Trouble With Your Heating and Cooling System? TRADEMASTER, INC. OF MARION, INDIANA CAN GET IT BACK ON TRACK WITH HVAC REPAIRS. When you depend on your HVAC system to save you from scorching summer days and cold winter nights, it can be frustrating to deal with a sudden breakdown. Don't lose your cool when your HVAC system fails you-immediately call Trademaster, Inc. for relief. Our HVAC contractors have more than four decades of experience and can install, repair or maintain units of all types. We'll run diagnostics during our visit to pinpoint the source of your HVAC trouble and recommend an effective solution that will have your system up and running again in no time. We're proud to offer quality heating, ventilation and cooling services to residents in Grant County and the surrounding areas. We also sell HVAC systems! If you'd like to look us up, our Indiana plumbing license number is 81061225. Schedule an appointment with Trademaster, Inc. by calling 765-664-3540.