Quote:
Originally Posted by StrangeTanks
Anyone have a boiler with a water heating coil on it? Tankless water heating is nothing new, its just with the introduction of forced air HVAC fewer and fewer boilers are out there.
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I recently upgraded the mechanicals in my house...I replaced the enormous antique boiler with a new efficient direct vent gas boiler and replaced the old hot water heater with an indirect hot water heater.
I couldn't be happier with the system, it is much more efficient during the heating season and slightly more efficient in the summer. The indirect system I have is basically a tank in tank design that is super insulated, which means that although it is not tankless the standby loss is minimal.
The boiler heats a small amount of water in a seperate loop to indirectly heat the domestic hot water in the inner tank. The tank is stainlesss steel and has a lifetime warranty. If you have a moderately efficient boiler (greater than 80%) than an indirect hot water heater is worth considering, especially if you require a lot of hot water, as these make copious quantities of hot water.
Here is a link:
Weil-McLain :: Products :: Water heater