Adding A Tank To A Tankless Water Heater

Tie in new hot and cold water lines to the existing water lines with copper pipe and run the lines to the new water heater.

Adding a tank to a tankless water heater.

Tankless units are more expensive. This does not apply directly to most homeowners who have a tankless water heater system. According to homeadvisor the average cost of a 40 to 50 gallon tank style water heater including installation is 889. Disadvantages of tankless water heaters.

A buy a bigger water heater. Here are the steps we took to convert from a propane powered water heater to an electric tankless water heater. How to switch from propane tank water heater to electric tankless water heaters. Informinc knowledge you can use informinc.

An electric tankless unit will cost about 500 to 700 roughly the same as a traditional tank model while the cost of a gas tankless heater runs about 1 000 to. The biggest downside of tankless water heaters by far is the high upfront cost of the unit and installation. See the heater owner s manual for more information. A well insulated extra storage tank in series with your main tank.

I also made a video so you could see our install first hand. A tankless heater in series with your tank should work but i would consider two alternatives. Like the tankless option it would only draw significant power when you draw down the main tank. This article includes a sidebar comparing details of tank and tankless water heaters.

If your water system has a check valve or anti siphon valve on the supply line an expansion tank near the cold intake to the heater will likely be necessary. Before the slug of cold water from the tankless heater reaches the showerhead it mixes with the hot water in the small tank preventing the icy blast. Switching to tankless water heaters isn t that hard. Best of all tankless water heaters are energy efficient because they don t heat water when it s not being used.

If a tankless water heater is being used in conjunction with a tank water heater or a recirculating system that utilizes a storage tank in a closed plumbing system an expansion tank is required to control thermal expansion. So here is my feasibility question. The average cost of a tankless water heater including installation is 3 000.