Yes, building hoists can be used in high-altitude environments, but their performance may be affected. At high altitudes, reduced air density can lead to decreased efficiency in hoist operations, particularly those powered by combustion engines. It's crucial to select hoists designed for high-altitude use, which may include features such as high-altitude ignition systems and special lubricants. Additionally, regular maintenance and adjustments to the hoist's operation parameters are necessary to ensure safety and optimal performance.