Profile: Ingersoll-Rand Co., Ltd. specializes in communication and electronic equipment. Our product line includes air compressors, air conditioners, air piping systems, fluid handling equipment, and heat pumps. Our Air compressors (rotary screw) are oil-free & lubricated. These are enclosed in a rotary screw compressor option to meet varied customer demands. These are featured with oil-free or lubricated, enclosed rotary screw compressors. Our Trane FreshEffects® Energy Recovery Ventilator replaces stale indoor air with fresh outdoor air for a healthier home environment. Trane FreshEffects retains heat and moisture from exchanged air in winter, and pre-conditions, and dehumidifies incoming air in the summer for enhanced comfort and year round efficiency.