In fact there are a lot of alternatives.
Alternate air conditioning systems.
The simplest way to do this is to use a fan to pull in cold air through the windows at night.
One of the most popular alternatives to central air is a window unit or portable air conditioner that cools a single room.
Others can support central air but can t be cooled as effectively with it as they might with an alternative system.
Although a ductless mini split is still an air conditioner one can still include it as an alternative to traditional ducted air conditioners for 2 reasons.
Solar and geothermal heating seem too pricey.
According to energy gov ducts losses can account for more than 30 of energy consumption for space conditioning.
Replacing a furnace or air conditioning system not doing it for you.
Unlike a central air conditioning unit a portable air conditioner allows you to cool a specific room rather than waste energy and money cooling your entire home including all the unused rooms.
Some homes especially older homes built before the advent of air conditioning lack the ability to support the ducts that make central air conditioning possible.
Had about enough of the system maintenance and have cleaned coils changed out air filters and sealed ducts quite enough for one lifetime.
Cold compresses and fans can cool your body but it s also possible to cool an entire room without air conditioning.
In dry climates you can use a swamp cooler which cools your home with evaporating water.