If you’re thinking of replacing your traditional hot water heating tank, you’ve probably heard about tankless heaters. But is it right for you? Here’s a rundown of what you can expect. Tankless water heaters, also known as on-demand heaters, will provide hot water only as needed. Because the water is heated as it’s used, they don’t produce the energy loss associated with traditional heaters, which must keep the water hot until used. They can ...