A heating and cooling and air conditioning module housing wherein the defrost outlet and the vent outlet and the seat outlet are disposed next adjacent to one another and a first plate overlies the defrost outlet and the seat outlet and a second plate overlies the seat outlet and the vent outlet for opening and closing various combinations of the outlets. under the conditions satisfying particular equations between an initiator concentration and a polymerization temperature; feeding a reaction mixture taken out from the reactor to a devolatilization step ; and separating and removing volatiles from the reaction mixture. Further described are novel insulating material placement used to seal the building structure\u2014door gaps.