Research‎ > ‎


equipment tutorials:
refidgeration basics

Evacuation/recovery:    Also has links to the tools he used
system pump down

replacing a compressor:
outdoor unit

Installing an outdoor unit:

change a R22n to 404a
expansion valve

Other research:

building a cooling system:

specialty tools needed:
tool bag for service techs

AC manifold gauge set
vacuum pump with necessary fittings
oxy/acetylene torch