Why is airflow important when you vape?

If you’ve ever looked closely at your pod kit or sub-ohm tank, you’ve likely noticed a small sliding toggle or set of tiny holes near the base or mouthpiece. That is your vape airflow adjustment—and while it might look like a minor feature, it actually plays a massive role in how your vape feels, tastes, and performs.

Whether you're completely new to vaping or looking to fine-tune your setup, having vape airflow explained can help you dial in the exact draw, flavour intensity, and cloud size you want.

Updated: 03/08/2026 - Gavin Hardy

What Does Airflow Do on a Vape?

At its most basic level, what does airflow do on a vape? It controls how much fresh air mixes with the vapour created by your coil when you take a drag.

When you open or close your airflow vape vents, you directly impact three key factors:

• Temperature: More air cools the vapour down; less air keeps it warm.
• Flavour Intensity: Concentrated airflow enhances rich flavour notes, whereas open airflow creates a lighter, airier taste.
• Vapour Production: Increased air yields bigger, denser clouds, while restricted air produces discreet, cigarette-like puffs.

More or Less Airflow Vape: Which Is Right for You?

Choosing between more or less airflow vape settings comes down to your personal vaping style and whether you prefer Mouth-to-Lung (MTL) or Direct-to-Lung (DTL) drawing.

1. Restricted Airflow (Tight Draw / MTL)

Closing down your airflow vape vents limits the amount of fresh air entering the chamber.

• The Sensation: A warm, punchy draw with a firm throat hit that closely mimics a traditional tobacco cigarette.
• The Flavour: Highly concentrated and rich, making it ideal for 50/50 e-liquids and nic salts.
• Best For: Beginners, discreet pod kits, and high-resistance coils (0.8Ω and above).

2. Open Airflow (Loose Draw / DTL)

Opening your vents wide allows fresh air to rush over the coil as you inhale.

• The Sensation: A cool, smooth inhale directly into the lungs with minimal throat irritation.
• The Flavour: Slightly lighter and milder, but paired with massive cloud output.
• Best For: Sub-ohm devices, high-VG e-liquids (70/30), and low-resistance coils (0.6Ω and below).

Does More Airflow Use More Juice?

One of the most common questions new vapers ask is: does more airflow use more juice?
The short answer is yes—indirectly.

While air itself doesn't burn through liquid, running more airflow usually requires higher power (wattage) settings and sub-ohm coils to keep vapour production satisfying. Higher wattage vaporises e-liquid at a significantly faster rate to produce those larger clouds. If you want your 10ml bottle or pod to last as long as possible, keeping your airflow restricted on a lower-wattage MTL setup is much more economical!

Is More Airflow Better for Vaping?

So, is more airflow better for vaping? Not necessarily! There is no single "best" setting—it all depends on what you want out of your vape:

• Go for MORE airflow if: You love blowing big clouds, prefer a cooler vape, or use low-nicotine (3mg–6mg) high-VG e-liquids.
• Go for LESS airflow if: You want a stronger throat hit, prefer warm vapour, want maximum flavour intensity, or are using high-strength nic salts to stay off cigarettes.