Many condensing unit pumps are also called vacuum pumps. They are used to compress air or liquid, and then release the gas. The main function of a condensing unit pump is to force an air stream into the space that it is in, such as between your toes. The main gas that is released is cold, which helps to warm the body. If the device is not powerful enough to do this job, then it will not be able to produce the pressure required to provide warmth to the body. It is recommended that you use a higher power motor if you want to achieve the right kind of results for a larger area.
The compressing units are also called standard vacuum units, or even more commonly, evaporative coolers. This makes them very different from evaporative coolers. Evaporative coolers use a fan to warm the air outside the evaporator, and then air is forced through the evaporator. While it works, the evaporator holds a lot of water vapor, which does help to warm the surrounding air.
The condensing unit pump ups work by increasing the pressure inside the unit and then pumping the air out. They work by pushing the air and gas through a small opening, then allowing the gas to pass out through a smaller opening, and then forcing the gas into the next smaller opening. This increases the pressure and allows it to be compressed into a small space. Once this has happened, the gas passes through a fan that blows the compressed air. Some pumps have a small nozzle on top of the unit, while others have a tube or other outlet at the bottom of the unit. The motor that powers the pump is generally located in the back of the unit, and is driven by a wiring system that connects to the outlet that the fan will turn on.