By appointment, we also offer drop-off, in-shop repair for all appliances, including Dehumidifiers, Microwaves, Air-Conditioners. We are factory authorized for every brand we service, no other company in the Madison area can say that! At Main Appliance Service, we want to be your first choice when it comes to appliance repair. Based in West Madison and Sun Prairie, our team's mission is to provide fast, professional and quality appliance repair at the best possible value. We want to provide you with the most cost effective repair possible.