Work your hours. Will train motivated student. Obtain equipment pricing from Mfgr Reps, Assist with Mechanical design, run building heating and cooling loads, enter pricing in sales program, write proposals. Create necessary system design schematics, and forms for pricing, contacts and other lists to streamline design and proposal process. Most work will be done on programs on in-house Computer. Some creative work (forms and lists) can be done on your computer elsewhere, then transferred over. Learn correct HVAC design, application and Mechanical Engineering from a successful business person. Get a hands on, head start in your chosen profession.