What is the difference between V-KOOL k14 and k15?

2 Answers
KennedyDella
09/08/25 3:16am
The differences between V-KOOL k14 and k15 are as follows: Different heat insulation: Both perform well, but X15 is slightly better, being a higher-grade top-tier film. Different colors: X15 leans towards black, while K14 has a greenish tint. Different appearances: K14 has more noticeable mirror-like reflection effects compared to X15. Different prices: Without considering the windshield, X15 is more expensive than K14. It can be seen that the main differences between V-KOOL X15 and K14 lie in their visual effects. X15 has better texture and more aligns with most people's aesthetic preferences. They are similar in other aspects, such as having basically the same light transmission and both offering a 5-year warranty.
Was this review help?
19
4
Share
KhloeMarie
09/20/25 2:04am
I've been choosing V-KOOL heat insulation film for several years. The main difference between K14 and K15 lies in light transmittance. K15 has 15% light transmittance while K14 only has 14%. Although the 1% numerical difference seems small, it actually affects real-world performance. K14 appears darker, providing a slightly deeper view from inside the car with stronger privacy protection, especially during intense summer sunlight when it offers better temperature control inside the vehicle. K15 is slightly brighter, giving marginally clearer visibility when driving at night, which helps reduce visual fatigue to some extent. Both models offer high heat insulation efficiency with identical 99% UV blocking capability and similar durability. The choice depends on personal preference - I've tried K15 on suburban night roads where it provides more peace of mind with less reflection when using high beams; K14 offers better privacy for urban use. The installer reminded me that too low light transmittance might violate some local regulations, but it's fine for side windows. V-KOOL's quality is reliable, just make sure it fits your budget. Price-wise, K14 is slightly more expensive, but both offer excellent overall value for money.
Was this review help?
11
1
Share
Expand All
More Forum Discussions

What to Do When the Brake Pedal Gets Harder to Press After Engine Shutdown?

Methods to restore brake pedal stiffness after engine shutdown: 1. Related to pressing the brake before shutdown: A car's braking system operates at maximum efficiency when the engine is running, with the brake booster being the key component that amplifies the force applied to the pedal. When the engine is off, the brake booster stops functioning. Typically, pressing the brake pedal three times will deplete its remaining vacuum assistance, making the pedal feel stiff due to the lack of booster support. 2. Brake booster air leak or malfunction: If the brake pedal becomes hard to press without prior braking after engine shutdown, or if this issue occurs while driving, it is likely due to a faulty brake booster.
4
5
Share

Who Are the Target Consumers of Cadillac?

Here is an introduction to Cadillac's consumer groups: 1. Customers who value cost-performance: Their budget for buying a car happens to cover the low-end Cadillac ATS or XTS. Few luxury brands fit this scenario, where Cadillac's brand advantage becomes evident due to its current attractive promotional offers. 2. Customers with limited budgets but a strong desire for prestige: As living standards improve, people's material demands increase. Everyone cares about prestige and wants to stretch their budget to own a luxury brand. Originally considering models like the Accord, Camry, or Passat, they may hesitate when discovering the substantial discounts on the Cadillac ATS. 3. Enthusiasts: Those who love the Cadillac brand or American cars. As a representative of American luxury automotive brands, Cadillac naturally gains recognition among consumers seeking a premium American car.
10
4
Share

Can a Corolla Last Twenty Years?

Corolla cannot last twenty years, with a normal service life ranging between 5 to 10 years. Relevant details about the Corolla are as follows: Body Dimensions: The Corolla measures 4635mm in length, 1780mm in width, and 1455mm or 1435mm in height. It is a compact car under FAW Toyota, equipped with either a 1.2T turbocharged engine or a 1.8L naturally aspirated engine. The engine features an L-type cylinder arrangement with 4 cylinders and 4 valves per cylinder. It comes with a 10-speed continuously variable transmission (CVT) and an electronic CVT. Suspension: The Corolla uses a MacPherson strut independent front suspension and an E-type multi-link independent rear suspension. The front brakes are ventilated disc types, which are more complex and costly to manufacture but offer better ventilation and faster cooling, significantly enhancing safety during long descents. The drivetrain is front-engine, front-wheel drive (FF), with electric power steering.
17
4
Share

Why can't the van accelerate?

It may be due to a damaged throttle pedal or an issue with the pedal actuator. There could also be a problem with the engine. Additional reference materials are as follows: 1. Engine: A machine capable of converting other forms of energy into mechanical energy, including internal combustion engines (such as gasoline engines), external combustion engines (such as Stirling engines, steam engines), and electric motors. For example, internal combustion engines typically convert chemical energy into mechanical energy. The term 'engine' can refer to either the power-generating device or the entire machine including the power unit (e.g., gasoline engine, aircraft engine). The engine was first developed in the UK, so the concept of an engine originates from English, with its original meaning referring to 'a mechanical device that generates power.' 2. Throttle in automotive engines: Generally controlled by a pedal, also known as the accelerator pedal, it is the device used to regulate fuel supply in vehicle engines.
9
4
Share

Do You Need to Press the Brake Pedal All the Way Down?

You don't need to press the brake pedal all the way down. For automatic transmission vehicles, you don't need to press the brake to start the engine unless the gear is in N (Neutral) and the handbrake is not engaged. For safety reasons, most automatic transmission cars are designed to start the engine only when the gear is in P (Park) or N (Neutral), and pressing the brake is not a mandatory requirement. Here is some additional information: 1. Automatic Transmission: As the name suggests, an automatic transmission does not require the driver to manually shift gears. The vehicle automatically selects the appropriate gear based on driving speed and traffic conditions. 2. Automatic Transmission Gears: Typically, an automatic transmission car has six gear positions, arranged from top to bottom as: P (Park), R (Reverse), N (Neutral), D (Drive), S (Sport), and L (Low). For general driving needs, using just the P (Park), R (Reverse), N (Neutral), and D (Drive) gears is sufficient.
9
3
Share

Why does the electric vehicle charger show a red light but make no sound?

This situation may be caused by a faulty charger that prevents charging, but it could also be due to a malfunction in the electric vehicle's battery. Below is some relevant information about electric vehicles: 1. Introduction: Electric vehicles first appeared on city streets in the 1880s, starting with trams, which were invented in 1881 by the German Werner von Siemens. At that time, trams had to run on fixed tracks because they relied on steel rails to form the power supply circuit, making them inconvenient in congested areas. 2. Classification: Electric vehicles are public transportation powered by electricity, with energy supplied from overhead power lines, and they are divided into two types: trolleybuses and trams.
3
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.