Buildings require various levels of temperature and humidity controls, but when it comes to preserving historical artifacts or performing an operation, the temperature and humidity levels in a space ...

To properly install, service, and maintain HVACR systems, one must be extremely knowledgeable about air and its properties. As technicians, we are in the business of heating, cooling, moving, ...

"The psychrometric tables and charts and much of the text material have previously appeared in themagazine Heating, piping and air conditioning."--Pref. "References ...