There are several factors that contribute to the high cost of nugget ice machines. One of the main reasons is the specialized technology used to produce the unique nugget-shaped ice. The machines also often require higher quality materials, such as stainless steel, to ensure durability and reliability. Moreover, the production capacity of nugget ice machines tends to be lower than other types of ice machines, which drives up the cost per unit. Additionally, the demand for these machines has increased in recent years, which has also contributed to their high cost. Overall, the combination of technology, materials, production capacity, and demand all play a role in the high price of nugget ice machines.