Static load calculation is the most critical safety step, especially when installing a jacuzzi on upper floors or balconies. An empty jacuzzi, once filled with water and users, can weigh between 750 kg and 1 ton. This load can exceed the floor's bearing capacity, leading to serious structural problems or collapse, which is why approval from a civil engineer is essential.

Waterproofing is one of the most important steps in jacuzzi installation because it prevents water from leaking to lower floors in case of a siphon malfunction, overflow, or general leakage. This insulation acts as the sole safeguard against severe water damage and mold growth that could occur on the ceiling of the floor below. Professionally applied waterproofing protects against costly repairs in the long run.

Jacuzzi electrical connections are extremely sensitive and dangerous because the motor, heater, and other components draw high power. Incorrect connections pose risks of electric shock, short circuits, or fire. Therefore, it is mandatory for safety that a separate, grounded electrical line, protected by a residual current device (RCD) and drawn from the main fuse box, is connected only by an authorized and experienced electrician.

Perfectly leveling the jacuzzi is critically important for both aesthetic and functional reasons. If the jacuzzi is not level, when filled with water, the water level will be higher on one side and lower on the other, creating an unpleasant appearance. More importantly, the weight will be unevenly distributed, which can lead to stress and cracks in the acrylic body or damage to the legs over time, shortening the product's lifespan.