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 enough hot water for your entire house, even with multiple applications.

2.

Energy Efficient: High Efficient Water Heater only runs when needed, saving on energy costs.

3.

Water Saving Setting: Saves up to 1,100 gallons of water per year.

4.

Hot-start Programming: Keeps the water heater in a ready state, avoiding cold-water bursts.

5.

Leak Protection: LeakGuard Leak Detection & Prevention protects your home from water damage.

1.

Endless Hot Water: Enjoy unlimited hot water flow throughout the house.

2.

Energy Efficient: Heats water only when necessary, conserving energy.

3.

Compact Design: Durable design fits your home and lifestyle.

4.

High Water Pressure: Offers up to 6.5 GPM for serving up to 5 appliances.

5.

Flexible Installation: Multiple venting options for flexible placement.

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.

Energy Efficient: Only heats water when necessary to conserve energy.

2.

Compact Design: Size of a small suitcase, provides up to 5.3 GPM.

3.

Smart Design: LED screen provides service reminders and error codes.

4.

Durable: Includes 15-, 5-, and 1-year residential guarantee for parts.

5.

WiFi Control: Compatible with Controlr module for WiFi control (not included).

1.

Low Activation Flow Rate: Efficient .05 GPM activation flow rate.

2.

High BTU Output: 199,000 BTU for powerful performance.

3.

Self-Diagnostic System: Onboard computer for diagnostics.

4.

High Thermal Efficiency: Provides 84% thermal efficiency.

5.

Easy Installation: Simple, single penetration installation.

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.

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.

Endless Hot Water: Enjoy unlimited hot water flow throughout the house.

2.

Energy Efficient: Heats water only when necessary, conserving energy.

3.

Compact Design: Durable design fits your home and lifestyle.

4.

High Water Pressure: Offers up to 5.3 GPM for a powerful, constant stream.

5.

Long-lasting Warranty: 10-, 5-, and 1-year warranty for heat exchanger, labor, and parts.