Most people ignore yearly service for their air conditioning and heating system and to their surprise a fat bill for repairing on major failure make them repent of not doing preventive maintenance earlier. Just like you would take care of your own body to remain healthy you need take preventive measures by doing regular heating and air repair maintenance. If such a maintenance routine is not followed then you will have to face the consequence of sudden break downs. Facing such problems in the middle of the season when you are in dire need of your cooling and heating unit is catastrophic. By arranging for a regular maintenance schedule with companies offering such services will save you from future over budget repair expenses at the worst possible instances.
Also make sure to call for the service during off season as the repair charges will be lower at this time. There are many repairs that can be done by you by referring the owners manual thus save on the repair charges for hiring professionals. Most of us forget where we have kept the owners manual or may throw it away thinking it is no longer required. There are simple things that you can do to avoid major repairs referring the manual, like changing the filters. You need to spend less than 6 dollars for changing the filters which can in turn help you avoid costly repairs. By referring to the manual you can also clean the fans of an air conditioning system. However, if you find these procedures to be complicated then you can always turn for professional help.