Do Car Sun Shades Work Reddit. Ad Custom Fit in 6 Colors. More then s24o 48 72 or at.
Cracking open even 1 car window if its not gonna rain is more efficiently going to keep your vehicle cooler than putting a sun shade up on your windshield. The test car had 118 F surface temperature of the wheel and was still tolerable. Sun shades are one of the simplest and most effective accessories to protect your vehicles interior.
I got a new comment on an old post asking an interesting question about thermodynamics.
Umbrella car window shades create a canopy for the whole car so they offer the best protection against sun rays and heat. This prevents the rise of car interior temperatures. Depending on the material and design a shade can reduce a vehicles internal temperature by up to 40F which means it takes much less time for the air conditioning to cool down the car once you get inside. You fold each half to meet in the center.
