If you are a homeowner or resident in San Diego, considering AC replacement, there are a number of factors that you need to closely consider. Nowadays, there are a number of air conditioner models available in the market that are loaded with numerous features. However, if energy-efficiency and lower electricity costs is your main concern, it is important that you consider choosing a two stage cooling system, over the traditional single stage system.

How does a two stage system work?

A two stage air conditioner system differs from that of a single stage primarily in the manner in which the AC compressor works. A single stage system means that your AC’s compressor is only able to function at one particular speed. It will work at this speed, regardless of how large the room is, or what the room’s temperature is at any point in time. In the cooler months of Spring and Autumn, it is unlikely that you will need your AC operating at full blast.

With a two stage system, you can control the speed at which your AC operates. This kind of system typically has a ‘high’ speed, and a ‘low’ speed. Since on most days throughout the year, you will not need your AC working at maximum capacity, you can ultimately save up to 40% of energy typically spent using a single stage system. A two stage system analyzes a room’s temperature as well and reacts accordingly, switching between high and low speeds, to maintain a particular temperature.