We can all appreciate the work of air conditioner on a hot summer day. And if there is a problem most probably it will have affect on the whole household. That is why maintaining your AC unit is important as well as making sure that it is operating correctly. By using a simple refrigeration cycle your unit will change the air temperature and humidity within an area. In some cases for comfort cooling evaporation is used.During the cooling season if your unit has a filter it needs to be replaces at least once a month. Filter can be located in the front grill area. To prolong the life of your air conditioner you need to remember that AC cooling system is very similar to a refrigerator’s. If you turn your air conditioner off wait at least 10 minutes to turn it back on so it will let the pressure in the refrigeration system to equalize.