What guidance to HVAC professionals enjoy just about intervallic care of the heat / cooling systems within a home?
A dirty condenser can slay a system. (wash it any way you want only make sure it is clean)
A dirty burner can exterminate You!
DON'T USE ELECTROSTATIC FILTERS - use pleated filters or electronic.
any keeping is a good investment whether it be sports car, boat,a/c, etc.
In answer to all three question, my AC is at least 25 years, beside no maintenance except for filter shifting and hosing down the outside unit. Same for the plumbing, except for have
Roto Router in once. Same for electrical, except for count some circuits.
Asking a professional is like putting his appendage in your pocket.
Answers: wash your outside component (condenser) from the inside out with garden hose, if you newly spray the outside coils it just drives the dirt and ruins in, verbs the inside A coil with a spray explicitly available at most home centers, keep the condensate vein clean by count a ounce or 2 of bleach and change you filter often, in actuality a electro static filter is the way to be in motion
I'd say the best article is to check/ change your filter often.