6 Things You Should Know About Your Air Conditioner

Close up view on HVAC units (heating, ventilation and air conditioning). 3D rendered illustration.

Human beings have been trying to keep cool when it’s hot for millennia, and they succeeded using everything from gravity-fed fountains to huge fans cranked by a servant to plain old blocks of ice. The modern air conditioner, whether it is a central AC, a window unit, or a mini-split ductless, is a surprisingly complex […]