The Compact BCE5V48MA4X 4 Ton Multi-Position Variable Speed Air Handler with TX Valve is Designed for Consistent Comfort throughout the Year. The BCE5V Features a Variable Speed Motor that Accurately Controls Temperature and Humidity to help keep your Customer Comfortable. This unit is the Ideal Solution for High Humidity Environments, and when Paired with a Matched Heat Pump and Air Conditioner, is Designed to help Provide Year Long Savings