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Suntek UV ES film - anyone use it??


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I was looking at their site for some specs and saw a newish film called Ultra-Vision ES.... supposed to compete with Visa's Enerlogic...

Anyone use it??

Specs:

VLT - 45%

TST - 27%

TSR - 29%

TSA - 44%

VLR - int - 24%

ext - 24%

Winter U-Value - 1.00

UV - 99%

Glare - 49%

Shading Coefficient - 0.43

SHGC - 0.38

IR Rejected @ 980nm - 85%

TSER - 62%

My guess is it would be long the lines of VEP35 maybe???

Looks like it has a blusish hue to it... it's a CDF film...

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Their 'normal' UV film, say the UV-40, has a winter u-value of 1.04....

Vista's VEP35 has a w-u-value of 0.60....

I understand what the u-value is.... but is there a formula using temps to show it's effect??

Like... say it's 25 outside and the inside room temp is 72. What's the transfer of a non-filmed window compared with either of those films applied??

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Winter U-Value - 1.00
:unsure:

That dog won't hunt. :twocents

Not in the winter, but the SC of 0.43 against the VLT of 45% is very respectable. Technically, that's a spectrally selective film. Not bad !!

-Howard

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Their 'normal' UV film, say the UV-40, has a winter u-value of 1.04....

Vista's VEP35 has a w-u-value of 0.60....

I understand what the u-value is.... but is there a formula using temps to show it's effect??

Like... say it's 25 outside and the inside room temp is 72. What's the transfer of a non-filmed window compared with either of those films applied??

The transfer is the emmisivity number. The lower, the better. As far as temperature calculations, you can find a bunch of informal stuff on Youtube but you would have to run some pretty sophisticated energy simulation software and even then I doubt it will give you an approximate interior ambient based on outside ambient. :twocents

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Their 'normal' UV film, say the UV-40, has a winter u-value of 1.04....

Vista's VEP35 has a w-u-value of 0.60....

I understand what the u-value is.... but is there a formula using temps to show it's effect??

The transfer is the emmisivity number. The lower, the better. As far as temperature calculations, you can find a bunch of informal stuff on Youtube but you would have to run some pretty sophisticated energy simulation software and even then I doubt it will give you an approximate interior ambient based on outside ambient. :twocents

I was thinking more along the lines if a customer were to ask... so something fairly simple for them to understand.

True - it does not compete with Enerlogic. Are you sure it is designed to? Not with that U-value.

-Howard

No. My mistake. I could have sworn I saw someplace that it was... but looking on their site just now nothing states that it's supposed to. So either I just assumed, or I thought I read it someplace and didn't.

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True - it does not compete with Enerlogic. Are you sure it is designed to? Not with that U-value.

-Howard

No. My mistake. I could have sworn I saw someplace that it was... but looking on their site just now nothing states that it's supposed to. So either I just assumed, or I thought I read it someplace and didn't.

Nah Roach is right that's how they are pushing it.

I was on the phone with someone from suntek and they said something about the ES film, so I asked about it because I was not familiar with it. They said plain as day it was meant to compete with enerlogic. :dunno Got a couple samples and saw the uvalue was not quite what I was expecting to see.

(this was about 2-3 months back I believe)

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Perhaps it's competing with the Enerlogic solar performance (traditional solar control properties). As far as the winter U-Value, there is no comparison. Perhaps someone can post the side-by-side data here.

-Howard

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This is by NO means complete.... just what I noted. You can find this info on both their sites.... I was looking at the VEP35 due to the closeness of the VLT with the UV-ES.

Suntek UV-ES Vista VEP35

VLT - ............... 45% .......... 33%

TST - ............... 27% .......... 19%

TSR - ...............29% .......... 49%

TSA - ............... 44% .......... 32%

VLR - Int - .......... 24% ......... . 49%

ext - ................. 24% .......... 30%

Winter U-Val - ..1.00 .......... 0.60

UV - .................. 99% .......... 99%

Glare - ............... 49% .......... 63%

Shading Coe -....... 0.43 .......... 0.28

SHGC - ............... 0.38 .......... 0.24

IR Rej @980 -..........85%

TSER -............... 62% ......... 76%

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