1, Royalstar air conditioner with excellent performance and quality has many patented technologies, stable operation, low noise, good refrigeration and heating effect and low energy consumption, and has adopted many environmental protection technologies, such as ozone protection technology and refrigerant environmental protection technology.
2. Oaks air conditioner is also a brand with good performance. It has the functions of rapid cooling, heating and self-cleaning, with low noise and novel design. In contrast, Royalstar is better than Oaks in air conditioning.