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Window Tints

I was wondering what the window tint level of the Model S is going to be out of the factory. While I understand that it has to be within legal limits, will it be maximum allowed so as to optimize inside-cabin energy conservation? I have never ordered a car from factory and I don't know if this usually is an option.

Wow, in the past five years I have enjoyed 3 surgical procedures for skin cancer - I do take vitamins too. But then again, I am not too bright, I drive a convertible sport car and the top is always down, the 70 lotion and hat are always on ... and yes, I am ordering the pano roof. Gotta have it.

About the colour: it looks very green on my screen, too. Whether that's due to the pano or to the side glass is hard to tell.

It is not green

@EFusco: During my last car purchase I was offered tint for my windows of varying amounts of darkness. All of them (including a film that didn't darken at all) blocked all UV.

If you want to darken the windows, do so. But you don't have to darken them at all to block all the UVA. (The UVB is blocked by glass, and I haven't yet seen specs on how much UVA is blocked by Tesla's glass.)

blurry_eyed, thanks; I appreciate the honest, straight-forward answer! I'm disappointed, but better now, than when they deliver the car. I like to have time to get used to an idea.

If I decide to tint my rear windows in my S, does anyone have recommendations for a shop in the SF Peninsula area (or even SF Bay area) that does a great job at tinting (i.e. no bubbles, no hint of edges, no long term issues, etc)?

I want to experience living with the stock windows before I actually decide on whether tinting is necessary, but need to be prepared in case I decide to do this.

@dahtye, I heard with the child booster option that they tint those rear ones for you, or was that just a UV coat for the kids so they don't get skin cancer when they are back there?

"I haven't yet seen specs on how much UVA is blocked by Tesla's glass."

I think the numbers have been changing over the last year or so, but the current numbers are "98% Visible Light, 81% Heat." I don't know where UVA vs. UVB comes into play in those numbers.

UVA and UVB is almost completely blocked by ordinary car safety glass, I don't think additional blocking is needed. Even normal window glass blocks most of the UV radiation.

The visible spectrum, from lower frequency toward higher, goes from red to violet. The infrared, lower than red, is the "heat" part. Anything that blocks that but allows visible light through is blocking the lower frequencies only.

If a block stops 98% of visible light, the easiest way to do that is usually by blocking 98% of anything close, so UVA and UVB (ultra violet being just above violet in the spectrum) may very well be blocked at about the same rate.

Normal glass blocks UVB pretty well. Between UVB and visible light is UVA. When making filters, it's pretty hard to make something that allows everything on one side of a line and disallows everything on the other. The line in question is the violet/UVA border. So any glass that allows violet to pass well (e.g., to keep the color of the sky true) is probably allowing some UVA through, too.

UVB will give you a tan. UVA won't, but it could give you skin cancer.

So, if you keep your windows and the roof closed, you won't get a tan while driving. If the specs on UVA blocking for all the glass all around the car are released, then we'll know. Until then, I'm assuming the pano roof, blocking "98%" of visible light being made of glass blocking UVB will block almost all UVA. I don't know about the UVA blocking on the front, back, or side window glass.

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