Before leaving for a 2 month trip from Washington State to Cabo San Lucas & return I ordered a Magne Shade (
Home | Magne Shade | Sunshade for RV, RV Shade, Installs from the ground, Magnetic Shade, Magnet Shade) to reduce the heat inside while in Mexico. WOW!!! What a difference! My estimation is at least 20 degrees cooler inside.
Great product I highly recommend.