All pros listed are independent dealer owned.
Tank and tankless water heater combo.
There is a difference between these two tanks though.
However the two most common designs that many consider are tankless and tank storage water heaters.
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.
Presently there are several options available on the market.
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.
The storage tank should be 30 gallons or larger and must always be set at least 5 degrees below the takagi tankless water heater.
So what i m thinking is a tankless and a tank heater feeding into a mixing valve such as a watts lfmmv.
Water heaters with tanks.
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.