The 4-Ton 17.5 SEER Heat Pump - Side Discharge System is a top-of-the-line HVAC system that provides reliable and efficient cooling and heating for your home. With a SEER rating of 17.5, this unit is highly energy efficient and can help reduce your energy bills while maintaining quality air. This heat pump side dischagre system design allows for quiet operation and easy installation. Components included are the side discharge rotary heat pump, 3-way variable speed A/H 18kW heat kit for side discharge, simple controller, and optional wired remote . This model is perfect for homes needing consistent cooling and heating throughout the year. Trust the 4 Ton 17.5 SEER side discharge HVAC system to keep you comfortable all year round.