Welcome to Janesville Winair Company. We are your full-service Heating and Air Conditioning wholesaler. Janesville Winair is committed to providing quality products/services to qualified HVAC contractors in Southern Wisconsin and Northern Illinois. We're part of Winwholesale,a group of independent corporations that are wholesale distributors of plumbing supplies,industrial equipment,heating and cooling materials,electrical equipment,waterworks supplies,pumps,fasteners,and electronics. Each of our locations is privately owned and operated but held together by a central philosophy of opportunity,responsibility and pride.