Situation: new superinsulated and very tight house nearing completion, with just inside work remaining. Temporary heat is being provided by a nonvented torpedo heater. With the thermostat set low, the thing doesn’t come on often, but when it does the humidity introduced overwhelms the dehumidifiers and condenses on the bottoms of the windows. That is wetting the wood around the glass, and we need to keep that dry before staining it. If we turn up the thermostat, the glass would be warmer, but the heater would come on more often and introduce more humidity. We need a heat source that doesn’t introduce humidity. The regular heating system has not been installed yet.
One option is electric heat. It would take about 3 KW to maintain a 40 degree delta T. Heating this way would cost almost $100/week. We may have to do that.
Another option is to connect the new wood stove to the chimney and air inlet duct. That would mean feeding it wood all day in order to let the place warm up enough to coast through the night. Also, we need the wood for the cottage on the site where we are living while the house is finished.
Does anyone know of a temporary heater that could be vented through the woodstove chimney?