Electricity for refrigeration, heating, and air conditioning by Smith, Russell E. 1944-

2007 ASHRAE handbook heating, ventilating, and air-conditioning systems and equipment.

Commercial refrigeration for air conditioning technicians by Wirz, Dick

Air conditioning and refrigeration by Miller, Rex 1929-

Available for University of the Philippines Diliman via McGraw-Hill eBook Library. Click here to access
Also available remotely for University of the Philippines Diliman via McGraw-Hill eBook Library. Click here to access thru Remote Access via EZProxy

2006 ASHRAE handbook refrigeration.

Electricity, electronics, and wiring diagrams for HVAC/R by Mahoney, Edward F.

2005 ASHRAE handbook fundamentals.

The complete refrigeration and airconditioning maintenance and servicing handbook by Purisima, Ireneo M.

Training regulations transport RAC servicing NC II : heating, ventillaton and airconditioning-refrigeration sector.

Air conditioning and refrigeration troubleshooting handbook by Langley, Billy C. 1931-