Hey DP, The furnace system was engineered by one of the local supply houses. I am not sure what brand the air extractor that he provided is, but it is not yet pictured. As to the painting- you're funny. Looking into my crystal ball, I don't foresee painting of that room in it's future.
The choice of propane came from speaking the the experts. Every expert I talked to said propane was the better choice for the radiant heat system. As I understand it, the furnace operates very efficiently with the cooler water being pumped into it, whereas an oil system requires blenders and isn't as ideal for the system. I believe the literature is boasting over 90% efficiency when used in a radiant floor system.
Today was an epic day in the project- the first snowflakes showed up. Fortunately by the end of the day we had the building fully enclosed.
Project one for the day was working on the big doors. This has become a major priority. This morning Lena and Evan stuffed the doors with foam insulation.
My job was playing with the hinges. I almost felt like a woodworker. Actually it was probably more like woodworking than building my furniture.
By the late afternoon we had the opening all closed in.
Ok, it turns out the plywood company snafued and sent 1/4" plywood which is too thin for the interior sheathing so we had to abandon the idea of getting the doors completed. The tarp actually makes a decent difference and running the flamethrowing salamander heater it actually got very comfortable inside.
This afternoon we threw up some more siding on the back. It continues to go well, without much effort we are more than halfway done with it.
Pete