Electric tankless water heaters can be purchased at a local home improvement store. Stores like Lowe's and Home Depot sell this type of water heater at reasonable prices.
Propane or natural gas.
Most tankless hot water heaters are electric. I've never heard of a propane one.
Yes, the tankless water heaters do cost more than the normal water heaters because tankless water heaters are designed to supply hot water only when needed unlike normal ones.
Tankless water heaters are available at most hardware/construction retail stores or online stores. Tankless water heater are much more expensive than regular water heaters.
Instant water heaters, commonly known as on demand or tankless water heaters are available at large home improvement stores such as Lowes or Home Depot, or wherever water heaters are sold.
Tankless water heaters have been around about 30 years. I believe they may have first been used on European trains.
GE and Rheem both produce energy efficient water heaters. They each sell different sizes and models. Rheem produces tankless electric water heaters that are affordable and energy efficient.
Tankless water heaters are produced by a wide range of manufacturers. The Rheem tankless water heater has a cost range from the mid fifteen hundreds to over two thousand dollars.
Tankless gas water heaters can be purchased at your retail stores like Home Depot, their prices range from $278.43 to $1716.00. Tankless gas water heaters can also be purchased from ebay.
In addition to a full line of traditional tank water heaters, Rheem also offers tankless water heaters that are designed to leave less of a carbon footprint on the environment. The company's Prestige� Series Condensing Tankless Gas and Tankless Gas units are designed for homes with busy families, luxury bathrooms or vacation homes. These units provide quick start up and ample supply to run a variety of water heating applications simultaneously. Tankless electric water heaters are smaller and designed for point-of-use applications. They fit under bathroom or kitchen sinks and are perfect for small, detached buildings.
To find reviews for tankless water heaters, one could check out ConsumerReports, as well as sites that sell tankless water heaters such as Home Depot and Amazon.
Rheem tankless water heaters are special since they are both energy efficient, and space saving. These water heaters are also innovative due to their small size, since they can fit under sinks and small cabinets.