A unit rated for 7 GPM in Florida might only deliver 3 GPM in Maine because it must heat the water more intensely. 3. Choose a Power Source
Temperature rise is the difference between the incoming groundwater temperature and your desired output (usually 120°F).
A tankless water heater is a space-saving, energy-efficient upgrade that provides hot water on demand rather than storing it in a tank. When shopping at Lowe's, selecting the right unit depends on matching its capacity to your household's peak water usage and local climate.