"When interviewing for a HVAC technician role, expect to be quizzed on your knowledge of how HVAC systems function and are installed. Employers are looking for candidates with experience as a technician or apprentice that can perform well in difficult conditions. Come ready to discuss your ability to succeed under pressure as well as in uncomfortable environments, such as overly hot, cold, or cramped spaced. If you plan to work with refrigerants, make sure you've earned your EPA certification."
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If you’re in the trades you should know how to field that question by now. If you’re young or fresh out of school/trade school the answer is two questions “how many other young people have you had come through your door looking for work? do really have so many employees and so little work that you can afford not to find out if I’m a good fit?” Less