The Church A/C article over to the right....
If you have looked at the full article and the pictures of the crime scene, did you notice something else that is probably against code ( and good practice)? Also, I have seen some recently patented alarms for helping prevent this type of theft that it may be helpful to inform the congregation of their existence
The Steam Whisperer (Formerly Boilerpro)
Chicago's Steam Heating Expert
Noisy Radiators are a Cry for Help
is this a pop quiz?
my guess is the exhaust flues discharging their acid drips over the condensing units.--nbc