10 Best Tankless Gas Water Heaters 2024 in the US

1.

Versa Vent: Installable indoors or outdoors with Versa Vent system.

2.

Smart Sense Gas Control: Powered by propane or natural gas with Smart Sense.

3.

Compact Size: Size of a small suitcase, provides up to 11.1 GPM.

4.

High Efficiency: Super-high energy efficiency factor of UEF .98.

5.

WiFi Control Option: Controlr module available for WiFi control (not included).

1.

High Flow Rate: Offers a wide range of flow rates from 0.4 to 9.5 gallons per minute, accommodating various household needs.

2.

Adjustable Temperature: Temperature settings can be adjusted between 100 to 140 degrees Fahrenheit, with a default setting of 120F, for precise hot water control.

3.

Electric Ignition: Includes an electric ignition system for reliable and quick start-up without the need for a standing pilot light.

4.

Comprehensive Warranty: Comes with a 1-year labor warranty, an extensive 15-year warranty on the heat exchanger, and a 5-year warranty on parts.

5.

Compact Size: With a width of 17-11/16 inches, the unit is designed to save space and can be easily installed in various indoor locations.

1.

Continuous Hot Water: Provides immediate hot water for entire house.

2.

Energy Cost Savings: Saves 11,000 gallons of water per year with recirculation.

3.

EcoNet Wi-Fi Technology: Customize settings and track usage via mobile device.

4.

Compact Design: Offers flexible installation with compact size and outdoor capability.

5.

Hot-start Programming: Prevents cold water bursts between back-to-back usage.

1.

Versa Vent Installation: Installable indoors or outdoors with Versa Vent.

2.

Smart Sense Gas Control: Powered by propane or natural gas with Smart Sense.

3.

Compact Size: Size of a small suitcase, provides up to 11.1 GPM.

4.

High Energy Efficiency: UEF .98 with Quick Flush and easy-to-use interface.

5.

Smart-Circ Technology: Learns usage patterns for efficient recirculation.

1.

Fans Placed Underneath: Ensures safety and prevents smoke backflow.

2.

Tankless Design: Provides unlimited hot water on demand.

3.

Easy Installation: Standard fittings and compact size for quick setup.

4.

High Heating Capacity: 130,000 BTU and 5.3 GPM for multiple outlets.

5.

2-Year Warranty: Offers support and protection for the water heater.

1.

Circ-Logic Technology: Offers recirculation patterns that adapt to your usage habits for efficient hot water delivery.

2.

High GPM Output: Provides up to 7.5 gallons per minute, capable of supporting up to 5 fixtures simultaneously.

3.

Compact Size: Space-saving design, similar to a small suitcase, allows for installation in various locations.

4.

Extended Warranty: Comes with a comprehensive warranty package, including up to 12 years for residential use.

5.

WiFi Control Compatibility: Compatible with Controlr module (sold separately) for remote WiFi control and monitoring.

1.

Versa Vent System: Allows indoor or outdoor installation.

2.

Compact Size: Small suitcase size, provides up to 9 GPM.

3.

High Energy Efficiency: UEF .97 for superior energy savings.

4.

Smart-Circ Technology: Learns usage patterns for efficient recirculation.

5.

WiFi Control Option: Compatible with Controlr module for remote control.

1.

High Heating Capacity: 100,000 BTU with 4.3 GPM flow rate for continuous hot water.

2.

Four Seasons Function: Automatically adjusts water temperature based on seasons.

3.

No Preheating Required: Provides unlimited hot water on demand without waiting.

4.

Cost-Effective: Includes exhaust pipe and reduces energy consumption with copper tank.

5.

Multiple Functions: Kitchen and bathtub functions with adjustable settings.

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Endless hot water: Provides continuous hot water supply.

2.

Outdoor applications: Perfect for use in outdoor settings.

3.

High Efficiency: Optimized for energy-saving performance.

4.

Low Nox: Produces minimal nitrogen oxide emissions.

5.

UEF: 0.81: Uniform Energy Factor of 0.81 for efficiency.

1.

Continuous Hot Water: Provides an uninterrupted supply of hot water for the entire home, even with multiple applications running simultaneously.

2.

Energy Efficient: Operates only when hot water is needed, leading to potential savings on energy costs.

3.

Water Saving: Features a water-saving setting that can save up to 1,100 gallons of water annually.

4.

Hot-start Programming: Maintains the water heater in a ready state to prevent cold-water bursts when hot water is turned on.

5.

Compact Design: 19% smaller and 22% lighter than the previous model, allowing for easy installation and space efficiency.