Window Tint Guide: Compare
Carbon vs Ceramic Window Tint: Which Is Better?
Most people shopping for tint today end up choosing between two films: carbon and ceramic. Both look like a clean charcoal shade, both block UV, both avoid the purple fade of old dyed tint, and neither contains the metal layers that can make film look shiny. The difference is mostly about heat, and about price.
This guide explains what each film is made of, what that means on a hot July afternoon in the Upstate, and how to decide whether the step up to ceramic is worth it for you.
The short answer
Ceramic tint is better at keeping a car cool, because its nano-ceramic particles reject more of the sun's infrared heat at the same shade. Carbon tint is the value choice: a stable charcoal color that does not fade to purple, good privacy and glare control, and UV blocking, at a lower price. If heat is your main complaint, choose ceramic. If you mostly want the look and privacy, carbon does the job.
Key points
- Carbon film gets its color from carbon particles built into the film, so the shade stays true instead of fading or turning purple.
- Ceramic film uses nano-ceramic particles that target infrared heat, so it keeps the cabin cooler without needing the darkest shade.
- Both are non-metal films, so neither has the mirror-like shine of metallized tint.
- Both are limited by the same South Carolina rule: 27% combined light transmission on regulated windows.
- At The Auto Show, LLumar Carbon starts at $125.99 and LLumar Ceramic at $199.99 for the two front side windows.
Carbon film
What carbon tint is and what it does well
Carbon film colors the polyester with carbon particles built into the film instead of a dye printed or coated on the surface. Carbon is a very stable pigment, which is why carbon films hold a true charcoal shade for years rather than drifting toward purple or brown the way cheap dyed films can.
Carbon absorbs visible light well, so it gives the dark, matte look most people want, cuts glare, and adds privacy. It also absorbs some of the sun's heat. What it does not do as well as ceramic is selectively reject infrared, the invisible part of sunlight that you feel as heat on your arm.
One carbon film maker describes its product as a two-layer, true carbon film with no dyes and no metals, and warns buyers about dyed films that only have a carbon coating. When you compare carbon films, it is worth asking whether the color is carbon throughout or a dyed film with a carbon layer.
Ceramic film
What ceramic tint is and why it runs cooler
Ceramic film embeds microscopic nano-ceramic particles in the film. LLumar describes its ceramic tint as ultra-thin film embedded with microscopic nano-ceramic particles, and says all ceramic tint can reject the sun's most heat-causing infrared rays. Newer ceramic films with more concentrated particles reject even more, which is why they are sometimes marketed as infrared or IR tint.
The practical result is that a ceramic film can reject meaningfully more heat than a non-ceramic film of the same darkness. You do not have to go darker to get cooler, which matters in South Carolina, where the darkest shade allowed on regulated windows is fixed by law.
Ceramic particles do not conduct electricity the way metal layers do. LLumar describes its CTX ceramic film as offering excellent heat rejection without blocking electronic signal transmission, so phones, GPS, keyless entry and toll tags behave normally.
By the numbers
How much more heat does ceramic reject?
The number to compare is total solar energy rejected (TSER), which counts visible light, infrared and UV together. Infrared rejection figures alone can look dramatic, but TSER is closer to what you feel.
LLumar's published performance data shows the pattern clearly at a similar shade. Its color-stable dyed ATC 35 film lists 38% visible light transmission and 35% TSER. Its CTX 35 ceramic film lists 37% visible light transmission and 48% TSER. Its IRX 35, a more concentrated infrared-rejecting ceramic, lists 39% visible light transmission and 54% TSER. Same darkness, very different heat.
Those are LLumar's lab figures for those specific products, measured on single-pane clear glass under NFRC guidelines, and LLumar notes actual performance varies with glass type. They are shown here to illustrate the gap between ceramic and non-ceramic film, not as the specs of any particular installed film. Ask for the spec sheet of the exact product and shade you are quoted.
Head to head
Carbon and ceramic compared point by point
- Heatceramic wins
- Ceramic rejects more infrared heat at the same shade, so the cabin heats up more slowly in the sun and the AC catches up faster.
- Color stabilitytie
- Both hold a true charcoal color. Neither relies on surface dyes that fade or turn purple.
- UVtie
- LLumar rates its films to block up to 99% of UV rays. UV blocking is not the reason to choose one over the other.
- Glare and privacytie at the same shade
- Glare and privacy come mostly from darkness. A carbon and a ceramic film of the same visible light transmission look and feel similar in this respect.
- Electronicstie
- Neither is a metallized film, so neither is the type associated with signal problems.
- Pricecarbon wins
- Carbon costs less. At The Auto Show, LLumar Carbon starts at $125.99 and LLumar Ceramic at $199.99 for the two front side windows.
Who should choose what
Which film suits which driver
- Choose ceramic if you park outside at work, have a long sunny commute on I-85 or US-76, or the sun on your arm and leg bothers you.
- Choose ceramic if you want a lighter shade but still want real heat control, since it does not rely on darkness for comfort.
- Choose ceramic if you have a dark interior, leather seats or a large back glass that turns the cabin into an oven.
- Choose carbon if your main goals are the look, privacy for belongings, and less glare.
- Choose carbon if the car is garaged most of the time, you drive mostly short trips, or budget is the deciding factor.
- Choose carbon if you might sell the car soon and want a clean, legal tint at the lowest cost.
Law first
The legal limit is the same for both
South Carolina's statute, S.C. Code Ann. § 56-5-5015, sets the darkness limit by combined light transmission, not by film type. For the front side windows and, on most cars, the windows behind the driver, the film plus the factory glass must let through at least 27% of visible light. The film must also be nonreflective, and it may not be red, yellow or amber. On the windshield, a sunscreening device may only run along the top, above the AS1 line.
Rear windows behind the driver on multipurpose passenger vehicles, such as most SUVs and many vans, are exempt from the light transmittance requirement under subsection (I), but pickups are not. Because factory glass already absorbs some light, the right film shade depends on your car. The Auto Show checks the legal shade for your vehicle before installing, and every tinted window gets the South Carolina certificate of compliance sticker.
Price
What the step up to ceramic costs
On the two front side windows, the difference at The Auto Show is $74 at starting prices: $125.99 for LLumar Carbon and $199.99 for LLumar Ceramic. For full-vehicle coverage, ask for a quote, since the price depends on the vehicle and the number of windows.
Think about how long you will keep the car and how much of the year it sits in the sun. Across several South Carolina summers, the difference in comfort is felt every day the car is parked outside. If the car lives in a garage and makes short trips, carbon gives you most of what you want for less.
| Carbon | Ceramic | |
|---|---|---|
| How it gets its color | Carbon particles built into the film | Nano-ceramic particles in the film |
| Heat rejection | Good, mostly by absorbing light | Higher, targets infrared heat |
| Color over time | Stays true charcoal | Stays true charcoal |
| UV blocking | LLumar rates its films up to 99% | LLumar rates its films up to 99% |
| Signal interference | None expected (no metal) | None expected (no metal) |
| Reflective look | No | No |
| The Auto Show, two front side windows | From $125.99 (LLumar Carbon) | From $199.99 (LLumar Ceramic) |
| Best for | Look, privacy, budget | Heat, comfort, lighter shades |
Full-vehicle pricing is by quote. Legal shade is checked for your vehicle before installation.
Choose your film
Book LLumar Carbon or LLumar Ceramic for your two front side windows online, or request a quote for the whole vehicle. We check the legal shade for your car first.
Common questions
Is ceramic tint darker than carbon tint?
Not necessarily. Both come in a range of shades, and darkness is set by visible light transmission, not by film type. A ceramic film can be lighter than a carbon film and still reject more heat, because ceramic particles target infrared rather than relying on darkness alone.
Does carbon tint turn purple?
Carbon film is designed not to. The color comes from carbon particles built into the film rather than from a surface dye, and carbon is a stable pigment. Purple, faded tint is usually a sign of an older or low-grade dyed film whose dyes have broken down.
Can I feel the difference between carbon and ceramic?
Most people notice it most when the sun is hitting them directly through a side window, such as on a long drive with the sun low on one side. Ceramic reduces that radiant warmth on your skin more. In shade or at night, the two feel the same.
Can I mix ceramic on the front and carbon on the back?
Some owners consider putting the better heat rejection where they sit. Two different films can look slightly different side by side even at a similar shade, so ask us whether a mix makes sense for your vehicle when you request a quote.
Does ceramic tint interfere with my phone or GPS?
Ceramic film contains no metal layers. LLumar describes its CTX ceramic film as providing heat rejection without blocking electronic signal transmission. Signal problems are associated with metallized films, not ceramic or carbon.
Keep reading
Sources
- Ceramic Window Tint, LLumar / Eastman Performance Films (https://llumar.com/en/tint/ceramic/), accessed October 2026
- CTX Ceramic Window Tint, LLumar / Eastman Performance Films (https://llumar.com/en/tint/ceramic/ctx/), accessed October 2026
- LLumar Window Film Performance Data, automotive (LL0116NAEN, 03/26), Eastman Performance Films (https://llumar.com/content/dam/eastman/performance-films/llumar/documents/LL0116NAEN_AutoSpecs_screen.pdf), accessed October 2026
- Automotive Window Tint Frequently Asked Questions, LLumar / Eastman Performance Films (https://llumar.com/en/resources/automotive-window-tint-frequently-asked-questions/), accessed October 2026
- MonoCarbon Window Tint, Rayno Window Film (https://raynofilm.com/product/monocarbon/), accessed October 2026
- Window Film Frequently Asked Questions, LLumar / Eastman Performance Films (https://llumar.com/en/resources/architectural-film-frequently-asked-questions/), accessed October 2026
- S.C. Code Ann. § 56-5-5015, South Carolina Legislature (https://www.scstatehouse.gov/code/t56c005.php), accessed October 2026
Prices on this page are The Auto Show’s published starting prices. Film ratings and warranty terms come from the manufacturer. This guide explains South Carolina law in plain words; it is not legal advice.