Blog Archives

1930s Household Refrigerators

The evolution of the household refrigerator is not a well known story.  There seems to be few people interested in the subject.  Perhaps it is not as romantic as the development of the automobile.  Nonetheless, a concerted effort was put

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Posted in Old Refrigeration Texts, Refrigeration, Refrigerator

Trying Not to Blow Myself Up

I advocate hydrocarbon refrigerants for vapor compression systems whether it’s refrigerators, dehumidifiers, split systems, whatever.  There are a lot of advantages to them over proprietary cocktails like R-134a, R-22, 410a and so on.  First of all, they are naturally found

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Posted in Refrigeration

Discourse On Dehumidifiers

I’d like to talk about dehumidifiers; what they are, how they work, design failures and improvements I’d make. The dehumidifiers I write of are a specific kind, but probably the most common.  They are the small white plastic towers people

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Posted in Dehumidifiers, Refrigeration

On the Subject of Compressors

The refrigeration compressor is where all the ‘magic’ happens.  To understand the process of compression is to understand the fundamental principles of mechanical refrigeration.  A compressor is the mechanism that allows us to reuse that same refrigerant over and over.

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Posted in Refrigeration

Some Thoughts On Refrigerants

Refrigerants are the blood of a vapor compression system.  They are pumped round and round in an infinite loop of compression and expansion.  The types of materials selected for use in refrigeration are based on a number of factors, the

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Posted in Refrigeration

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