Not all window tint is the same. From basic dyed film to advanced nano ceramic technology, understanding the differences helps you make a smarter investment for your vehicle.
When Seattle and Everett drivers come to us asking about window tint, one of the first things we explain is that "window tint" is not a single product. It is a category that spans several distinct technologies — and the differences in performance, durability, and value are substantial. The film you choose will affect how much heat your car blocks, how long the tint lasts, whether it interferes with your electronics, and how it looks five years from now.
This guide explains every major type of automotive window tint film — what the technology is, how it performs, who it is right for, and what we recommend for vehicles in Western Washington.
Automotive window tint films fall into four primary categories based on the technology used to achieve their optical and thermal properties. Understanding each one makes it much easier to evaluate your options.
Dyed film is the oldest and most basic form of automotive window tint. A layer of dye is applied between the adhesive layer and a protective outer coating. The dye absorbs some solar energy and darkens the glass, providing basic privacy and some reduction in visible light glare.
What it does well: Dyed film is inexpensive and provides privacy at low cost. It gives windows the classic dark appearance that most people associate with tinted cars.
Where it falls short: Dyed film offers minimal heat rejection because it absorbs rather than reflects or blocks infrared radiation. The absorbed heat actually re-radiates into the cabin, which limits its effectiveness on hot days. The dye also fades over time with UV exposure, turning purple or discolored within a few years. It provides minimal UV protection.
Our position on dyed film: We do not offer dyed film. Its performance limitations and tendency to fade make it a poor long-term investment. The products we offer all deliver meaningfully better performance and longevity.
Metallic films use tiny metal particles embedded in the film to reflect solar radiation. Because they reflect rather than absorb heat, they provide better heat rejection than dyed films and are more durable — the metal particles do not fade the way dye does.
What it does well: Metallic film provides better heat rejection than dyed film and has a distinctive reflective, shiny appearance that some drivers prefer.
Where it falls short: The metal particles in metallic film interfere with wireless signal transmission. GPS navigation, cell phone calls and data, Bluetooth, radio reception, and keyless entry can all be affected or blocked. In 2026, with nearly every modern vehicle relying heavily on wireless connectivity, this is a disqualifying drawback.
Our position on metallic film: We do not offer metallic film. The signal interference issue is not acceptable for modern vehicles. Our non-metallic options deliver superior heat rejection without touching your electronics.
Carbon film uses carbon particles instead of metal or dye. Carbon is highly effective at absorbing infrared radiation, providing solid heat rejection without any of the signal interference that metallic films cause. Carbon film is completely non-metallic.
What it does well: Carbon film delivers solid heat rejection, excellent UV protection, a distinctive matte dark finish, and no signal interference. It does not fade over time the way dyed film does. It is durable and cost-effective.
Performance specs at Compass Window Tinting:
Carbon film is our entry-level offering and it is genuinely excellent for drivers who want solid performance at a competitive price. For drivers in the Puget Sound area who are budget-conscious or plan to sell their vehicle within a few years, Carbon Film represents great value.
Ceramic film replaces carbon particles with nano-ceramic particles — tiny inorganic compounds that are highly effective at blocking both infrared and UV radiation. Ceramic is non-metallic and non-conductive, meaning it has zero effect on wireless signals. The ceramic particles also maintain exceptional optical clarity.
Ceramic film is available in two tiers at Compass Window Tinting:
Our standard ceramic tier represents a significant performance step above Carbon Film. The nano-ceramic construction provides stronger heat rejection, blocks 99% of UV rays, and comes with a lifetime warranty — versus the 10-year warranty on Carbon Film.
Nano Ceramic+IR adds a dedicated infrared rejection layer to the ceramic base, pushing heat rejection up to 90% of incoming IR radiation. It also adds scratch resistance to the film surface — a meaningful durability upgrade for high-use windows. This is the best-performing automotive window film available.
For an in-depth comparison of all three tiers, read our Carbon vs Ceramic vs Nano Ceramic+IR guide. For complete pricing including windshield options, see our window tinting cost guide.
| Film Type | Heat Rejection | UV Protection | Signal Safe | Fading | Warranty | Available at CWT |
|---|---|---|---|---|---|---|
| Dyed | Low | Low | Yes | Yes — purples/fades | Short | No |
| Metallic | Moderate | Moderate | No — interferes | No | Moderate | No |
| Carbon Film | Good | Excellent | Yes | No | 10 years | Yes — $350/sedan |
| Ceramic Film | Very Good | 99% | Yes | No | Lifetime | Yes — $550/sedan |
| Nano Ceramic+IR | Up to 90% | 99% | Yes | No | Lifetime | Yes — $599/sedan |
*Sedan prices are for sides & back windows. Windshield not included. Exceptions may apply.
At Compass Window Tinting, we made a deliberate choice not to offer dyed or metallic film. Here is the reasoning:
Dyed film fades. Within 2–3 years under Pacific Northwest sun exposure, dyed film loses its color uniformity and turns purple or blotchy. We do not want to install a product that we know will look bad in a few years.
Metallic film kills signals. Modern vehicles — particularly EVs, connected cars, and any vehicle with GPS, backup cameras, or TPMS — cannot afford signal interference from metallic tint. We will not install a product that degrades your vehicle's functionality.
Carbon, Ceramic, and Nano Ceramic+IR are simply better products in every dimension that matters: performance, longevity, appearance, and electronics compatibility. Offering only products we stand behind means our customers get consistently excellent results.
The right choice depends on your priorities, budget, and how long you plan to keep the vehicle.
Choose Carbon Film if: You want solid performance at a competitive price, you like the distinctive matte dark look, and a 10-year warranty meets your needs. Best for budget-conscious buyers or those who trade vehicles every few years. Starts at $350 for most sedans.
Choose Ceramic Film if: You want a lifetime warranty, 99% UV protection, and superior heat rejection over Carbon Film. The $200 upgrade from Carbon Film buys you meaningfully better performance and lifetime coverage. Starts at $550 for most sedans.
Choose Nano Ceramic+IR if: You want the maximum available heat rejection (up to 90% IR), scratch resistance, lifetime warranty, and do not want to leave any performance on the table. At just $49 more than Ceramic Film on most sedans, it is the best value at the top end of our range. Starts at $599 for most sedans.
Not sure which is right for you? Our guide to choosing the right tint percentage covers another key decision factor — tint shade — that works alongside your film type selection.
All three of our film types are available in the following VLT (Visible Light Transmission) percentages: 5%, 15%, 20%, 35%, 50%, and 70%. Lower percentages mean darker tint.
Washington state law requires a minimum of 24% VLT on front side windows. We measure your factory glass VLT before installation to ensure your final tint meets legal requirements. For full details on Washington's tint laws, see our WA tint laws guide.
The film type matters, but so does the installation. Even the best film will underperform if it is cut improperly, installed with contamination under the film, or peels at the edges. At Compass Window Tinting in Everett, our certified technicians use precision vehicle-specific templates and install every film in a controlled environment.
We serve drivers throughout Seattle, Everett, and all of Western Washington. Visit us at 14531 51st Ave SE, Everett, WA 98208, call (425) 988-9877, or request a free quote online.
We offer three film tiers: Carbon Film (starting at $350 for most sedans, 10-year warranty), Ceramic Film (starting at $550 for most sedans, lifetime warranty), and Nano Ceramic+IR (starting at $599 for most sedans, lifetime warranty, up to 90% IR heat rejection). All three are non-metallic and GPS/cell safe.
Nano Ceramic+IR provides the highest heat rejection, blocking up to 90% of infrared radiation. It is the top-tier option for drivers in Seattle, Everett, and Western Washington who want maximum cabin cooling.
Yes, metallic window tint can interfere with GPS, cell signals, and other wireless systems because the metal particles reflect radio waves. This is why we do not offer metallic film — our Carbon Film, Ceramic Film, and Nano Ceramic+IR are all non-metallic and safe for modern electronics.
Quality window tint installed by a professional shop will last many years. Our Carbon Film comes with a 10-year warranty. Both Ceramic Film and Nano Ceramic+IR come with lifetime warranties, meaning the film is covered for as long as you own the vehicle.