Many of the older fractional horsepower refrigeration systems, such as reach-in coolers or prep table coolers, use a mechanical constant cut-in control to regulate the air temperature within the case.

There isn't a clear superior option between window units and portable options. Choosing between the two largely depends on ...

Air circulation in buildings is rarely controlled solely by windows. Doors play a critical and often underestimated role in determining how air moves from one room to another. Their position, ...