Recent Blog Posts

Properties of Refrigerants: Entropy

May 12th, 2026

“Entropy” can be a difficult concept to understand. In the context of thermodynamics, entropy can be thought of as a measure of “disorder”. The second law of thermodynamics teaches that entropy always increases over time.  In the refrigeration cycle, entropy is used to determine the theoretical discharge temperature. The term “theoretical” is applied because we assume […]

Ammonia Week in Review | May 8, 2026

May 8th, 2026

Ammonia Hides in this week’s edition of the Ammonia Week in Review… Ammonia Leak Reported at Tucker Baking Company Building – DeKalb Fire said there were no reports of injuries in the incident. […keep reading] Properties of Refrigerants: Halocarbon Refrigerants – Halocarbons are man-made compounds. The term halocarbon is shorthand for “halogenated hydrocarbon”. A halocarbon is a hydrocarbon […]

Properties of Refrigerants: Halocarbon Refrigerants

May 5th, 2026

Halocarbons are man-made compounds. The term halocarbon is shorthand for “halogenated hydrocarbon”. A halocarbon is a hydrocarbon compound that has replaced at least one hydrogen atom with a halogen atom.  Halocarbons have been used for many purposes, such as Solvents, Fire Suppression, and Refrigeration. Halocarbons boil at various temperatures. Based on the chemical formula, each […]

Properties of Refrigerants: Ammonia (R-717)

April 28th, 2026

Ammonia is a phenomenal chemical. It has a wide variety of uses in many different industries. Ammonia has been used in the following applications: Fertilizer, Water Treatment, Cleaning, Selective Catalytic Reduction, and Refrigeration.  Ammonia boils at -28.1ºF at normal atmospheric pressure. Ammonia vapor is lighter than air as expressed by a vapor density of 0.6. Ammonia is highly […]

Ammonia Week in Review | April 24, 2026

April 24th, 2026

Mass Panic in this week’s edition of the Ammonia Week in Review… Tampa Stink Scare: Firefighters Shut Down Ammonia Leak, Nobody Hurt – A late Wednesday call in Tampa turned into a full hazmat operation when firefighters discovered an active ammonia leak in the city. […keep reading] Around 100 People Evacuated After Ammonia Leak in Stabio TI – […]