if the local hvac shops arnt hiring, try maintenance at a large hotel or office bldg.as a last resort,apartment complexs.starting pay is low you gotta hang in there for a while.if your lucky some wise old fella will show you the ropes and your on your way!this might sound silly but when you go out looking, dress like your there to work!good luck
Don't accept no for an answer. Next week call everyone who told you no this week. Sooner or later one of them will either appreciate your enthusiasm, and persistance. Or maybe you will catch them, when they are in dire need of help.
Thanks for all the good advice to bencool i just want to say I went to a course of 900 hours and the majority was book knowledge not to much practical.I am not as confident as I should be with my on hands experience.