It is recommended that you should always get help from a professional technician when it comes to air conditioner repair and air conditioner servicing. The air conditioning unit consists of a compressor, fans, fins, coils, refrigerant gases, electrical starters and thermostats etc. Therefore, it is more complex than you think it might be. Air conditioning professionals make your job easier by advising you on the following aspects:

• If your unit is too old, you should replace it with a new unit, they would advise you. You can also get your existing unit repaired and it will be the least expensive option. However, it will cost you more in the long run.
• You should replace your old unit with a new efficient energy saving unit. If your unit is old and inefficient and you are maintaining it by paying for repairs, then you are just delaying the need to replace it with a new unit.
• The bigger the better is not the case when you buy an air conditioning unit. Bigger units can be less effective at cooling or dehumidifying your home. Oversized units reduce efficiency and increase frequency of repairs. Therefore, it is better to take advice from a professional before any purchase.