Shorter lifespan than conventional AC. Conventional AC. Average Cost: $3,200-$7,800. Work in any climate. Less expensive to purchase, maintain, and operate. Longer lifespan than heat pump. Higher monthly utility bills. Needs a heat source like a gas furnace. May not qualify for rebates. 2. The two units that make the split system are easy to access, so don’t pose any problems at the time of maintenance. 3. These are quieter in operation. Cons – The main disadvantage of a split system is that its installation is a complicated process because of its split nature. A ductless mini split is a heating and cooling system that combines an outdoor heat pump with air handlers in each room, or zone, you’re treating. In the summer, the air handler in the room draws in the air around it, cools it, and recirculates it. You can choose to have one air handler for a single zone. Or, connect up to eight air handlers A mini-split air conditioner is a ductless cooling system for homes and commercial buildings. The system uses an outdoor condenser, similar to that of a central air conditioner. Indoors, each room or area has an air-handling unit, mounted either on the wall or ceiling, that distributes the cooled air instead of using ducts to move the air to Sleep Mode is a feature generally found in inverter air conditioners - be it a Split AC or a Window AC. How it helps you save electricity is by first working hard to get the ambient temperature to the one you have chosen. Once the desired ambient temperature is reached, the inverter slows down to maintain the temperature. The SENA-24HF is an excellent mini split that's available to DIYers with a SEER rating of 20.5, and it has the capability of cooling a room between 1,200 and 1,450 square feet. EnergyStar If your air conditioning system is getting older and performing poorly, it’s a great idea to plan for proactive system replacement in advance instead of waiting for a breakdown to force your hand. That way, you won’t have to deal with the inconvenience of going without AC while the replacement is in the works. July 7, 2017 at 1:11 am. Their description is not correct between a single hose and dual hose unit. An A/C is compose of two coil components. The evaporator and the condenser. The evaporator expels cool air and the condenser expels hot air. Air most flow past both coils for a unit to work. yFAkT.