In the summer to save money on cooling you must shut your curtains. The sunlight naturally warms your property. You do not want the natural warmth to heat the room. You want to shut your curtains and keep your home potentially cool. Also shut every door you can in your residence. You do not want your air conditioning running at all times. This is not energy efficient. Being energy efficient means you are carrying out everything you can to lower your expenses. Shutting all of your doors along with closing your curtains saves an individual money. You are sealing the cold air inside a small space. It is unattainable to cool your entire residence. Most people make this oversight. An air conditioner is a forced air system. This central cooling system is cooling to one temperature. Your system tries to cool all of your home to this one ideal temperature. This is not possible to for your unit. Your air conditioner then is on at all times. You are wasting money doing this. Also you are hurting your system. The air conditioner could easily get damaged when it is on all the time. You want to be able to give your system a break. Your system will last longer. You also you can clean your system. Cleaning your system makes it more energy efficient. You can check your ventilation for virtually all dust or debris. This blockage may cause your system to not be as efficient. Check your venting for blockage and dust. Thoroughly clean your cooling system and close off your rooms. Try to get energy efficient. This will save money and will increase your own cooling system’s lifespan.