The greenhouse is a high energy construction

especially in cold area.It needs to adopt a variety of effective ways to reduce energy consumption as much as possible

and also must satisfy the needs of the plant growth and basic requirements for the staff. This paper introduces in detail the key points of HVAC design of a greenhouse in cold area

from the enclosure structure

heating and cooling system

heat transfer enhancement of radiator and ventilation of different seasons

take the Heixiazi Botanical Garden as an example.