Mechanical Systems/Air Conditioning
Direct Expansion A/C & Refrigeration Shop

Contact: Frank Hilberer, Skilled Crafts Sr. Supervisor Facilities Maintenance/Air Conditioning 326 E. Hoover Street Ann Arbor, MI 48109-1002 Phone: (734) 647-2042 Fax: (734) 936-3458 Email: Frank Hilberer (get address) (38.103.63.61)   Craig Butcher, Technical Trades Manager Email: Craig Butcher (get address) (38.103.63.61)

The Direct Expansion A/C and Refrigeration Shop provides the following maintenance, testing, and repair services:

• Installation, operation, inspection, and maintenance
• Service troubleshooting, upgrading, and repair
• EPA certified technicians, Levels III
• Refrigerant replacement, recovery, and monitoring
• Window A/C units, Centrifugal Chillers
• Reciprocating compressors and chillers
• Cold rooms, Ultra-Low temp freezers
• Compressed air dryers
• Ice machines, Salad bars, Pop machines, etc.
• Controlled environment chambers
• Rooftop units of all sizes, Fan coil units
• Walk-in and Reach-in coolers and freezers
• Humidification and Dehumidification equipment
• Makeup air handlers and Drinking fountains
• Cooling tower maintenance
• Heating and cooling equipment for labs and buildings

Content modified: May, 2007

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