Inverter aircons should be cleaned just as frequently as non-inverter units, with the air filter washed every two to four weeks and a professional aircon cleaning scheduled every three to six months depending on usage and environmental conditions. While inverter units are more energy-efficient and technologically advanced, their internal components are equally susceptible to dust and mold buildup in the Philippine climate, and neglecting maintenance can reduce their efficiency and negate the electricity savings they are designed to deliver. Some inverter aircon brands also include sensors and automated components that can be affected by dirt accumulation, making regular professional servicing particularly important to keep these systems functioning as intended and to protect the manufacturer’s warranty.