By cleaning you air con on a regular 12 month basis you improve your air quality, reducing your power costs , keeping your air con in good shape.
Cleaning filters every couple of months is a good start in reducing the problems in air con , over a 12 months period they will build up with Bacteria & Germs, Pet Dander, Mould Spores, dust Mites ,Pollen, Cooking Fats, and anything else that might be floating around in the air.
This can cause Dry eyes, sneezing, Sore throats, headaches; your sinuses can go through the roof .