Why is My Aircon Not Cold in Singapore? If your aircon is blowing warm air or cooling poorly, several issues could be the cause. Common problems include clogged air filters, dirty or obstructed condenser coils, insufficient refrigerant levels, or worn-out components. At Letscool Aircon Singapore, we specialise in comprehensive aircon solutions such as regular servicing, refrigerant ... https://letscoolaircon.com.sg/2023/03/07/aircon-not-cold-problem-easy-steps-to-fix-it/