How Many CO2 Cartridges Does an HVAC Tech Actually Go Through?
Planning a season of AC drain-clearing? A realistic look at 16g CO2 cartridge usage per call, per week, and per season — and when to switch to buying by the case.
Read →Guides & blog
Real-world answers from a shop that ships gas cartridges all day: which sizes fit what, how the pros use them, and how to get the most out of your gear.
Cream Chargers 101: Choosing N2O for Whipped-Cream Dispensers
A practical guide to food-grade N2O cream chargers for kitchens and cafés — 8g chargers vs large cylinders, how many you need, and how to store them. Culinary use only.
Read →Threaded vs Non-Threaded CO2 Cartridges: How to Tell Which Your Tool Needs
The most common CO2 ordering mistake isn't the size — it's the neck. Here's how to tell threaded from non-threaded in 10 seconds, and why they're not interchangeable.
Read →
Jun 2, 2026 Nitro Cold Brew at Home: The Nitrogen Setup That Actually Works
What you need to pour cascading nitro cold brew at home — nitrogen vs nitrous, cartridge sizes, keg vs dispenser, and common mistakes.
Read →
May 26, 2026 How to Clear an AC Drain Line with a CO2 Drain Gun (The 5-Minute Method)
Step-by-step guide HVAC techs use to blow out clogged condensate drain lines with a CO2 drain gun — no shop vac, no chemicals, no mess.
Read →
May 12, 2026 CO2 Cartridge Sizes Explained: 8g vs 12g vs 16g vs 45g (And Threaded vs Non-Threaded)
A practical guide to picking the right CO2 cartridge size for bike tires, drain guns, kegerators, life jackets, and airsoft — including the threaded vs non-threaded difference.
Read →