HVAC

https://www.wikidata.org/wiki/Q1798773

Field Hierarchy

Parent
Physics 31.7M papers	Engineering 23.9M papers	Mechanical engineering 5.3M papers	Thermodynamics 5M papers
Air conditioning 56.7k papers
Current
HVAC 16.9k papers
Child
Energy recovery ventilation 1,740 papers

Trends

Notes

History