Vending machine with heat transmission system

A vending machine, comprising:

• a cabinet comprising a heat source and a goods storage space;
• and
• a heat transmitting system comprising a first air inlet tube, a second air inlet tube, an air outlet tube, and a gas valve, the gas valve comprising a valve body and a valve spool, the first air inlet tube connecting the heat source to the valve body, the second air inlet tube connecting the goods storage space to the valve body, the air outlet tube connecting the valve body out of the vending machine, and the valve spool is configured to rotate in the valve body between a first position and a second position;
• at the first position, the goods storage space is heated by heat generated by the heat source by connecting the first gas inlet tube to the second gas inlet tube in the valve body via the valve spool;
• and at the second position, the goods storage space is cooled by connecting the first gas inlet tube to the gas outlet tube in the valve body via the valve spool.