[Shop-talk] Dehumidifier suddenly freezing up

[Randall]

> a system that has already leaked down has nothing to recover.  

Not if it can still frost part of the condenser.

> Of course, check all the latest rules because they keep 
> changing them...

Good idea.  Here are the rules for stationary AC systems (which are
different than the rules for cars):

http://www.epa.gov/ozone/title6/608/608fact.html

The chances of getting caught are much lower working for yourself, but I
don't see anything that makes it legal.

-- Randall