Quote:
Originally Posted by burnin oil
For the radiant heat guys. What do you spend to run the water heater per year? I am about to build a shop myself and want radiant heat. Ultimately a wood boiler setup but that part would be a couple years down the road.
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I can't put a number on it, but mine is not a water heater. I'm using a condensing boiler. My boiler will not only heat the loop for the floor, but also provide domestic hot water. It is very efficient. Using a hot water heater vs a boiler for radiant heat is controversial subject. I'm not here to steer you one way or the other. There are many factors that go into the decision making process, so I would suggest you do your research first.
Many boilers and water heaters are not efficient enough to condense the flue gasses down to water. Most boilers and water heaters would rust out or otherwise corrode if condensation occurred within them. For reasons of long term cost and energy efficiency I would recommend using either a high efficient condensing boiler or condensing water heater for radiant floor heat.