Since 1987, ArcticTemp Air Conditioning and Heating has been providing full-service heating and air conditioning services to the residents of McHenry County. Our geographic focus, professional servicemen and fully-stocked service vehicles are all important elements in providing Crystal Lake residents a higher level of service. We are committed to providing professional service every step of the way. From your first service request, to the completion of the job, we want you to feel good about choosing us.