A proven HVAC technology wordwide, Variable Refrigerant Flow (VRF) zoning systems are poised for dramatic growth in all areas of commercial construction because they provide precise zones control that can contribute toward the achievement of LEED certifications.
The readers weigh in. In my December 2012 column, I solicited reader feedback regarding substantial completion and the trend of owners accepting buildings as substantially complete when the mechanical and electrical systems are not complete, fully integrated, and functioning properly.
HVAC Solution is a schematic diagramming and database tool for laying out the equipment involved in an HVAC system. HVAC Solution lets the user drag detailed icons of these components and place them on the page and then connect them with schematic pipe lines.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.