Waste heat utilization device for heating ventilation air conditioner

The utility model discloses a waste heat utilization device for a heating ventilation air conditioner, and relates to the technical field of heating ventilation air conditioners. The waste heat utilization device for the heating ventilation air conditioner comprises a wall body, a collecting box and a box body, an air conditioner outdoor unit is fixedly installed on the other side of the wall body through an air conditioner support, and a fixing transverse plate is arranged above the air conditioner outdoor unit. Through cooperative use of the collecting box, the cloth bag and the dust collecting box, hot air generated by the air conditioner outdoor unit can be collected, dust filtering treatment is conducted on the hot air through the cloth bag during collection, dust carried in the hot air is removed, a hollow pipe is connected with air blowing equipment, air enters an air injection hose through a lead screw and then is blown out through an air outlet pipe, and the air blowing equipment is connected with th