Sometimes, you find yourself in a position where you must replace a fancy thermostat with a simple one. It may be because the customer got fed up with all the options or because you are there on a weekend service call, and all you have is a basic stat. No matter the reason, you need […]

Most of the laws we refer to in air conditioning and refrigeration are pretty obvious and practical. Dalton's law of partial pressures is no exception. John Dalton observed that the air pressure was equal to the added pressures of each gas that make up air. That means that the pressure and density of air can […]

MATLAB Handle Graphics It was December 5th, 1952, only seven years after the end of WWII in London, England, when the “great smog” settled across the city. It was a meteorological anomaly combined with unchecked industrial pollution that led to the great smog. Still, even once it settled on the city, bringing business to a […]