From a site about the Sungate Winshield and it's benefits:
The Sungate windshield is a laminated, high-performance solar control product designed to reflect infrared rays while meeting all federal requirements for light transmittance.
ALL WINDSHIELDS ARE LAMINATED!
With the ability to reflect over 50 percent of the sun’s total energy, the Sungate windshield will never be mistaken for a conventional tinted windshield. In fact, it outperforms such products by 400 percent.
PROOF!
Heat Reduction Improves Fuel Efficiency
Because the Sungate windshield reduces infrared heat energy by 90 percent, it also cuts passenger time to comfort by up to 50 percent. While the air conditioning is operating, the Sungate windshield improves fuel efficiency by as much as 3 to 4 percent.
WITH ALL THE BENEFITS YOU WOULD THINK THE WINDSHIELD IS HEAVIER WOULDNT THAT MAKE THE CAR HEAVIER LOOSING MPG? AN I NEVER USE AIR CONDITIONER
Comfort and Protection by Design
The Sungate windshield incorporates a multi-layer transparent metal/metal oxide coating on the inboard surface of the outer glass. Silver coating layers reflect solar energy. Other layers control visible reflections and, at the same time, protect the silver layers from attack by chemicals or other environmental components.
MEH
Consumer Health Benefits
The windshield provides complete protection from extreme UV ultraviolet solar radiation, and therefore offers undisputed health benefits. As a result, the consumer experiences reduced risk of Melanoma skin cancer, Cataract eye damage, Migraine headaches, and many other difficult health conditions
WOW SO WITHOUT IT ILL GET MELONOMA?? HOW ON EARTH HAVE PEOPLE IN THE PAST LIVED WITHOUT A SUNGATE?? ID LIKE TO SEE A POSITIVE CORRELATION CHART WITH MELONOMA EYE DAMAGE AN "OTHER HEALTH CONDITIONS" FROM CARS WITHOUT SUNGATE AN WITH SUNGATE
Increased Driving Comfort
The Sungate windshield is virtually clear, yet provides all the benefit of dark tinted films. The sun’s IR infrared heat energy is rejected keeping a vehicle cooler and more comfortable, while maintaining the drivers crystal clear view of the roadway at all times. – a serious advantage in warmer climates.
PEOPLE GET TINT TO NET BE SEEN AND KEEP HEAT OUT
Enhanced Interior Protection
The same UV and IR rays that heat and damage our skin are also causes for the cracking, fading and other interior deterioration that occur as a vehicle ages. The Sungate windshield protects interior fabrics and other materials and helps maintain vehicle resale value.
SO DOES ARMOR ALL LOL
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My car has the Sungate Winshield, and if it gets damaged, I hope I can replace it with one. I like the idea of keeping the winsheild the same type it was built with.
There is one drawback: My GPS does not work in the front window. (Does not ever see the satellites)
PAYING MORE FOR LESS FUNCTION....I GET IT NOW.
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what i took from this is.... windshields are obviously better the more money you spend

. lol ill stick with my windshield i have now as long as it not cracked im good, i payed 170 for my last shield.... and i dont kno if it was sungate an dont care to find out. sorry if it seems like im bashing...hell i dont kno if the one im my car is now