The air conditioning unit is a very important system/component of the home. Preventive maintenance can help you make sure your unit stays operating efficiently, pro-long the lifespan of the appliance, and save you the costly repair of replacing the unit. Here are just a few quick tips on what to look for when inspecting your A/C unit to see if it is operating efficiently and in good condition. First things first, the age of the unit. Typical life expectancy of an A/C unit or