this post was submitted on 20 Dec 2025
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Might just be a home user regassing his air conditioner. Air duster is usually just r410a
I'm not sure where you're getting your air duster but none of the stuff I've seen is R-410a. It's usually R-134a or R-152a. R-410a would be a much higher pressure. Trying to run an R-410a system on either of those refrigerants would not work out well.
Also even if they are full of whatever refrigerant you need, they aren't even close to pure enough to use in an AC system. I'm also not sure how you'd get it out of the can and into the system. You would need to make some sort of custom piercing tap or adapter for the can.
Yeah you’re right, r134a was what I was thinking of. I had to look for it when regassing the car but just ended up going with hychill
It's 152a, difluoroethane. It's never 410a or 134a.
Really? I think air duster is usually just pure CO2 (the ones without HFC at least)
CO2 is 750+ psi at room temperature. A pressed sheet steel can is typically less than 100psi.
If you don't use a liquid propellant, the pressure will drop a lot as you use it. The effect is worse the fuller the can is.
https://www.justrite.com/understanding-aerosol-propellants
https://science.howstuffworks.com/innovation/everyday-innovations/aerosol-can3.htm
It's compressed CO2, not liquid CO2.
They marketed is as a non flammable non HFC air duster which you can hold upside down, often with something like 360 or something in the name. Since it's just compressed gas, it doesn't spray a liquid like the HFC ones do.