References:

Whoa Fridge Picture:
http://www.niemanlab.org/images/smart-refrigerator.jpg

System Diagram:
http://faculty.wwu.edu/vawter/PhysicsNet/Topics/ThermLaw2/HPandRefer.html

Refrigerator Pump:
http://sunfrost.com/blog/wp-content/uploads/2010/09/evacuation-blog.jpg

Expansion Valve:
http://www.cdxetextbook.com/images/350px-TXvalve.jpg

Compressor:
http://i188.photobucket.com/albums/z207/gordonlehman/Compressor.jpg

Cooling Coils:
http://pad3.whstatic.com/images/thumb/7/79/Clean-Refrigerator-Coils-Step-2.jpg/670px-Clean-Refrigerator-Coils-Step-2.jpg