Best NG Water Heaters of 2025

The Eccotemp i12-NG Tankless Water Heater is a sleek and modern gas-powered water heater designed for whole-home use. With a rating of 3 GPM, this tankless water heater activates only when needed, reducing energy consumption. It features an easy-to-use LED display control panel with fully automatic temperature controls, including an energy-saving mode and child lock technology. The safe electronic ignition system eliminates the need for a pilot light. The i12-NG plugs into a standard 110v electrical outlet, making installation quick and convenient. With its standard 1/2" NPT water fittings and horizontal venting, this water heater is perfect for any home. Enjoy hot water on demand with the Eccotemp i12-NG.

The Ranein Tankless Water Heater offers a host of benefits for your hot water needs. With powerful fans positioned underneath, it ensures safety by preventing smoke backflow while providing optimal combustion. You’ll enjoy instant hot water without the annoying 30-minute wait typical of traditional heaters. Installation is a breeze thanks to standard fittings, and its compact design means it won’t take up much space in your home. With a high heating capacity, it can easily serve 4-6 outlets, making it perfect for families.

The Eccotemp Tankless Water Heater is a highly efficient outdoor unit that provides hot water only when you need it, ensuring energy savings for your home or apartment. Its CSA certification for both the US and Canada guarantees a safe installation, giving you peace of mind. The lack of venting requirements simplifies the setup process, making it quick and hassle-free. Additionally, being an outdoor model means it saves valuable indoor space while operating quietly, allowing you to enjoy your living area without distractions.

The MIZUDO Tankless Water Heater offers a reliable solution for your hot water needs. With its CSA certification, you can trust its safety features, including protection against overheating and accidental flameouts. Enjoy an endless supply of hot water at up to 4.3 gallons per minute, ensuring you never face a temperature drop during use. Its durable oxygen-free copper water tank minimizes heat loss, enhancing efficiency and longevity. Plus, its compact design saves more than 50% of the space compared to traditional tank heaters, making it ideal for smaller areas.

The Camplux Natural Gas Tankless Water Heater CM264-NG is a compact and energy-saving water heater that delivers instant hot water with its 2.64 GPM capacity. It features 6-in-1 multiple protection for safe operation and easy installation with standard fittings. The trendy and modern design comes with a digital temperature display and eco/full gas switch for energy-saving. Camplux offers considerate customer service with 24-hour support.

Introducing the FOGATTI Gas Tankless Water Heater, a compact and efficient solution for all your hot water needs. This innovative water heater is 1/4 the size of a traditional tank water heater, yet it delivers an impressive 5.1 gallons per minute of hot water, thanks to its powerful 120,000 BTU heat output. With its fast heat exchanger, you'll enjoy a quick and endless supply of hot water, eliminating the need to wait for the water to heat up slowly like with a tank water heater. The precise temperature control feature ensures stable and comfortable water temperature, while the high compatibility and easy installation make it a breeze to set up. Plus, with its CSA certification and excellent warranty, you can trust in the superior quality and service provided by FOGATTI.

The Mizudo Tankless Water Heater offers reliable outdoor performance with its impressive wind resistance and waterproof design, ensuring it can handle extreme weather. Enjoy the luxury of continuous hot water without the wait, allowing you and your family to take comfortable baths anytime. Its precise temperature control keeps water within a stable range, so you can always expect the perfect temperature. With the ability to supply multiple points of water simultaneously, this heater is perfect for meeting the demands of your bathrooms, kitchen, and laundry room all at once.

The Camplux Natural Gas Heater provides instant hot water, allowing you to enjoy a steady supply for multiple outlets simultaneously, such as bathrooms and kitchens. With a flow rate of 5.28 gallons per minute, you can experience precise temperature control without the frustration of fluctuating water temperatures. Its durable design features a pure copper water tank that minimizes heat loss, ensuring efficiency and longevity. Plus, its compact design saves space while delivering more consistent hot water compared to traditional tank heaters, making it an excellent choice for outdoor installation.

The Noritz NRC66ODNG Outdoor Condensing Tankless Water Heater provides endless hot water with very high efficiency, thanks to its compact, space-saving design and low Nox emissions. Perfect for those looking for a reliable and energy-efficient water heating solution.

The Noritz NRC66DVNG is an indoor condensing direct tankless hot water heater that provides endless hot water with high efficiency and low NOx emissions. It can be vented with Schedule 40 PVC Pipe and Fitting, making installation easier. The heater also comes with a remote thermostat and a 6' power cord, allowing for convenient temperature adjustments.