Fine Tuning Air Conditioning & Refrigeration SystemsBilly C Langley · First published 2003Open the Tome
Fine Tuning Air Conditioning and Refrigeration SystemsBilly C. Langley · First published 2001Open the Tome
Electrical Applications for Air Conditioning & Refrigeration SystemsBilly C. Langley · First published 1999Open the Tome
Heating, Ventilating, Air Conditioning and RefrigerationBilly C. Langley · First published 1990Open the Tome
Heating, ventilating, air conditioning, andrefrigerationBilly C. Langley · First published 1990Open the Tome
Heat pump technology systems design installation and troubleshootingBilly C. Langley · First published 1989Open the Tome
Electric controls for refrigeration and air conditioningBilly C. Langley · First published 1974Open the Tome
Electricity for Refrigeration and Air ConditioningBilly C. Langley · First published 1984Open the Tome
Air Conditioning and Refrigeration Troubleshooting HandbookBilly C. Langley · First published 1980Open the Tome
