What Is IR Rejection in Window Tint and Why Does It Matter?
Dubai heat can turn your car into an oven before you even get into it. For this, many people install darker window tint, thinking that it can improve privacy and reduce glare, but you cannot determine its ability to block the heat just based on its darker shade. What matters the most is how much the film can keep the solar energy out, particularly the infrared energy.
For this, the IR rejection plays an important role; it measures the amount of infrared energy that passes through the glass, which helps to cool down the interior temperature of the cabin. If you are also looking for car tinting in Dubai, then understanding the IR rejection, UV protection, and the amount of solar energy to enter can help you to choose the best option for your car.
What Is IR Rejection in Window Tint?
IR rejection is the total percentage of the infrared energy that the window tint can block. The infrared rays pass through the glass of your car and are one of the reasons that makes the interior of your car so hot. A high-quality window tint can help to block the heat that is coming through the glass and makes the interior very cool and comfortable; you can clearly feel the difference when you are driving your car in peak summer, and you have parked your car directly under the sunlight.
However, the IR rejection is not the only thing to consider. Numbers like 99% IR rejection can be different based on how and where the film was tested. Two films with similar IR ratings may provide different levels of heat protection.
Why Does Infrared Rejection Matter in Dubai?
For those who are searching for high-quality window tinting in Dubai, heat management is the biggest thing and the most important that you should first check in a quality film. If we talk about the heat in the UAE, it is very hot and can make the interior very hot and can also damage the interior of the car.
When you enter from outside and get into the car, even though the air conditioning is working, it is still very hot, and it takes time to get to a normal temperature. A film is particularly designed to reject the infrared energy that can help to reduce the solar energy that is coming from the windows.
After installing the film, you can see these visible results:
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Less heat coming from the windows
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More comfortable cabin during the drive
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Reduced heat that has entered the interior surface
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The air-conditioning will work better
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Overall comfortable journey
For car window tinting, do not choose the car based on the dark film only. A lighter and modern film can sometimes work way better than the darker film.
IR Rejection vs VLT: What Is the Difference?
The biggest mistake that buyers usually make is buying a darker film and then thinking that it will reject the heat more, but in reality, the darkness and infrared rays are two different things. Here’s the table below for your better understanding:
|
Specification |
What it measures |
What does it mean |
|
VLT(Visible Light Transmission) |
The amount of visible light that enters the glass |
A lower VLT signifies that the film will be in a darker shade, and a higher VLT means a lighter shade of the film |
|
IR Rejection |
The amount of infrared energy that the film rejects |
Higher IR rejection can help to reduce the heat entering the vehicle, but it does not make the film darker |
|
Film Construction |
The material and the technology that is used to make the film |
Ceramic, carbon, metallic, and dyed film can offer different levels of heat rejection, clarity, durability, and appearance. |
That’s why choosing a window tint film just based on its shade may not give you the result that you wanted. If you want to reduce the heat, always check the film specifications as well as it’s appearance.
Is Higher IR Rejection Always Better?
No, not necessarily; a higher IR rejection number can be helpful, but you cannot consider it just based on this one thing. Different brands measure the IR rejection in various ways. Some may test it only based on the infrared range, but not the full range of solar energy.
To measure all of this, TSER is important. TSER (Total Solar Energy Rejected) shows how much the film is capable of rejecting solar energy, which also includes the infrared light and other wavelengths.
If you are comparing automotive window tint, TSER can help you choose a better option for how well the film can reduce heat. Check it all together with the IR rejection, VLT, UV rejection, and the type of film.
IR Rejection vs TSER: Which One Should You Check?
Here’s a table below that can clear up your major differences between the two:
|
Specification |
What it measures |
Why it matters |
|
IR Rejection |
How much the film is capable of rejecting the infrared energy. |
Helps to reduce the heat that is entering the vehicle |
|
TSER |
How much the film is capable of rejecting the solar energy |
Performance for the overall heat-rejection |
|
VLT |
How much visible light passes through the film |
Defines the different shades of the film, brightness, visibility, and the privacy level |
|
UV Rejection |
How much the film can block the ultraviolet radiation |
Helps to reduce UV exposure and protects the vehicle interior |
If you are also searching for comfort and want to protect the interior of your car, then you should compare the TSER with the IR rejection, not just based on the higher percentage. When comparing auto window tint options, a film that has a lower IR rating but a higher TSER rating can reduce the overall heat and can be the best option for your car.
Does Darker Window Tint Reject More Heat?
No, a darker film does not mean that it can block more heat. The darker film can only make the glass look darker by absorbing more visible light. It can reduce the brightness and the glare, but may not provide the overall heat rejection.
The modern ceramic film works very differently; it can block a huge amount of solar energy while the glass will still remain clear. This means that you can choose the lighter tint and get an overall clear and good heat rejection.
If you are searching for an automotive window tint in Dubai, then the best film should be the one that gives a good balance of everything: appearance, visibility, privacy, and heat protection. Do not choose the film only based on the darker shade; you should always ask for the VLT, IR rejection, TSER, UV rejection, and all so that every drive becomes comfortable.
Ceramic Films and Infrared Rejection
Here’s the table below that gives you the full comparison:
|
Film Type |
Heat Rejection |
Clarity |
Durability |
Appearance |
Key Factor |
|
Dyed |
Low to moderate |
Good |
Moderate, but may fade |
Dark, non-reflective |
Suitable for privacy |
|
Metallic |
Moderate to high |
Good, but might be reflective |
High |
Slightly reflective or shiny effect |
May interfere with the radio, GPS or mobile signals |
|
Carbon |
Moderate to high |
Good |
Better colour stability than the dyed film |
Matte and dark |
Gives a balanced appearance and heat control |
|
Ceramic |
High |
Excellent |
High |
Clear to dark |
Provides strong IR rejection without the dark shade. |
What Should You Look for When Choosing a Film?
Before choosing the right window tint, you should always look at the test and the sheet of the film rather than the marketing claims and the shade of the film. Here are some of the main factors that you should always check before choosing one:
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IR Rejection
Always check how much solar energy the film can reject and also understand the test that measures how much energy it can reject.
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TSER
TSER will give you a better understanding of how much solar energy the film can reject and is it is really useful for overall heat control performance.
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VLT
Choose a VLT that provides better visibility, privacy, and appearance.
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UV Protection
High-quality film can provide strong UV protection, which helps to reduce exposure to ultraviolet radiation and helps to protect the interior for a longer time.
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Film Technology
You have to check if the film is dyed, carbon, ceramic, or metallic because different technologies play different roles, so you have to choose according to it.
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Installation Quality
Even a good-quality film needs to be installed in the correct way. Poor preparation can cause and create bubbles, peeling, and other problems on the surface.
Is IR Rejection Important for Every Driver?
Yes, it is very useful for drivers who spend a lot of time driving and for those who park their vehicles outside for a longer period of time.
If you drive less and your car is usually parked indoors, then you may be more worried about privacy instead of the appearance. You cannot select the best window tint based on how dark the film is; choose a film that offers good and better qualities. If you are searching for the best car tinting in Dubai, comparing these features can be very helpful for you to choose a film that suits best in Dubai’s hot climate.
Common Mistakes One Should Avoid When Buying Window Tint
These are some of the most common mistakes that you should avoid while comparing the films with each other, and buying a new film for yourself:
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Choosing the film based on the darkness: A darker shade does not mean stronger heat protection.
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Focusing on 99% IR: This data is not always trustworthy; always ask how this data was measured.
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Ignoring the TSER: IR rejection helps to reject the infrared energy, while the TSER helps to reject the solar energy entering the cabin
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Forgetting the VLT: Heat performance is very important, but along with all these, the visibility and the legal requirements are also a must
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Installation: A proper installation is very important for the proper result
Conclusion
IR rejection is helpful in rejecting the heat that enters the car through the window, which makes the interior of the car comfortable even in strong sunlight. When choosing the right window tinting in Dubai, do not just buy the film because it has a darker shade; always choose a film that has IR rejection, TSER, VLT, and UV protection.
Just like the film is important for protecting the interior of your car, the installation, always choose a good and better installation for your car at Detail Empire. You can find professional automotive protection and detailing products that will give you the best results.
Want to know more about window tint? Contact Us
FAQs on IR Rejection in Window Tint
Q. What does the IR rejection mean in a window tint?
IR rejection means how well a window tint can block the rays of the sun from entering the cabin. Higher IR rejection can help you to keep the car cooler and more comfortable.
Q. Does a darker window tint block more heat?
No, a darker tint blocks the visible light, but not the UV rays of the sun. A good quality of film can block a lot of heat without even being dark.
Q. What is the difference between IR rejection and TSER?
IR rejection tells you how much heat the film can block, and the TSER tells you how much total solar energy the film can block from entering the cabin.
Q. Is ceramic window tint good for Dubai?
Yes, the ceramic window tint can be a good choice for Dubai because it can block a huge amount of heat and infrared energy from entering the cabin.
