Alan Heating Air Conditioning Inc. is an Elmhurst family-owned and operated business that has been serving customers for over 68 years. The business’ service area includes Downers Grove, Medina, Oak Brook, Wheaton, Clarendon Hills, Hinsdale, Wood Dale, Glen Ellyn, Villa Park, Itasca, Darien, Lombard, Westchester, Addison, Western Springs, Oakbrook Terrace, and other areas. Services include furnace installation, service, replacements, maintenance, and repairs, air conditioning installation, service, replacements, maintenance, and repairs, and indoor air quality. Products Alan Heating Air Conditioning Inc. offers include air conditioners, gas furnaces, packaged systems, mini-split systems, garage heaters, comfort controls, air handlers, and indoor air quality systems. The business offers financing. Alan Heating Air Conditioning Inc. has a B- rating from the Better Business Bureau.