To determine the appropriate size of a generator for running a window air conditioner, you'll need to consider two primary factors: the starting wattage and the running wattage of the air conditioner.
Starting Wattage: Window air conditioners often require a higher amount of power to start up, known as the starting wattage or surge wattage. This initial surge is necessary to power the compressor. You can usually find the starting wattage information on the air conditioner's specification label or in the manufacturer's documentation. It is typically higher than the running wattage.
Running Wattage: The running wattage refers to the amount of power the air conditioner consumes to operate continuously once it has started. This information can also be found on the air conditioner's specification label or in the documentation.
To determine the size of the generator, you'll need to choose one that can handle both the starting wattage and the running wattage of the air conditioner. It's important to select a generator with a capacity that is equal to or greater than the air conditioner's starting wattage.
Keep in mind that different air conditioners have varying power requirements, so it's essential to check the specific wattage ratings for your model. As a general guideline, window air conditioners typically range from 5000 BTU (British Thermal Units) to 15000 BTU, and their power requirements can vary accordingly.
Once you have the starting wattage and running wattage of your air conditioner, you can look for a generator with sufficient capacity. It is recommended to choose a generator with a bit of extra capacity to ensure smooth operation and to account for any additional power needs.
Consulting with a professional or an electrician can provide you with more accurate information based on your air conditioner's specifications and your specific requirements.