Well, RV fridges are burning propane to heat ammonia (so it can function when electricity is not available). This is not the same as actually replacing the ref

Well, RV fridges are burning propane to heat ammonia (so it can function when electricity is not available). This is not the same as actually replacing the refrigerant with propane (or a propane/isobutane blend). Still seems less risky then a gas dryer.