Who here locally is the best to work with, i called John Moore plumbing/AC and he qouted us at 400 to recharge freon, 300 to clean coil and 6,000 to replace whole unit, the unit cools a 3 bedroom 2 bath trailer that is 80 feet by 40 feet. Are these prices reasonable? And does anyone have any reccomendations on who to use or what to do?