A survey looked at the reasons contractors choose brands and might consider changing brands, and a comparison of five ...

On average, light commercial business continues to be more installation-focused than service and mainly ducted. An average of about half of light commercial HVAC equipment sold is in the form of full ...

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