I am trying to deal with correction of dirty socks syndrome in a less than two year old heat pump system that has all new duct work and uv light in outgoing duct. Installer (with a manufacturer representative, Carrier), checked system, drain pan, ducts, and found nothing. Then treated with lysol spray on coils which did not work. I am searching for new information to eradicate the problem and prevent ever having it again. I feel that this problem has caused me to develop sinusitis and the energy drain and headaches that goes along with it. I am not particularly fond of the idea of chemicals on the coil, because this is being blown back into your breathing air. Any suggestions appreciated.