Speciality contractors are improvising and grouping to bag bigger deals.
Prior to the advent of HVAC, buildings were designed to be naturally ventilated with envelopes that were heat-resistant by virtue of design features such as orientation and the use of shades on windows.
HVAC control is a major function of building management system
Improve chiller-based AC by using magnetic bearing centrifugal compressors
HVAC help maintain thermal comfort and indoor air quality