HVAC Engineer / Mechanical Engineer Save Powder River Heating and Air Conditioning Gillette, WY $70,000-100,000 per year Powder River Heating & Air Conditioning, Wyoming Mechanical Design Works (a wholly owned subsidiary of Powder River Heating and A/C) is the only locally owned, licensed, bonded, … View similar jobs: Mechanical Engineer HVAC jobs in Gillette, WY Jobs in Gillette, WY