For over 35 years, Twin Air Inc. has been helping Long Island residents create and maintain a healthy indoor climate in their homes and commercial buildings. We are a family owned and operated company that is dedicated to quality service and customer care. At Twin Air Inc., our owners do the installations and service and you can rest assured that we only use the best equipment that will provide you with years of trouble-free operation. We specialize in all phases of residential and commercial applications, including heating, air conditioning, indoor air quality, and hot water heaters.