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Best Natural Gas Boilers For Home Heating (2024 Updated)

If you’re looking for an efficient and cost-effective way to heat your home, consider investing in natural gas boilers. These boilers are becoming increasingly popular among homeowners because of their lower operating costs and reduced environmental impact compared to traditional oil boilers.

Before making your decision, it’s important to consider several factors such as the size of your home, your heating needs, and your budget. You’ll also want to ensure that your home is equipped to handle a natural gas boiler and that local codes and regulations allow for its installation.

Are you tired of dealing with high heating bills every winter? Are you looking for a reliable heating solution that’s better for the environment? Do you want to save money on installation costs and ongoing maintenance? If so, natural gas boilers for home heating may be the answer you’ve been searching for. Read on to learn more about the benefits of natural gas boilers and how they can help you keep your home warm and comfortable all winter long.

10 Best Natural Gas Boilers For Home Heating

# Product Image Product Name Product Notes Check Price
1
The product is ideal for providing heat and hot water in residential or small commercial buildings that use natural gas.
2
This product is ideal for heating residential or commercial buildings using natural gas as a fuel source.
3
The product is ideal for indoor heating and providing hot water in residential or commercial spaces that use natural gas.
4
The product is ideal for providing heating through natural gas with a high BTU output.
5
The product is ideal for heating and supplying hot water to residential and commercial spaces.
6
The product is ideal for providing heat in indoor spaces using natural gas as fuel.
7
The product is ideal for heating water using natural gas and features low NOx emissions.
8
Ideal for supplying hot water in commercial settings with natural gas fuel source.
9
The product is ideal for supplying hot water in commercial settings that use natural gas as the energy source.
10
Ideal for commercial use as a natural gas hot water supply boiler.
The product is ideal for providing heat and hot water in residential or small commercial buildings that use natural gas.
This product is ideal for heating residential or commercial buildings using natural gas as a fuel source.
The product is ideal for indoor heating and providing hot water in residential or commercial spaces that use natural gas.
The product is ideal for providing heating through natural gas with a high BTU output.
The product is ideal for heating and supplying hot water to residential and commercial spaces.
The product is ideal for providing heat in indoor spaces using natural gas as fuel.
The product is ideal for heating water using natural gas and features low NOx emissions.
Ideal for supplying hot water in commercial settings with natural gas fuel source.
The product is ideal for supplying hot water in commercial settings that use natural gas as the energy source.
Ideal for commercial use as a natural gas hot water supply boiler.

1. Rinnai I120sn Condensing Gas Boiler, Natural Gas (120k Btu)

This hot water heater is designed to heat an entire house with its self-cleaning stainless steel heat exchanger and modulating wire mesh burner. It also features a secondary flat plate heat exchanger for showers and faucets. The multizone control capability allows thermostats and control pumps to connect directly to the boiler, providing both central heating and warm tap water.

The smart heater also includes a child-lock safety feature that turns off central heating automatically. The electric heater features an easy-to-use digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings. The up/down arrows adjust the temperature between 104°F and 180°F. This water heater's compact wall-mounted design saves space, and it has multiple venting options, including a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.

This hot water heater also comes with a guarantee that it will last. It has a 12-year warranty for residential heat exchanger, a 5-year warranty for residential parts, and a 1-year warranty for residential labor. For commercial use, it has a 5-year warranty for commercial heat exchanger, a 5-year warranty for commercial parts, and a 1-year warranty for commercial labor.

Pros

  • Self-cleaning stainless steel heat exchanger
  • Modulating wire mesh burner
  • Secondary flat plate heat exchanger for showers and faucets
  • Multizone control capability
  • Compact wall-mounted design
  • Multiple venting options
  • 12-year warranty for residential heat exchanger
  • 5-year warranty for residential parts
  • 1-year warranty for residential labor
  • 5-year warranty for commercial heat exchanger
  • 5-year warranty for commercial parts
  • 1-year warranty for commercial labor

2. Rinnai I090sn Condensing Gas Boiler, Natural Gas (90k Btu)

Enjoy a warm, cozy home with the help of this efficient hot water heater. This boiler is equipped with a self-cleaning stainless-steel heat exchanger, which ensures that your house is heated evenly throughout. It also has a modulating wire mesh burner that provides optimal heating while maintaining energy efficiency. The secondary flat plate heat exchanger is perfect for providing hot water to showers and faucets, so you never have to worry about running out of hot water.

For added safety, this smart heater comes with a child-lock feature that automatically turns off central heating. The multizone control capability allows for easy thermostat and control pump connections to the boiler, which makes it easy to warm up the house and tap water. The user-friendly electric heater features a digital display main screen, temperature and pressure display, and an outdoor reset sensor with easy parameter settings. The temperature can be adjusted between 104°F and 180°F using the up/down arrows.

This hot water heater has a space-saving design that saves a lot of room. It is a compact wall-mounted unit with multiple venting options, including a 2-inch PVC up to 65 feet and 3-inch up to 150 feet. You can trust this heater to last, as it comes with a 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively. With this hot water heater, you can enjoy a warm, comfortable home and reliable hot water for years to come.

Pros

  • Efficient heating with self-cleaning stainless-steel heat exchanger
  • Smart features such as child-lock and multizone control
  • User-friendly electric heater with digital display main screen and temperature and pressure display
  • Space-saving design with multiple venting options
  • Long-lasting with 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty

3. Noritz Convertible Boiler: Efficient Hvac And Dhw Solution.

The Noritz accessory is an excellent solution for simultaneous domestic hot water and heating needs. It offers superior temperature stability for domestic hot water, ensuring that your water remains at a consistent temperature throughout use. The clean burner is efficient and reliable, making it an excellent choice for those looking to save on energy costs. The accessory is easy to install with a new wall bracket, which provides added stability and support.

With this accessory, you can enjoy a comfortable and consistent temperature in your home all year round. Whether you need hot water for a shower or heating for your living space, this accessory has got you covered. With its clean burner and easy installation process, this accessory is an excellent choice for homeowners looking to upgrade their heating and hot water systems.

Pros

  • Provides simultaneous domestic hot water and heating
  • Offers superior temperature stability for domestic hot water
  • Efficient and reliable clean burner
  • Easy installation with new wall bracket

4. Rinnai I060sn Condensing Gas Boiler, Natural Gas (60k Btu)

Get ready to experience a warm and cozy home with this efficient hot water heater. It is equipped with a self-cleaning stainless-steel heat exchanger, which modulates heat output according to demand, and a secondary flat plate heat exchanger for showers and faucets. The heater comes with smart features that allow multizone control capability, which means you can connect your thermostat and control pumps directly to the boiler that warms the house and tap water. The smart heater also features a safety child-lock that automatically turns off central heating.

The electric heater has a user-friendly interface, with a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings. The temperature can be adjusted between 104°F and 180°F using up/down arrows. The space-saving design of this water heater allows for easy wall-mounting and multiple venting options, including a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.

This hot water heater is sure to last for years to come with a 12-year residential warranty, 5-year commercial warranty for the heat exchanger, 5-year residential warranty, and 1-year commercial warranty for parts and labor.

Pros

  • Efficient heating with self-cleaning stainless-steel heat exchanger
  • Multizone control capability for easy thermostat and control pump connection
  • Smart safety child-lock to automatically turn off central heating
  • User-friendly interface with digital display main screen and temperature and pressure display
  • Space-saving wall-mounted design with multiple venting options
  • Long-lasting warranty for residential and commercial use

5. Rinnai I090cn Condensing Gas Boiler, Natural Gas (90k Btu)

Enjoy a warm and comfortable home with this efficient hot water heater that features a stainless-steel heat exchanger with a modulating wire mesh burner. You can also benefit from a built-in domestic hot water plate heat exchanger that provides hot water for showers and faucets. The smart multizone control capability allows you to connect the thermostat and integrated control pumps directly to the boiler that warms the house and the tap water. Plus, the smart heater has a safety child-lock that automatically turns off the central heating for added safety.

This electric heater boasts a user-friendly interface with a digital display main screen, temperature and pressure display, and outdoor reset sensor with easy parameter settings. You can easily adjust the CH temperature between 104°F and 180°F and DHW between 98°F and 140°F. The compact wall-mounted design of this water heater saves space, and there are multiple venting options available, including a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.

This hot water heater is guaranteed to last with its 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor, respectively. Invest in this top-quality hot water heater and enjoy a warm and cozy home all year round!

Pros

  • Efficient stainless-steel heat exchanger with a modulating wire mesh burner
  • Built-in domestic hot water plate heat exchanger for showers and faucets
  • Smart multizone control capability with a safety child-lock
  • User-friendly interface with a digital display main screen and temperature and pressure display
  • Adjustable CH and DHW temperature
  • Compact wall-mounted design with multiple venting options
  • 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor, respectively

6. Mr. Heater 30,000 Btu Vent Free Blue Flame Natural Gas Heater Mhvfb30ngt

The 30,000 BTU Natural Gas heater is a powerful heating solution for spaces up to 1000 square feet. It features a blue flame burner that provides even convection heat to keep you comfortable in the colder months. The heater is designed for maximum elevation of 4500 feet and has a fuel consumption rate of .030 MCF per hour. The automatic low oxygen shut-off system ensures your safety by shutting down the heater in case of low oxygen levels. The heater is CSA certified for quality and safety standards. It is an unvented heater that comes with a thermostat, legs and wall mounting hardware for easy installation. The thermostat allows for automatic temperature control, making it convenient to adjust the temperature according to your preferences. However, this heater is not recommended for use in bathrooms, bedrooms or recreational vehicles due to safety reasons.

If you live in a large home, the 30,000 BTU Natural Gas heater is a great heating solution to keep you warm and comfortable during the colder months. With its blue flame burner, this heater provides even convection heat to every corner of the room. The automatic low oxygen shut-off system ensures your safety while using the heater. The thermostat allows for easy temperature control, making it convenient to adjust the temperature as per your needs. The heater is CSA certified for quality and safety standards, so you can rest assured that you are getting a reliable product. However, it is important to note that this heater is not suitable for use in bathrooms, bedrooms or recreational vehicles.

The 30,000 BTU Natural Gas heater is an excellent choice for heating up large spaces up to 1000 square feet. It features a blue flame burner that provides even convection heat, ensuring that every corner of the room is evenly heated. The heater is designed for maximum elevation of 4500 feet and has a fuel consumption rate of .030 MCF per hour. The automatic low oxygen shut-off system ensures your safety by shutting down the heater in case of low oxygen levels. The heater is CSA certified for quality and safety standards. It is an unvented heater that comes with a thermostat, legs and wall mounting hardware for easy installation. The thermostat allows for automatic temperature control, making it convenient to adjust the temperature according to your preferences. However, it is important to note that this heater is not recommended for use in bathrooms, bedrooms or recreational vehicles due to safety reasons.

Pros

  • Powerful 30,000 BTU heater for large spaces up to 1000 square feet
  • Blue flame burner provides even convection heat
  • Automatic low oxygen shut-off system ensures safety
  • CSA certified for quality and safety standards
  • Comes with thermostat, legs and wall mounting hardware for easy installation
  • Thermostat allows for automatic temperature control

Cons

  • – Not suitable for use in bathrooms, bedrooms or recreational vehicles

7. Rheem Rtg-84dvln 8.4 Gpm Low Nox Direct Vent Tankless Natural Gas Water Heater

Introducing the Tankless Gas Water Heater, a cost-effective and energy-efficient solution to your hot water needs. With this water heater, you'll never run out of hot water, even with back-to-back showers. It automatically adjusts the amount of energy required to heat the water you need, reducing energy consumption and saving you money.

This water heater also offers easy and convenient control, allowing you to easily adjust the water temperature ranging from 85˚F–140˚F. It is designed for indoor use only, making it the perfect choice for your home or apartment. Enjoy continuous hot water without worrying about running out or wasting energy with the Tankless Gas Water Heater.

Pros

  • Provides continuous hot water, even with back-to-back showers
  • Cost-saving and energy-efficient
  • Automatically adjusts energy consumption based on water usage
  • Easy and convenient control to adjust water temperature
  • Designed for indoor use

8. Ao Smith Gwo-400 Commercial Natural Gas Hot Water Supply Boiler

Introducing the highly efficient Fan Assisted Pressurized Combustion System. This system is designed to provide an optimal combustion environment by utilizing a fan to mix air and fuel for improved combustion efficiency. The pressurized design ensures that the combustion process is stable and consistent, which results in a cleaner and more efficient burning process. The system is also equipped with an ASME rated relief valve for added safety and peace of mind.

The factory installed all bronze pump is another great feature of this system. Bronze pumps are known for their durability and corrosion resistance, making them an ideal choice for applications involving hot water and other corrosive liquids. The pump is also designed to be highly efficient, which helps to reduce energy costs and improve overall system performance.

The cast iron glass lined headers are another notable feature of this system. The headers provide a durable and corrosion-resistant surface that can withstand the harsh conditions associated with high-temperature applications. The glass lining also helps to prevent scale buildup and corrosion, which can extend the life of the system and improve its overall performance.

Pros

  • Efficient Fan Assisted Pressurized Combustion System
  • ASME rated relief valve for added safety
  • Factory installed all bronze pump for improved durability and efficiency
  • Cast iron glass lined headers for improved corrosion resistance and performance

9. Ao Smith Gwo-750 Commercial Natural Gas Hot Water Supply Boiler

The Fan Assisted Pressurized Combustion System is a reliable and efficient heating system that is designed to provide comfort and warmth in any residential or commercial space. With its advanced technology, this heating system ensures that the combustion process is clean and efficient, resulting in reduced emissions and lower energy bills.

The ASME Rated Relief Valve is another impressive feature of this heating system. It is designed to protect the system against excessive pressure and temperature, ensuring safe and reliable operation at all times. This valve is also compliant with industry standards, making it a reliable choice for any heating system.

The Factory Installed All Bronze Pump is a durable and high-quality component that is designed to provide reliable and efficient circulation of hot water throughout the system. This pump is factory installed, ensuring that it is properly integrated with the system and ready for use.

The Cast Iron Glass Lined Headers are another impressive feature of this heating system. They are designed to provide excellent heat transfer and durability, ensuring that the system performs at its best for years to come. The headers are also easy to maintain and clean, making them a practical choice for any heating system.

Pros

  • Efficient and reliable heating system
  • Reduced emissions and lower energy bills
  • Compliant with industry standards
  • Durable and high-quality components
  • Excellent heat transfer and durability
  • Easy to maintain and clean

10. Ao Smith Gw-1300 Commercial Natural Gas Hot Water Supply Boiler

The product is a high-quality ASME National Board Listed relief valve designed for efficient and reliable operation. It has a working pressure of 160No, making it suitable for a wide range of applications. The relief valve is ASME-rated, which ensures its safety and durability. It is easy to install and requires minimal maintenance.

The integral rear header mounted bronze fitted pump is another key feature of this product. It is factory-installed, which saves time and effort during installation. The pump is made of high-quality bronze and is designed to withstand harsh operating conditions. It provides reliable performance and ensures smooth operation of the valve.

The product is also equipped with a bronze fitted pump that is factory-installed. This pump is designed to provide reliable performance and is made of high-quality materials. It ensures that the valve operates smoothly and efficiently.

Overall, this product is an excellent choice for applications that require a high-quality relief valve. Its ASME National Board Listing and working pressure of 160No make it a safe and reliable option. The integral rear header mounted and factory-installed bronze fitted pumps ensure reliable and efficient operation.

Pros

  • ASME National Board Listed
  • Working pressure of 160No
  • ASME-rated relief valve
  • Integral rear header mounted bronze fitted pump
  • Factory-installed bronze fitted pump
  • Easy to install
  • Minimal maintenance required

Best Natural Gas Boilers For Home Heating FAQs

How do natural gas boilers compare in terms of environmental impact and sustainability?

Natural gas boilers are a popular choice for heating homes and buildings, but they do have an impact on the environment. In terms of greenhouse gas emissions, natural gas boilers are considered better than oil boilers or coal-fired boilers. However, natural gas still releases carbon dioxide and other pollutants into the atmosphere.

In terms of sustainability, natural gas is a finite resource and its extraction can have negative impacts on the environment. Fracking, for example, has been linked to water pollution and earthquakes. Additionally, the transportation and distribution of natural gas can also have environmental impacts.

To mitigate the environmental impact of natural gas boilers, it is important to ensure they are designed and maintained to be as efficient as possible. Regular maintenance and upgrades can help reduce emissions and improve the sustainability of natural gas boilers. It is also important to explore alternative heating options, such as renewable energy sources like solar or geothermal, to reduce reliance on fossil fuels.

How efficient are natural gas boilers compared to other heating systems?

Natural gas boilers are known for their high efficiency and cost-effectiveness. They are considered one of the most efficient heating systems available in the market today. According to the U.S. Department of Energy, natural gas boilers can achieve efficiency ratings of up to 98%, which is significantly higher than other heating systems such as oil boilers which can achieve only up to 90% efficiency.

The main reason behind the high efficiency of natural gas boilers is their ability to extract heat from the combustion process and convert it into useful energy. This means that less fuel is required to produce the same amount of heat compared to other heating systems.

Furthermore, natural gas boilers are also known for their low carbon footprint, making them an eco-friendly option for homeowners. They produce fewer emissions compared to other heating systems, which is a great advantage for those who are concerned about the environment.

In conclusion, natural gas boilers are highly efficient heating systems that offer numerous benefits to homeowners. They are cost-effective, eco-friendly, and can provide reliable and consistent heat throughout the winter months.

What are the benefits of using natural gas boilers for home heating?

Natural gas boilers have gained immense popularity in the recent years due to their numerous benefits as compared to other heating options. First and foremost, natural gas is considered to be one of the most cost-effective fuels available in the market, which makes it an ideal option for homeowners who want to save on their energy bills. Additionally, natural gas boilers are highly efficient and can provide consistent heat for a longer period of time as compared to other options. They are also environmentally friendly, emitting significantly fewer greenhouse gases as compared to other fossil fuels. Natural gas boilers are also easy to install and maintain, which makes them a convenient option for homeowners who want to avoid the hassle of maintaining complex heating systems. Finally, natural gas boilers are highly reliable and safe to use, making them a popular option for many homeowners. Overall, natural gas boilers offer an excellent combination of efficiency, cost-effectiveness, and convenience, making them a popular choice for home heating.

What are the installation and maintenance costs for natural gas boilers?

The installation and maintenance costs for natural gas boilers can vary depending on several factors. The size of the boiler, type of installation, and location can all impact the cost. Typically, the installation cost for a natural gas boiler can range anywhere from $2,500 to $7,500. It's worth noting that installation costs can be higher for more complex installations or for larger boilers.

As for maintenance costs, they can also vary depending on the type of boiler and how often it is serviced. Annual maintenance for a natural gas boiler can cost anywhere from $100 to $300. However, if repairs are needed, the costs can be higher. It's important to keep up with regular maintenance to avoid costly repairs and ensure the boiler is running at optimal efficiency.

Overall, while the initial installation cost for a natural gas boiler may seem high, the long-term energy savings and efficiency can make it a worthwhile investment. Proper maintenance can also help prolong the life of the boiler and reduce the likelihood of costly repairs.

What are the safety considerations when using natural gas boilers for home heating?

When it comes to using natural gas boilers for home heating, safety should be a top priority. One of the main safety considerations is ensuring that the boiler is installed by a professional, certified technician who can guarantee that the system is properly installed and maintained. It is also important to ensure that the system is regularly serviced to prevent any potential leaks or malfunctions.

Another safety consideration is ensuring proper ventilation. Natural gas boilers emit carbon monoxide, which can be harmful if not properly vented to the outside. Installing carbon monoxide detectors throughout the home can also help to alert residents if there is a leak.

It is also important to educate all occupants of the home on the proper use and maintenance of the boiler, such as not blocking the air vents or using the system for any other purpose than heating. Additionally, it is important to have a plan in place in case of an emergency, such as knowing how to shut off the gas supply and having a designated meeting place outside of the home.

Overall, by taking these safety considerations into account and ensuring proper installation, maintenance, and usage, homeowners can enjoy the benefits of natural gas boilers for home heating while minimizing the potential risks.

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