Adding A Tank To A Tankless Water Heater

Tankless units are more expensive.

Adding a tank to a tankless water heater.

So here is my feasibility question. 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. According to homeadvisor the average cost of a 40 to 50 gallon tank style water heater including installation is 889. A buy a bigger water heater.

Like the tankless option it would only draw significant power when you draw down the main tank. Informinc knowledge you can use informinc. 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.

This article includes a sidebar comparing details of tank and tankless water heaters. B install an in line single point of use tankless unit immediately after the water heater. The biggest downside of tankless water heaters by far is the high upfront cost of the unit and installation. By locating the small tank in a closet or under a vanity in a bathroom you can enjoy the convenience of instant hot water with the efficiency of the tankless water heater.

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. A well insulated extra storage tank in series with your main tank. Switching to tankless water heaters isn t that hard. This does not apply directly to most homeowners who have a tankless water heater system.

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 average cost of a tankless water heater including installation is 3 000. A tankless heater in series with your tank should work but i would consider two alternatives. See the heater owner s manual for more information.

I also made a video so you could see our install first hand. Best of all tankless water heaters are energy efficient because they don t heat water when it s not being used. I would prefer to not use option a as the only time that much hot water would be used is for a bath and that seems like a waste of electricity to me.