HVAC-Operation and Maintenance-(Rooftop units)

SUBSCRIBE!NEW HVAC/R VIDS WILL BE POSTED SOON!!!) And yes no more stupid questions I am a EPA certified Hvac Tech. PLEASE RATE AND COMMENT ON MY VIDEOS. SUGGESTIONS FOR THE FUTURE WEBSITE ARE ALSO WELCOME. Many of you are downloading and not saying thanks.WTF? TCI,environmental protection agency,hvac/r,hvac technician,hvac technology,epa test,refrigerant test,universal certification,epa section 608 technician […]