Alton Air Conditioning & Heating, Inc’s goal is to provide¬†honest¬†quality service and solutions to our customers for their HVAC needs. Our services include Residential / Commercial sales of new equipment, service & repair on all makes and models of furnaces, air conditioning, package and air filtration equipment. Alton Air Conditioning & Heating, Inc. has been a family owned and operated company located in Fremont since 1980.