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Posts by Paul and Mao Unmack

Oil Contamination in LP Gas Systems

Liquid propane gas (LP) packs a large amount of energy into a small package. As a result, it’s an economical...

Your RV Refrigerator Part 6

Your RV Refrigerator Part 6

By Paul Unmack, PE-CSE, ME #116483, www.arprv.com My previous series of articles discussed the process of how refrigeration works. In...

Your RV Refrigerator Part 5 – Removing the Heat

Your RV Refrigerator Part 5 – Removing the Heat

By Paul Unmack, PE-CSE, ME #116483, www.arprv.com The first series of RV refrigeration articles discussed how the refrigeration process works...

Your RV Refrigerator, Part 4-controllers and recalls

Your RV Refrigerator, Part 4-controllers and recalls

By Paul Unmack, PE-CSE, ME #116483, www.arprv.com In the previous installments of this series, I discussed how the cooling unit...

Your RV Refrigerator, Part 3—Electric Operation

Your RV Refrigerator, Part 3—Electric Operation

By Paul Unmack, PE-CSE, ME #116483, www.arprv.com In the first article of this series on refrigerators, we covered how the...

Your RV Refrigerator Part 2 – LP Gas Operation

Your RV Refrigerator Part 2 – LP Gas Operation

By Paul Unmack, PE-CSE, ME #116483 In my September/October article, I discussed how the cooling unit on your Dometic- or...

Your RV Refrigerator

Your RV Refrigerator

By Paul Unmack, PE-CSE, ME #116483 Your RV gas/electric refrigerator is one of the great RV mysteries. It’s a device...