New home, moved in Sept 2010 (Good man AC unit. AC unit was blowing warm air in May 2011, company who installed responds and fixes, air is cool again. October 2013, unit blowingb warm air again. New company tech thaws frozen unit, adds pound of freon. Next day tech says there is a leak at the service valve and suction side. Too expensive to fix. Mar 2014, new tech finds larger copper pipe bent and kinked like a garden hose. What problems could this cause?
Steve