Window Air-Conditioner
Window Air-Conditioner
Window air conditioners are self-contained units designed to cool a single room or small space by fitting directly into a window. They house all major components—compressor, condenser, evaporator, and fan—within one compact unit. While considered a more traditional cooling option, they remain popular due to their durability, easy installation, lower repair costs, and space-saving design.
Although they lack the advanced features of inverter or smart AC systems, window units are still widely used in residential settings. Available in capacities from 0.5 to 2.5 tons, they offer energy ratings of up to 5 stars in India, where a higher star rating equates to better energy efficiency and cost savings.
Frequently Asked Question
A Window Air Conditioner (WAC) is a self-contained cooling unit designed to be mounted in a window or through a wall opening. It includes all the necessary components — compressor, condenser, evaporator, and fan — in a single compact housing. Window ACs are typically used for cooling individual rooms or small enclosed areas.
How do I choose the right capacity (tonnage / BTU) for a window AC?
It depends on room size (square feet/meters), ceiling height, insulation, sun exposure, number of occupants, and heat generated by appliances or lights. Undersized units will run constantly, while oversized units waste energy and may cause humidity issues.
Are window ACs noisy?
Because compressor, condenser, and fan are in the same unit, window ACs tend to be noisier than split systems. But choosing a good model and installing it properly (well-fitted into the window, insulated, vibration dampening) helps reduce noise.
What efficiency features should I look for?
Look for energy star / efficiency ratings, multiple fan speeds, timer functions, thermostat control, energy save modes. Higher energy efficiency reduces electricity bills over time.
How often do I need to clean or maintain a window AC?
Filters generally need cleaning every 1-2 months, or more often if there’s dust / pollution. Coils should be cleaned per season; ensure the drainage is clear. Regular checks keep performance up and prevent breakdowns.