Joseph Frederick & Sons specializes in Indoor Air Quality solutions. As a Carrier Factory Authorized Dealer, we provide a wide selection of proven effective and cost-efficient products. Years of hands-on experience, extensive training, and product knowledge allows us to analyze your indoor environment, determine areas of concern, and make informed recommendations. We won’t sell you what you don’t want or need. We’ll assist you in taking proactive measures to ensure a comfortable, clean, and healthy living space.