The most common central cooling system is a split system which includes an outdoor cabinet containing a condenser coil and compressor and an indoor evaporator coil usually installed in conjunction with your furnace or air handler.
Central electric cooling.
Modular blowers or electric furnaces hanging furnaces.
How central cooling works.
Central means the cooler is in one place and a fan circulates the air through the house.
A forced air delivery vehicle usually a duct system a furnace and an outdoor condenser unit.
Both systems are interdependent on the furnace unit which is fueled by gas and the condenser which is powered by electricity.
Gas and electric central air conditioning systems all require the same equipment.
Air handlers and all electric furnaces.
Hotel style heating and cooling units ptac wall furnaces.
Heat pump central air conditioning electric heat and cool self contained package unit air conditioning w heat option.
In an average air conditioned home air conditioning consumes more than 2 000 kilowatt hours of electricity per year causing power plants to emit about 3 500 pounds of carbon dioxide and 31 pounds of sulfur dioxide.
So the unit has a heat pump outside that runs to an air handler inside.
If you are considering adding central air conditioning to your home the deciding factor may be the need for ductwork.
Electric is powered by electricity.