Some highly rated mini splits are Senville Aura 9000 and Pioneer WYD009A43-L, according to AirReflect.com. Each machine has slightly different features for different prices.
The Senville Aura 9000 is able to heat and cool a home, and it has an air filter. The capacity of the Aura is 9,000 BTUs while cooling and 11,500 BTUs while heating. It has a performance of 14 EER and 23 SEER. The Pioneer WYD009A43-L is able to both heat and cool a home as well. The Pioneer has speed control and a fan-only mode. The max area for its use is 350 feet. The capacity of the Pioneer is 9,000 BTUs while cooling and 9,500 BTUs while heating. Its performance is 11.6 EER and 13.5 SEER. The machines sell for about $400 to $800 each as of 2015.