OLMO mini split air conditioners are ductless heating and cooling systems that allow you to control the temperatures in individual rooms or spaces. It is a great way to heat and cool your home all year round with. Say goodbye to dirty, leaky ducts. Conditioned air is delivered directly to the room. These AHRI certified ductless systems are highly efficient, using 25%–50% less energy than electric zonal heaters, such as baseboard or electric forced-air furnaces.