The problem with that is that it is installed on the property. When you connect it to the house with those bucts it is installed in the house. What do you think would happen if the trailer did catch fire? Don't you think that the smoke and fumes would get sent into the house through that duct work? You may not burn your house down but you could still be killed by the smoke or fumes.the woodburner is not installed at the property so there are no permits or insurance issues.