoor Gas Tankless Hot Water Heater for high capacity, and the Rinnai Outdoor Gas Tankless Hot Water Heater for propane-powered options.
- The EcoSmart ECO 18 Electric Tankless Water Heater is the most energy-efficient choice, while the EcoSmart ECO 11 Electric Tankless Water Heater is ideal for small households.
Factors to Consider When Choosing a Tankless Water Heater
When it comes to choosing a tankless water heater for your home, there are several factors to consider to ensure you make the right decision. Here are some key considerations to keep in mind:
1. Energy Efficiency:
Investing in an energy-efficient tankless water heater can help you save on energy costs in the long run. Look for models that are ENERGY STAR certified and have a high energy efficiency rating. These units are designed to minimize energy wastage and provide optimal performance.
2. High Capacity:
If you have a large household or multiple bathrooms, a high-capacity tankless water heater is essential to meet your hot water demands. Consider the flow rate of the unit, measured in gallons per minute (GPM), to ensure it can supply enough hot water for simultaneous use.
3. Cost-Effectiveness:
While tankless water heaters may have a higher upfront cost compared to traditional tank-style heaters, they can provide long-term savings. Look for models that offer a good balance between price and performance, taking into account factors such as initial investment, energy savings, and maintenance costs.
"Choosing an energy-efficient and high-capacity tankless water heater can provide long-term cost savings while meeting your hot water needs."
By considering these factors, you can narrow down your options and choose a tankless water heater that fits your specific requirements. Remember to consult with a professional for proper installation and maintenance to ensure optimal performance and longevity of the unit.
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Best Overall Gas Tankless Water Heater
The Stiebel Eltron Electric Tankless Water Heater takes the top spot as the best overall gas tankless water heater. With its impressive flow rate and limited lifetime warranty, this model offers both reliability and efficiency. It is suitable for most households, providing hot water on demand without the need for a storage tank. The Stiebel Eltron Electric Tankless Water Heater is an excellent choice for those looking to save space and reduce energy consumption.
This gas tankless water heater is designed to meet the hot water needs of medium to large-size families. Its high heat output ensures a consistent supply of hot water, even during peak usage times. With its compact and wall-mountable design, it is an excellent space-saving solution for any home. The Stiebel Eltron Electric Tankless Water Heater is also built to last, backed by a limited lifetime warranty for added peace of mind.
The Stiebel Eltron Electric Tankless Water Heater is a powerful and efficient option for homeowners seeking a reliable source of hot water. Its advanced technology and durable construction make it a top choice in the market. With its high flow rate and energy-saving features, it provides a consistent supply of hot water while reducing energy costs. Whether you have a large family or simply want the convenience of on-demand hot water, this gas tankless water heater is an excellent investment.
Specifications
Feature Details Flow Rate Up to 9 GPM Power Source Gas Warranty Limited lifetime Size Compact and wall-mountable Energy Efficiency ENERGY STAR certified
Best High Capacity Gas Tankless Water Heater
When it comes to meeting the hot water demands of medium to large-size households, the Rinnai Indoor Gas Tankless Hot Water Heater stands out as the best high capacity gas tankless water heater. With a remarkable flow rate of 7.5 gallons per minute (GPM), this powerful unit can provide hot water to multiple appliances simultaneously without any compromise in performance.
Equipped with cutting-edge technology, the Rinnai Indoor Gas Tankless Hot Water Heater ensures a consistent and continuous supply of hot water, allowing your family to enjoy long, hot showers and run multiple appliances at the same time. Its high capacity makes it an ideal choice for households with large families or homes that have high hot water demand.
This top-rated gas tankless water heater is designed to deliver hot water on demand, eliminating the need for a storage tank and reducing energy wastage. With its advanced features, including precise temperature control and exceptional durability, the Rinnai Indoor Gas Tankless Hot Water Heater offers long-term reliability and efficiency.
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Key Features:
- High flow rate of 7.5 GPM for simultaneous use
- Advanced temperature control for customized comfort
- Durable construction ensures long-lasting performance
- Compact design saves space and allows for flexible installation
- Energy-efficient operation reduces utility bills
Make the smart choice for your household's hot water needs and invest in the best high capacity gas tankless water heater. The Rinnai Indoor Gas Tankless Hot Water Heater offers exceptional performance, reliability, and efficiency to ensure that your family always has a reliable and abundant supply of hot water.
Best Propane-Powered Gas Tankless Water Heater
When it comes to choosing a gas tankless water heater that is both efficient and eco-friendly, the Rinnai Outdoor Gas Tankless Hot Water Heater stands out as our top pick. This powerful propane-powered unit is designed for outdoor installation, making it a versatile option for areas where natural gas may not be readily available. With its superior performance and energy-saving features, it offers a reliable and sustainable solution for heating water in your home.
The Rinnai Outdoor Gas Tankless Hot Water Heater boasts a high flow rate, ensuring that you have a constant supply of hot water to meet your household's needs. Its durable construction and advanced technology make it a long-lasting choice, saving you both time and money on repairs and replacements. Additionally, this unit is equipped with eco-friendly features that reduce energy consumption and minimize your carbon footprint.
"The Rinnai Outdoor Gas Tankless Hot Water Heater is a game-changer for homeowners looking for a propane-powered option. Its outdoor installation and energy-efficient design make it an excellent choice for those seeking an eco-friendly solution. With its high flow rate and durable construction, this unit provides reliable hot water while reducing energy consumption."
With the Rinnai Outdoor Gas Tankless Hot Water Heater, you can enjoy the benefits of a tankless system without compromising on performance or sustainability. Its compact size and outdoor installation make it an ideal choice for homeowners looking to maximize their space while minimizing energy waste. Whether you're upgrading your current water heating system or building a new home, this propane-powered gas tankless water heater offers a reliable and eco-friendly solution.
Features Specifications Eco-friendly Design Reduces energy consumption and environmental impact Propane-Powered Perfect for areas without natural gas access Outdoor Installation Maximizes space and convenience High Flow Rate Provides a constant supply of hot water Durable Construction Long-lasting performance and reliability
Choosing the right gas tankless water heater for your home is essential for both comfort and efficiency. The Rinnai Outdoor Gas Tankless Hot Water Heater offers a propane-powered solution that is not only eco-friendly but also delivers on performance and durability. With its high flow rate and outdoor installation, it's an excellent choice for homeowners wanting a reliable and sustainable way to heat their water.
Most Energy Efficient Gas Tankless Water Heater
When it comes to choosing a gas tankless water heater, energy efficiency is a crucial factor to consider. The EcoSmart ECO 18 Electric Tankless Water Heater stands out as our top pick for the most energy efficient gas tankless water heater. With its innovative design and advanced technology, this water heater can help you save up to 60% on water-heating costs.
The EcoSmart ECO 18 is equipped with self-modulating technology, which ensures that the heater only uses the necessary amount of energy to heat the water to the desired temperature. This feature not only conserves energy but also provides consistent hot water flow without any temperature fluctuations. Additionally, the point-of-use installation option minimizes the time it takes for hot water to reach your faucets, further reducing energy waste.
With its compact size and digital temperature control, the EcoSmart ECO 18 offers convenience and versatility. It is suitable for both residential and commercial applications and can provide hot water for multiple fixtures simultaneously. The durable and long-lasting design ensures that you can enjoy energy-efficient hot water for years to come.
Features Benefits Self-modulating technology Maximizes energy efficiency by only using the necessary amount of energy Point-of-use installation Minimizes water and energy waste by reducing the time it takes for hot water to reach faucets Digital temperature control Allows for precise temperature adjustments and avoids temperature fluctuations Compact size Saves valuable space and offers flexibility in installation options Durable design Ensures long-lasting performance and reliability
“The EcoSmart ECO 18 Electric Tankless Water Heater is a game-changer when it comes to energy efficiency. Its self-modulating technology and point-of-use installation option make it a highly efficient and eco-friendly choice. With this water heater, you can enjoy consistent hot water while saving both energy and money.”
Best Gas Tankless Water Heater for Small Households
If you have a small household and are looking for the best gas tankless water heater, look no further than the EcoSmart ECO 11 Electric Tankless Water Heater. With its compact design and precise temperature control, it is perfectly suited for homes with one or two people.
Despite its small size, this gas tankless water heater offers consistent performance and can provide a flow rate of up to 2 gallons per minute (GPM). Whether you need hot water for a single shower or a small sink, the EcoSmart ECO 11 has you covered.
"The EcoSmart ECO 11 Electric Tankless Water Heater is our top pick for the best gas tankless water heater for small households."
Key Features of the EcoSmart ECO 11 Electric Tankless Water Heater:
- Compact design - Fits easily in tight spaces, perfect for small homes
- Precise temperature control - Allows you to set the water temperature to your desired level
- Energy efficient - Only heats water when it is needed, reducing energy consumption
- Easy installation - Comes with detailed instructions and can be installed by a professional or a skilled DIYer
- Durable construction - Made with high-quality materials for long-lasting performance
When choosing the best gas tankless water heater for your small household, it's important to consider your hot water needs and the available space in your home. The EcoSmart ECO 11 Electric Tankless Water Heater offers the perfect balance of efficiency, performance, and compactness, making it the ideal choice for small households.
Comparison of Gas Tankless Water Heaters for Small Households EcoSmart ECO 11 Competitor A Competitor B Flow Rate (GPM) 2 1.5 1.8 Dimensions (inches) 11.5 x 8 x 3.75 12 x 9 x 4 10 x 6 x 3.5 Precise Temperature Control Yes No No Energy Efficiency High Medium Low Installation Ease Easy Moderate Difficult
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Best Value Gas Tankless Water Heater
When it comes to choosing a gas tankless water heater, finding the right balance between performance and affordability is key. That's why we have selected the Rheem Tankless Electric Water Heater as our top pick for the best value gas tankless water heater. This unit provides hot water on demand, ensuring you never run out, while also being cost-effective and energy-efficient.
With its compact design and no need for venting, the Rheem Tankless Electric Water Heater is easy to install and can fit in tight spaces. It runs on electricity, so you don't have to worry about gas lines, making it a versatile option for any home. Plus, it offers precise temperature control, allowing you to customize your hot water experience.
What makes the Rheem Tankless Electric Water Heater even more appealing is its low electricity consumption. By only heating water when needed, it helps reduce energy waste and lower your utility bills. Its value-driven features and affordable price point make it an excellent choice for households looking for a reliable and cost-effective gas tankless water heater.
Features Benefits No venting required Easy installation in various locations Precise temperature control Customize your hot water experience Low electricity consumption Reduced energy waste and lower utility bills
With the Rheem Tankless Electric Water Heater, you can enjoy the convenience of hot water on demand without breaking the bank. Its value-driven features, energy efficiency, and affordable price make it the best choice for those seeking a cost-effective gas tankless water heater that doesn't compromise on performance.
Other Considerations for Choosing a Gas Tankless Water Heater
When choosing a gas tankless water heater for your home, there are a few additional factors to consider beyond just the brand and model. Two important considerations are the durability of the unit and its eco-friendliness. Let's take a closer look at these factors:
Durable Tankless Water Heater
Investing in a durable tankless water heater is essential to ensure its longevity and reliability. Look for models that are made from high-quality materials and have a solid construction. Stainless steel heat exchangers, for example, are known for their durability and resistance to corrosion. Additionally, consider the warranty offered by the manufacturer. A longer warranty period indicates that the company has confidence in the durability of their product.
Eco-Friendly Tankless Water Heater
Choosing an eco-friendly tankless water heater not only reduces your carbon footprint but also saves you money in the long run. Look for models that have energy-saving features such as modulating burners, which adjust the water flow and gas consumption based on demand. This ensures that the heater operates at its most efficient level, saving energy and reducing utility bills. Additionally, look for units that have low NOx emissions, as they are more environmentally friendly.
By considering the durability and eco-friendliness of a gas tankless water heater, you can make a more informed decision and choose a unit that not only meets your hot water needs but also contributes to a more sustainable future.
Factors to Consider Durable Tankless Water Heater Eco-Friendly Tankless Water Heater Construction High-quality materials and solid construction Low NOx emissions Heat Exchanger Stainless steel for durability and corrosion resistance Energy-saving features such as modulating burners Warranty Longer warranty period indicates confidence in durability Reduced energy consumption for cost savings
How Tankless Water Heaters Work
Tankless water heaters are a modern and efficient solution for providing hot water on demand. Unlike traditional water heaters that store and heat a large amount of water in a tank, tankless water heaters heat water as it passes through the unit, providing hot water instantly whenever you need it.
When you turn on a hot water tap or appliance, cold water flows into the tankless water heater. The unit then activates its heating elements, whether they are gas burners or electric coils, to quickly heat the water to the desired temperature. This process allows for a continuous supply of hot water without the need for a storage tank.
One key advantage of tankless water heaters is their energy efficiency. Traditional water heaters constantly heat and reheat water in the tank, even when it's not in use, resulting in wasted energy. Tankless water heaters, on the other hand, only heat water when it is needed, reducing energy consumption and lowering utility bills.
Another benefit of tankless water heaters is their space-saving design. Without the need for a bulky storage tank, these units can be mounted on a wall or installed in tight spaces, freeing up valuable floor space in your home.
Overall, tankless water heaters offer convenience, energy efficiency, and space-saving benefits. With their ability to provide hot water on demand, they are a great option for households looking to upgrade their water heating systems.
Benefits of Using a Tankless Water Heater
Tankless water heaters offer numerous benefits that make them a popular choice for homeowners looking to upgrade their hot water systems. Here are some key advantages:
1. Energy Efficiency:
Tankless water heaters are highly energy efficient compared to traditional tank-style water heaters. They only heat water as it is needed, eliminating the standby heat loss that occurs with storage tanks. This can result in significant energy savings and lower utility bills over time.
2. Cost Savings:
While tankless water heaters may have a higher upfront cost compared to traditional models, their long-term cost savings justify the investment. With their energy efficiency and on-demand hot water delivery, homeowners can save money on energy bills and avoid the cost of constantly heating and reheating water in a storage tank.
3. Space-Saving Design:
Tankless water heaters are compact and can be wall-mounted, which frees up valuable floor space in your home. This is especially beneficial for small residences or homes with limited utility room space.
4. Continuous Hot Water:
With a tankless water heater, you'll never run out of hot water again. These systems provide a continuous supply of hot water on demand, so you can enjoy long showers or run multiple appliances simultaneously without worrying about a cold water shock.
In summary, tankless water heaters offer significant advantages, including energy efficiency, cost savings, space-saving design, and continuous hot water. By upgrading to a tankless system, you can enjoy the convenience of hot water on demand while reducing your environmental impact and saving money in the long run.
Installation and Maintenance of a Tankless Water Heater
Proper installation and maintenance are crucial for ensuring the optimal performance and longevity of a tankless water heater. Here are some key considerations when it comes to installation and maintenance:
Installation:
- Hiring a professional: It is recommended to consult with a licensed plumber or HVAC technician for the installation of your tankless water heater. They have the expertise and knowledge to ensure that the unit is properly installed and connected to the gas and water lines.
- Location: Choose a suitable location for your tankless water heater. It should be installed in a well-ventilated area with easy access for maintenance. Keep in mind that the unit will require proper ventilation to operate efficiently.
- Ventilation: Gas tankless water heaters produce combustion gases that need to be vented outside. Determine the appropriate venting method based on the manufacturer's guidelines and local building codes.
- Water supply: Ensure that your home's water supply is adequate for the tankless water heater. It should have the required pressure and flow rate to meet your hot water needs.
Maintenance:
- Regular flushing: Tankless water heaters accumulate mineral deposits over time, which can affect performance. Flushing the unit regularly helps remove these deposits and maintain its efficiency. Follow the manufacturer's instructions for flushing or consult a professional.
- Filter cleaning: Some tankless water heaters have filters that need to be cleaned periodically. Check the manufacturer's guidelines for instructions on how to clean and maintain the filter.
- Inspection: Schedule regular inspections by a professional to ensure that all components of your tankless water heater are functioning properly. They can check for any leaks, gas pressure issues, or signs of wear and tear.
- Annual maintenance: Consider scheduling an annual maintenance service for your tankless water heater. A professional can perform a thorough inspection, clean the unit, and make any necessary adjustments or repairs.
By following proper installation and maintenance practices, you can maximize the performance and lifespan of your tankless water heater, ensuring reliable hot water supply for years to come.
Tips for Choosing the Right Tankless Water Heater for Your Home
When it comes to selecting the right tankless water heater for your home, there are several factors to consider. From your hot water needs to the number of fixtures you need to supply simultaneously, making an informed decision is crucial. Here, we provide you with a guide to help you choose the perfect tankless water heater that suits your household requirements.
1. Determine Your Hot Water Needs
The first step in selecting a tankless water heater is to determine your hot water needs. Consider the number of people in your household and their daily hot water usage. This will help you determine the flow rate and capacity required to ensure an uninterrupted supply of hot water. It's important to choose a unit that can meet the demands of your household without compromising on performance.
2. Consider the Number of Fixtures
If you have multiple fixtures that require hot water at the same time, such as showers, sinks, and appliances, you'll need a high capacity tankless water heater. Look for units that can provide a consistent flow of hot water to multiple fixtures simultaneously. This will help avoid any issues with insufficient hot water supply, ensuring everyone in your household can enjoy a comfortable experience.
3. Set a Budget
Setting a budget is an important factor when choosing a tankless water heater. Consider the upfront cost of the unit, as well as any additional costs for installation and maintenance. While some high-capacity models may come with a higher price tag, they may also provide long-term energy savings. Balancing your budget with the efficiency and performance of the unit will help you make the best choice.
4. Look for Features
When selecting a tankless water heater, consider the features that are important to you. Some units offer advanced temperature control options, allowing you to set your desired water temperature precisely. Others may have energy-saving modes or eco-friendly certifications, making them a more sustainable choice. Evaluate the features that align with your preferences and prioritize them when making your decision.
By considering your hot water needs, the number of fixtures, your budget, and the desired features, you can confidently choose the right tankless water heater for your home. Remember to consult with a professional for installation to ensure optimal performance and efficiency. With the perfect tankless water heater, you can enjoy continuous hot water while reducing energy consumption and saving on utility bills.
Common Misconceptions About Tankless Water Heaters
When it comes to tankless water heaters, there are some common misconceptions that often arise. However, understanding the facts can help debunk these misconceptions and provide a clearer picture of the benefits and capabilities of tankless water heaters.
Myth: Tankless water heaters have limited hot water supply.
Fact: One of the most common misconceptions about tankless water heaters is that they have a limited hot water supply. This is not true. Tankless water heaters provide hot water on demand, heating the water as it passes through the unit. With the right size and capacity, tankless water heaters can meet the hot water needs of an entire household, providing a continuous flow of hot water to multiple fixtures simultaneously.
Myth: Tankless water heaters have a high upfront cost.
Fact: Another misconception is that tankless water heaters are expensive to install compared to traditional tank-style water heaters. While it is true that tankless water heaters may have a higher upfront cost, they offer long-term savings through improved energy efficiency and reduced energy bills. Additionally, tankless water heaters have a longer lifespan than traditional water heaters, making them a worthwhile investment in the long run.
"Tankless water heaters provide hot water on demand, heating the water as it passes through the unit."
Myth: Tankless water heaters require extensive maintenance.
Fact: Some people believe that tankless water heaters require frequent and extensive maintenance. However, the reality is that tankless water heaters typically require less maintenance compared to tank-style water heaters. They do not have a storage tank that needs to be drained or flushed regularly. Periodic maintenance, such as checking for scale buildup and ensuring proper ventilation, is usually sufficient to keep a tankless water heater running smoothly.
Myth Fact Tankless water heaters have limited hot water supply. Tankless water heaters provide hot water on demand and can meet the hot water needs of an entire household. Tankless water heaters have a high upfront cost. While the upfront cost may be higher, tankless water heaters offer long-term savings through improved energy efficiency. Tankless water heaters require extensive maintenance. Tankless water heaters typically require less maintenance compared to tank-style water heaters.
It is important to separate fact from fiction when it comes to tankless water heaters. By understanding the misconceptions and the realities of these appliances, homeowners can make informed decisions about whether a tankless water heater is the right choice for their needs.
Pros and Cons of Tankless Water Heaters
Tankless water heaters offer several advantages and disadvantages. It is essential to consider these factors when deciding whether a tankless water heater is the right choice for your home. Let's explore the pros and cons below:
Advantages of Tankless Water Heaters
- Energy Efficiency: Tankless water heaters are highly energy-efficient as they only heat water when it's needed. This eliminates the standby heat loss associated with traditional tank-style heaters, resulting in lower energy bills.
- Continuous Hot Water: Unlike traditional water heaters that can run out of hot water, tankless models provide a continuous supply of hot water on demand. This is especially beneficial for larger households or homes with high hot water usage.
- Space-Saving Design: Tankless water heaters are compact and wall-mounted, freeing up valuable space in your home. They are ideal for small homes or residences where space is limited.
Disadvantages of Tankless Water Heaters
- Higher Initial Cost: Tankless water heaters tend to have a higher upfront cost compared to traditional tank-style heaters. However, the long-term energy savings can offset the initial investment.
- Installation Complexity: Installing a tankless water heater may require modifications to your existing plumbing and electrical systems. It is recommended to hire a professional for proper installation to ensure safety and optimal performance.
- Limited Flow Rate: While tankless water heaters provide a continuous supply of hot water, they have a limited flow rate. This means they may struggle to meet the hot water demands of multiple appliances running simultaneously, such as showers and dishwashers.
