Lowe's offers three primary power options, which you can browse on the Lowe's Tankless Water Heaters page . How to Choose a Tankless Water Heater | Lowe's
Incoming water may be 70°F+, meaning the unit works less to reach 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.
Incoming water can be as low as 37°F, requiring a high temperature rise (approx. 83°F).