The compressor fluctuates between full speed and quarter speed.
The advantage is to save some electric energy, which is certain, and it will not start and stop frequently, which is good for the compressor.
2 Heating function: In fact, a four-way valve is installed-you will find that the price difference between single cooling and cold and warm air conditioning is 300-500 yuan (according to different regions).
To sum up:
According to your actual situation, the heat load varies greatly. I suggest you choose one-for-two inverter air conditioner, which is an outdoor unit and two indoor units. So you can adjust the temperature of your home in time-the most energy-saving.