Profile Frederi Madsen I am passionate about: Heating & AC Repair Location: Litchfield Park, AZ 85340, USA Sales Manager Dr. Heating & AC Repair Litchfield Park Dr. Heating & AC Repair Litchfield Park offers quality heating & AC repair services to Litchfield Park, AZ including commercial and residential installation, repair and more! Last activity: on 01/03/2019 Joined: on 01/03/2019 http://www.dr-heatingacrepairlitchfieldpark.com/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.