Navigation for Electrical How To & DIY Ideas & Inspiration Installation Planning Video Reviews Best Uses for an Electric Tankless Water Heater Ask This Old House plumbing and heating expert Richard Trethewey discusses which houses are the best fit for an electric tankless water heater by Richard Trethewey and Kevin O'Connor, Host Share this story Share Share All sharing options for: Best Uses for an Electric Tankless Water Heater Pinterest Email Pocket Flipboard Resources: Expert assistance with this segment was provided by Bosch Thermotechnology. Next Up In Electrical All About Portable Power Stations Simple Guide to Installing a Generator Hook-Up How to Build a Utility Cover Understanding Smoke and Carbon Monoxide Detectors How to Install Outdoor String Lights How to Install a New Basement Circuit