A tankless water heater can be a good investment for the home or business. It's more efficient, so it definitely cuts energy costs. A tankless heater works by heating only as much water as needed, when it is needed, instead of keeping a large volume of water hot at all times like standard tank models. You'll never run out of hot water in the middle of a long shower or dishwashing shift with a tankless water heater.

The hot water generated by a tankless heater is instead limited by the amount of hot water needed at once. Smaller units can only supply a couple of appliances at once before the stream is spread too thin. For a restaurant owner or a homeowner looking to outfit an entire house, a larger model is a necessity. Also, remember that most tankless heaters are powered by gas; even if you do opt for an electric model, these are not as effective.

Numerous companies can provide you with a tankless water heater, such as Rinnai, Bosch and Rheem. Whichever you choose, remember that maintenance is important, especially if your water is hard. Be sure to visit Business.com's links at the left side of the page for more information and options.