Commercial or Household - New Installs or Repairs! If you would like your unit installed correctly the first time, give us a call. Where other outfits fall short, Bison Mechanical shows up to repair serious mechanical issues by the book. Whether you are having issues with your HVAC Unit, Furnace, Boiler, Air Conditioner, Appliances, etc., Bison Mechanical is ready to help. We hold ourselves to a higher repair standard. You can rest assured that your repair will be completed right the first time because we hold the equivalent of a Master certification for repair work (Universal Mechanical). We hope to hear from you soon and thank you for your consideration!