Presently there are several options available on the market.
Tank and tankless water heater combo.
However the two most common designs that many consider are tankless and tank storage water heaters.
Use a tankless with a traditional tank for high volume water systems takagi tankless water heaters can be used as an indirect water heater in conjunction with a storage tank for high volume situations.
Tankless water heaters are more compact and can heat up water as you use it.
A twh combination heating system without a buffer tank costs about 400 less than a condensing furnace heating system a twh combination heating system with a buffer tank is 2000 or more less than a combination system using a boiler and indirect water heater operating costs may be similar.
All pros listed are independent dealer owned.
Set the tankless to deliver 110f and the tank to deliver 120f and set the mixing valve to supply 110f.
One of the first things to consider is whether you should get a tank or tankless water heater.
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The storage tank should be 30 gallons or larger and must always be set at least 5 degrees below the takagi tankless water heater.
A water tank is a vast reservoir of water typically located inside a home used for holding and heating water.