Simple, efficient, and effective. The XL15c Heat Pump Packaged System can heat and cool your home to your desired temperature year-round. A simple change in your thermostat kicks the XL15c into action. Highly efficient and all-electric, the XL15c is a cost-friendly and eco-friendly option for any homeowner. Operating ultra-quietly, this dependable heat pump is compatible with the Trane CleanEffects^® Whole Home Air Cleaner to reduce allergens in your home.