I rarely see posts about shops advertising this phenomena to customers, because business-is-business, unfortunately. I, personally, can't stand it, and found it to be a visibility limitation. Some can live with the low-angle haze, or may count it as a compromise for needing the MOST IR rejection product, due to their climate/locale. I've seen this exist on these films: Llumar NXT (still in production), FormulaOne Stratos, and SunTek Evolve.
The haziness is exhibited due to the adhesive layer between the layers of window film during production. This is caused by the top-end films being a double-layer product - the film manufacturer layers two ceramic films together, to create a single bonded film for superior heat rejection. If you've ever had a high-performance window film installed and noticed a hazy appearance from the inside-looking-out, in sunny conditions, you've experienced low angle haze. HIGH PERFORMANCE CERAMIC WINDOW FILM - LOW ANGLE HAZE I prefer 50% for the additional heat rejection, as the windshield is a huge entry point for IR energy. I've used both 80% and 50% for windshields and I've never had a vision issue at night with a 50% film, even in the darkest areas. It creates a fantastic heat rejecting envelope, while maintaining nighttime vision and clarity and aesthetics, which is a huge requirement for me. I follow this "heat rejection recommendation" for all of my vehicles. All Rear Glass: Llumar AIR 80 and 3M Ceramic IR 70 - this brings the rear dyed glass VLT to around 20-21%, which is a very close match to 25%.Front Doors: Llumar IRX 25 or FormulaOne Pinnacle 25, 3M Ceramic IR 25.Windshield: Llumar AIR 80 (to maintain visibility), Llumar IRX 50, FormulaOne Pinnacle 50, 3M Ceramic IR 70/50.If you're focusing on heat rejection, here are my recommendations: If you're goal is for privacy and aesthetics, apply a 25% color-stable or lower-tier ceramic film to the front doors Model Y rear dyed glass (alike other models and manufacturers) rear glass measures around 23-27%. Where maximum heat rejection is required, no matter the cost.Top Tier Ceramics: Spectra Photosync IRD, 3M Crystalline (70-90% ONLY).Where heat rejection is priority, while maintaining vision clarity.Mid-to-high Tier Ceramics: Llumar AIR, Llumar IRX, FormulaOne Pinnacle, 3M Ceramic IR.Lower-Tier Ceramics: Llumar CTX, FormulaOne Comfort, 3M FX-PM.Best for privacy, or to color-match front "clear" glass to factory rear dyed glass.Color-stables: Llumar ATC, FormulaOne Classic, 3M Color Stable.Some ceramic films absorb heat more than others, which leads to glass feeling hotter, due to the stored solar energy in the film Ceramic window film does two things: rejects AND absorbs UV and IR.If you’re applying tint for heat rejection, every piece of glass must be covered to justify the additional cost for ceramic film (all side and rear glass and windshield excludes roof glass).If you’re applying tint for privacy, save money choose a lower-tier ceramic or color-stable film.SunTek color stable films are great, however ceramics pull blue on most automotive glass.
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