A combination washing and drying machine including a chassis defining a chassis interior and a chassis opening, a tub located within the chassis interior and defining a access opening, a drying air circuit, a wash liquid circuit, a closure selectively movable relative to the chassis between an opened position, where the access opening is accessible, and a closed position, where the access opening is inaccessible, a fluid seal, and a thermal seal. The fluid seal configured to seal the tub relative to the closure when the closure is in the closed position. The thermal seal configured to seal the closure relative to the chassis when in the closed position.