Particles shall be circulated around the space by fans, air flow probably from outdoors, and/or their central air handlers. All of these pieces shall be connected by a copper tube that handles refrigerant, developing a closed loop. Heat is collected in the evaporator, sent outside to the condenser. Return air http://air-conditioner-repair-lo39370.timeblog.net/38244432/little-known-facts-about-heating-and-air-conditioning-westwood