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10 Best Gas Heater For Home 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

NEW Rinnai RXP199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

Rating
9.9
Chosen by1,134
Efficiency Rating
Type of Gas Heater
Size and Design

Most important from
148 reviews

Efficiency Rating
Compact and efficient, saving both energy and space.
Type of Gas Heater
Supports both natural gas and propane for flexible fuel options.
Size and Design
High quality build and sophisticated technology design.

The Rinnai RXP199iN Condensing Smart Sense Gas Water Heater is a versatile and efficient option for home use. With a high heating capacity of 199,000 BTU and a maximum flow rate of 11.1 gallons per minute, it can comfortably supply hot water to multiple fixtures simultaneously. The water heater boasts a super-high energy efficiency factor of UEF .98, making it a cost-effective choice over time.

The compact design, comparable to a small suitcase, allows for flexible installation both indoors and outdoors, thanks to the Versa Vent system. It's powered by either natural gas or propane, offering additional flexibility depending on your home's fuel availability. The Smart Sense gas control system and Smart-Circ Intelligent Recirculation add to its modern usability, learning your water usage patterns to optimize efficiency.

Safety is also a priority, with features like the internal pump and an easy-to-use interface for control and maintenance. However, professional installation is recommended, which could add to the initial cost and complexity for some users. Additionally, while the unit is WiFi-ready, the Control-R module required for connectivity is not included. This product is suitable for households looking for a high-capacity, efficient, and modern gas water heater with flexible installation options.

Rating
9.9
Chosen by1,134
Efficiency Rating
Type of Gas Heater
Size and Design

Most important from
148 reviews

Efficiency Rating
Compact and efficient, saving both energy and space.
Type of Gas Heater
Supports both natural gas and propane for flexible fuel options.
Size and Design
High quality build and sophisticated technology design.
#2

Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU

Rating
9.8
Efficiency Rating
Type of Gas Heater

Most important from
148 reviews

Efficiency Rating
The On Demand BLE Bluetooth button accessory enhances energy efficiency by minimizing unnecessary cycling.
Type of Gas Heater
Supports both natural gas and propane, and can be installed indoors or outdoors for added flexibility.

The Rinnai RX130iN Condensing Smart Sense Tankless Water Heater is quite versatile and efficient. It offers a substantial heating capacity of 130,000 BTU and high energy efficiency with a UEF rating of 0.97, making it a good choice for energy-conscious users. The heater can run on both natural gas and propane, adding to its flexibility, and it can be installed both indoors and outdoors, thanks to the Versa Vent system.

The compact design, comparable to the size of a small suitcase, saves space and provides a good flow rate of up to 7.1 gallons per minute, ensuring you won't run out of hot water even with multiple fixtures running simultaneously. However, it does require professional installation, which can add to the initial cost. Also, while it features a Smart Sense gas control system for efficient operation, the optional WiFi control unit is not included and must be purchased separately.

Its sleek design and robust features make it a solid option for many homes, especially those in regions supported by its temperature map. Just be mindful that installation might require an additional investment in professional services.

Rating
9.8
Efficiency Rating
Type of Gas Heater

Most important from
148 reviews

Efficiency Rating
The On Demand BLE Bluetooth button accessory enhances energy efficiency by minimizing unnecessary cycling.
Type of Gas Heater
Supports both natural gas and propane, and can be installed indoors or outdoors for added flexibility.
#3

Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 8.4 GPM

The Rheem RTG-84DVLP-3 Indoor Tankless Liquid Propane Water Heater boasts a high efficiency with a maximum flow rate of 8.4 gallons per minute, which is sufficient to supply hot water to multiple applications in your home simultaneously. This makes it ideal for households looking to maintain comfort during peak usage times, such as when using a shower and dishwasher at the same time. The unit is designed with energy-saving features, only operating when needed, which can help reduce energy costs.

Additionally, the water-saving setting conserves up to 1,100 gallons of water annually, making it an environmentally friendly choice. The hot-start programming prevents cold-water bursts, ensuring a consistent and comfortable hot water supply. Safety is enhanced with the LeakGuard Leak Detection and Prevention feature, which is a significant plus for avoiding potential damage and costly repairs. The heater is installed indoors and mounts on the wall, saving space with its dimensions of 13.5 inches wide by 24.2 inches high.

It is essential to note that it does not include a thermostat control, which some users might find inconvenient for precise temperature adjustments. At 46.5 pounds, it is moderately heavy, which could pose a challenge during installation. This heater is best suited for those who prioritize an efficient and space-saving solution for continuous hot water supply without the need for frequent thermostat adjustments.

Buying Guide for the Best Gas Heater For Home

Choosing the right gas heater for your home involves understanding your heating needs, the size of the space you want to heat, and the features that will provide you with the most comfort and efficiency. Gas heaters come in various types and sizes, and selecting the right one can make a significant difference in your home's warmth and your energy bills. Here are some key specifications to consider when picking a gas heater for your home.
Heating Capacity (BTU)Heating capacity, measured in British Thermal Units (BTU), indicates the amount of heat a gas heater can produce. This spec is crucial because it determines how effectively the heater can warm up your space. Generally, the higher the BTU, the larger the area the heater can cover. For small rooms, a heater with 5,000 to 10,000 BTU may suffice, while larger spaces might require 20,000 BTU or more. To pick the right one, calculate the square footage of the area you need to heat and match it with the heater's BTU rating.
Efficiency RatingThe efficiency rating of a gas heater tells you how well the heater converts gas into heat. This is important because a more efficient heater will use less gas to produce the same amount of heat, saving you money on energy bills. Efficiency is often expressed as a percentage, with higher percentages indicating better efficiency. Look for heaters with an efficiency rating of 70% or higher for optimal performance. Consider your usage patterns and how much you value energy savings when choosing the efficiency level.
Type of Gas HeaterThere are several types of gas heaters, including vented, unvented, and portable models. Vented heaters are connected to a flue or chimney and are ideal for permanent installations, providing safe and efficient heating. Unvented heaters are easier to install and can be used in various locations but require good ventilation to ensure safety. Portable gas heaters offer flexibility and can be moved from room to room. Choose the type based on your installation preferences, safety considerations, and whether you need a permanent or flexible heating solution.
Safety FeaturesSafety features are essential in gas heaters to prevent accidents and ensure safe operation. Important safety features include oxygen depletion sensors (ODS), which shut off the heater if oxygen levels drop too low, and tip-over switches, which turn off the heater if it is knocked over. Overheat protection is another valuable feature that prevents the heater from getting too hot. When selecting a gas heater, prioritize models with these safety features, especially if you have children or pets.
Thermostat ControlA thermostat control allows you to set and maintain a desired temperature, providing consistent comfort and helping to save energy. This feature is important because it ensures the heater operates only when needed, avoiding overheating and reducing gas consumption. Some heaters come with programmable thermostats, which let you set different temperatures for different times of the day. Choose a heater with a thermostat control that matches your comfort preferences and lifestyle.
Size and DesignThe size and design of a gas heater can affect its placement and how well it fits into your home decor. Compact models are ideal for smaller spaces or for those who prefer a less obtrusive heater. Larger models may offer more heating power but require more space. Additionally, consider the design and aesthetics of the heater, as it should complement your home's interior. Select a size and design that balances your heating needs with your space constraints and style preferences.

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