Some people think that removing the dust filter and rinsing it with water means the air conditioner has already been cleaned. In fact, there are hidden old dirt and surprising amounts of dust and bacteria inside the air conditioner, which will be spread through the cool air, invisibly harming human health and causing serious damage! Dust accumulated inside can also reduce the performance of the air conditioner. Besides weak cooling effect, electricity bills might increase as well. Therefore, cleaning your air conditioner thoroughly not only saves electricity costs but also purifies the air. Our technicians have professional installation and cleaning experience. With safe and meticulous work processes, please call us immediately to arrange cleaning service for you at your earliest convenience. Willy Electrical & Mechanical Company Address: No. 31, Tiejhu Street, Mong Kok Master Chan 9832 6401 🆓 Free inspection and water leakage treatment FREE odor elimination FREE drainage outlet clearing ✅ Mold removal and disinfection treatment ✅ Professional maintenance explanation 💰 Reasonable and clear pricing ❌ Absolutely no extra charges Willy Electrical & Mechanical Company's strict and professional air conditioner cleaning process: 1️⃣ Check the operation status of the air conditioner