When installing a carbon monoxide detector in an RV, you should place it in a central location, close to where people sleep, and at least 15 inches away from fuel-burning appliances: Location: Place the detector in a central location, about 5 feet from the floor. Distance from appliances: Keep the detector at least 15 inches away from fuel-burning appliances. Sleeping area: Mount the detector near the sleeping area.
You need a thick curtains to black the front of your seats from the back to make the back warmer for you and put some more thick curtains all around your windows too.