Looking for quality air-conditioning without the unsightly obstructions of duct work? Going beyond your budget because of a high energy-consuming heating system? Sometimes, air conditioners provide more hassle than comfort. Air conditioners have many flaws. Old air conditioners, for example, tend to operate noisily. Defective duct work can drip water on unsuspecting passerby. Air conditioners are also notorious because of the high energy they consume. Chances are, operating an air conditioner at maximum power on a daily basis can easily double one’s energy bill.