Camplux tankless gas heater features an energy-saving technology that makes it save up to 11.5 percent energy. In addition, this water heater exchanger uses propane, and the main burner is ...

Camplux ME60 is my first pick for the most efficient water heater ... Third, propane furnaces last longer than electric heat pumps. Rinnai V65IN is a propane tankless water heater. This is a good ...