What type of elevator is commonly used for low-rise buildings?

Hydraulic elevators are commonly used for low-rise buildings due to their design and functionality. These elevators operate using a hydraulic system, which consists of a piston that is pushed up and down by hydraulic fluid. This system is particularly effective in structures that do not exceed a certain height, typically around six stories, making it well-suited for low-rise applications.

The advantages of hydraulic elevators include their lower initial cost and simpler installation process compared to traction elevators, making them a popular choice for buildings that require efficient vertical transportation without the need for complex machinery or extensive shaft space. Additionally, hydraulic elevators provide smooth rides and can handle heavier loads, which adds to their appeal for low-rise applications.

On the other hand, traction elevators, while highly efficient and suitable for medium to high-rise buildings, require more complex systems involving cables and pulleys. Vacuum and pneumatic elevators are less common in typical building settings; they are more specialized systems often used for unique or residential applications where space is limited or aesthetic considerations are a priority. Thus, for standard low-rise buildings, hydraulic elevators remain the most practical option.