Heating & ventilating year book.
Heating and Ventilating Contractors' Association.
HEVAC Association.
Institution of Heating and Ventilating Engineers (Great Britain)
Heating and Ventilating Research Association.
London : Wheatland Journals
"Sponsored and compiled by Heating and Ventilating Contractors' Association, HEVAC Association, Institution of Heating and Ventilating Engineers [and] Heating and Ventilating Research Association".
Description based on: 1966.
Heating
Ventilation
Air conditioning
Heating, ventilating and air conditioning yearbook