Uniform Energy Factor refers to a water heater's efficiency when run under simulated heavy use conditions for a 24-hour period. Electric Tankless is part of the Water Heaters test program at ...

Maintenance on a tankless water heater averages $45 to $200 per year for a professional to visit your home and service your unit. Most models will have a five-year chamber and one-year parts warranty.

Uniform Energy Factor refers to a water heater's efficiency when run under simulated heavy use conditions for a 24-hour period. Gas Tankless is part of the Water Heaters test program at Consumer ...

Relying on a professional plumber to install a tankless water heater will obviously be more ... proper training and credentials to handle all parts of the process. For most homeowners, a ...