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Posted by Joe Brox on September 01, 2005 at 07:47:58:
In Reply to: wood/oil combination hot water boilers posted by Randy Balco on August 31, 2005 at 18:12:46:
You can't realy design an efficent boiler to do both. An oil burner fires at a specific rate. A wood fire can vary all the way upto a blast furnace and requires a great deal of draft that's wastefull when running the oil burner.
Plus do you realy want to haul wood down to a basement or into the middle of a house? I would only put a wood boiler outdoors next to the house with it's own chimney stack. Pipe it with isolation valves that bring it into the heating loop only when the wood boiler is fired. Just gotta watch the lines going outdoors for freezing.