Green Products Otis’ environmentally friendly Gen2® belted, machine-roomless lift system sets the standard for lift performance, efficiency and comfort. The Gen2® system’s flat, polyurethane belts and permanent magnet gearless machine do not require any additional lubrication, eliminating the need for storage, cleanup and disposal of hazardous waste. The Gen2® system is up to 50 percent more energy efficient than conventional lifts. And it delivers a smooth, quiet ride. In addition, rapid installation methods save contractors time and reduce construction costs.