How Long Do Vape Coils Usually Last & When Should You Replace Them?

One of the most common questions we get at K Town Vapor is: “How long should my vape coil last?” Whether you're using a pod system or a sub-ohm tank, coils are essential to your device’s performance—and knowing when to replace them can save you from burnt hits, wasted juice, and frustrating vape sessions.

Generally, vape coils last anywhere from 5 to 14 days, depending on how often you vape, what wattage you're using, and the type of e-liquid you prefer. Heavy vapers or those using sweeter, thicker e-juices may need to replace coils more frequently, while moderate users with thinner liquids can often stretch a coil closer to two weeks.

So how do you know it’s time to swap yours out? The most obvious sign is a burnt or harsh taste—even with a full tank of juice. This usually means the cotton inside the coil has dried out or become too gunked up to function properly. You might also notice a drop in flavor or vapor production—if your hits feel weak or your favorite e-juice starts tasting flat, your coil may be past its prime.

Another red flag is leaking or spitback, especially if you've already checked your tank for tight seals. A worn-out coil can struggle to absorb liquid properly, leading to flooding or gurgling noises. You may also see darker e-liquid in your tank, which is a sign the coil is releasing residue into your juice.

To make your coils last longer, be sure to prime them before use (let the e-liquid soak in before hitting the fire button), stick to the recommended wattage range, and choose high-quality e-liquids from trusted brands—which we proudly carry right here in Kennesaw at K Town Vapor.

Replacing your coil regularly not only keeps your vape tasting fresh, but it also protects your device from long-term damage. Need help picking the right coil or figuring out how to install it? Our staff is always here to guide you step-by-step.