What would you do to have better health? Then "SANITIZE YOUR HEATING AND AIR CONDITIONING SYSTEM!" La Canada Heating and Air Conditioning, is taking "HEALTH" very seriously. Keeping a system clean and pure of bacteria, viruses, mold and fungus takes special knowledge and expert care. Identifying the source of the pollutants reveals the importance of a clean system. Most of the filth in a system comes from the DEAD SKIN CELLS that circulate through every home and commercial buildings. A FACT: Each person sheds over 700,000 dead skin cells each day.