In gas tankless water heaters there are no holding tanks that must be continuously heated to maintain a constant temperature. Take a look at the features for Rheem Gas Tankless Water Heater. Type: Condensing Tankless, Gas Type: Natural, Standards: Meets or exceeds ANSI requirements, Meets or exceeds energy effeciency requirements of NAECA, ASHRAE standard 90, CSA, NSF, GAMA,. Features Ignition Type: Electronic Height (In.): 27-1/2 GPM @ 45F Rise: 8.4 Item: Gas Tankless Water Heater Green Environmental Attribute: Residential Gas Heater Has Energy Factor Of = 0.67, Electric = 0.92 Depth (In.): 9-3/4 Energy Factor: .94 Type: Condensing Tankless Water Connection (In.): 3/4 GPM @ 90F Rise: 4.2 For Use With: Water Gas Connection (In.): 3/4 Green Certification or Other Recognition: ENERGY STAR Manufacturers Warranty Length: Limited Warranty, 12 Year on Heat Exchanger, 5 Year on Parts Gas Type: Natural Input (BTU): 11,000 -199,900 Includes: Remote Control, 10 Ft. of Thermostat Wire,120V Power Cord Standards: Meets or exceeds ANSI requirements, Meets or exceeds energy effeciency requirements of NAECA, ASHRAE standard 90, CSA, NSF, GAMA, Width (In.): 18-1/2 Draft Hood Size (In.): 3

Item Type: Water Heater Brand: RHEEM Manufacturer Part Number: RTGH-95DVLN Includes: Remote Control, 10 Ft. of Thermostat Wire,120V Power Cord