Ultra Efficiency Units
In general, it's important to remember that the higher the efficiency rating, the greater the energy savings. When properly selected, higher efficiency matched systems offer improved comfort at reduced operating costs.
 

Efficient performance

The XL19i’s SEER (Seasonal Energy Efficiency Ratio) rating of up to 19.50 is among the highest energy efficiency rating of any air conditioner available today. The XL19i has two compressors: one for milder weather and a second larger compressor for those extremely hot days. It’s like having two units in one.