Complete 1 system furnace repair and preventative maintenance check. Find a 1-year-old Ruud system. Find heating system not operating due to loose control wire and gas valve off. Turn on valve and tighten connector. Heating system operating at this time and high temperature. Find flue pipe not up to code. Find molds starter to growth. Suggest apco air purifier to help keep system clean and prevent molding. System operating at this time.