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.
Tank and tankless water heater combo.
A water tank is a vast reservoir of water typically located inside a home used for holding and heating water.
The storage tank should be 30 gallons or larger and must always be set at least 5 degrees below the takagi tankless water heater.
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.
There is a difference between these two tanks though.
So what i m thinking is a tankless and a tank heater feeding into a mixing valve such as a watts lfmmv.
However the two most common designs that many consider are tankless and tank storage water heaters.
One of the first things to consider is whether you should get a tank or tankless water heater.
Set the tankless to deliver 110f and the tank to deliver 120f and set the mixing valve to supply 110f.
Water heaters with tanks.
Tankless water heaters are more compact and can heat up water as you use it.