No, it is not safe to plug a window air conditioner or any high-power appliance directly into a power strip or extension cord. Window air conditioners typically draw a significant amount of power, and they require a direct and dedicated electrical connection.
Plugging a high-power appliance like an air conditioner into a power strip or extension cord can overload the circuit and cause overheating, which may lead to electrical fires or damage to the wiring. Power strips and extension cords are not designed to handle the high electrical load that air conditioners demand.
To ensure safety and proper operation, it is recommended to plug your window air conditioner directly into a wall outlet. If the outlet is not conveniently located, it is advisable to have a qualified electrician install a dedicated outlet near the air conditioner unit.
Always follow the manufacturer's instructions and consult with a professional electrician if you have any concerns or need assistance with electrical connections. Safety should be a top priority when dealing with high-power appliances.