Q&A: Microchannel air-cooled condenser; Heatcraft Worldwide Refrigeration; April 2011; "Archived copy"(PDF). Archived(PDF) from the original on 2012-04-17. Retrieved 2013-02-20.{{cite web}}: CS1 maint: archived copy as title (link)
Q&A: Microchannel air-cooled condenser; Heatcraft Worldwide Refrigeration; April 2011; "Archived copy"(PDF). Archived(PDF) from the original on 2012-04-17. Retrieved 2013-02-20.{{cite web}}: CS1 maint: archived copy as title (link)