Thermal transfer can make your mobile home so hot it’s unbearable. In the case of your mobile home wall, insulation would thermally separate the interior wall, which is cooled by the cool air inside from the exterior wall, which is heated by the outside air and sun.Click to see full answer. Likewise, people ask, how do I cool down my trailer? Best Answer Run fans if possible to keep cool. Park in the shade, or somewhere not in direct sunlight. Tint windows. Be sure to be hydrated, cool water/ice. Tarp, maybe can tie to sit outside of your mobile home. LED light bulbs to reduce heat usage. Cook outdoors. Also Know, how hot can a mobile home get? The sun’s infrared rays heat up the metal and the temperature of the metal can get well above 120 F or more. The same thing happens to your mobile home or anything left in the sun. The hot object radiates the heat much like a glowing piece of steel or a campfire. Then, how can I cool down my mobile home? How to Keep Mobile Homes Cool in the Summer Replace the air filter in your mobile home’s air conditioning system if you have one as recommended by the manufacturer. Run portable fans inside your mobile home to circulate the air. Add heavy shades or drapes to the window treatments inside your mobile home, and keep them closed when the sun is at its brightest. How can I keep my trailer cool without AC? Here are a few tips to keep your RV cool on hot day — no air conditioner needed. Orientation of the RV. Cover the Windows. Ventilation. Refrigerator Vent. Cover the Shower Skylight. Always Have Tarps. Switch to LED Lights. Cook Your Food Outside.