You see, ductless acs and central acs produce cool air exactly the same way: Unlike a heat pump, a ductless air conditioner operates in one direction only: Mrcool Oasis Hyper Heat 12000 Btu 1 Ton Ductless Mini Split Air Conditioner And Heat Pump - 230v60hz-o-hh-12-hp-230 - The Home Depot Ductless Heat Pump Heat Pump System Ductless Mini Split For air conditioning, your mini split works similarly to central air, just without vents and ducts. How does ductless mini split air conditioner work . How does a ductless system work? After all, if cold air blows on the thermostat, it will think the room is cold and turn the unit off. They suck in warm air from your home, absorb the heat and moisture from that air, then dump the heat/moisture outside. The air handling unit absorbs humid air in the room and uses series of pipes to carry it to the condenser. You can link 4 indoor units to a single outdoor unit at once, saving on. Instead, air handlers inside draw in warm air, which hea...