by Mark Hansberger on July 19, 2011July 19, 2011 Do Ductless Mini-Splits Require A Lot Of Extra Preventive Maintenance? Preventive maintenance for ductless mini-split air conditioning units is less involved than that needed for traditional central air conditioning systems. This can translate into additional cost savings for you.Read More Filed Under: Air Conditioning– Ductless Mini Splits– Preventative Maintenance– Service & Maintenance Tagged With: ductless mini splits– efficiency– simplicity– split air conditioning– yuma area