2, add a quilt: add a quilt to the original air-conditioned quilt, the air conditioner below is used for heat storage, and the new quilt above is used for wind protection, which can achieve a good warm effect.
3. Pad electric blanket: Turn on the electric blanket two hours before going to bed, so that the hot air of the electric blanket can fully contact with the air conditioner, and it will be warmer when sleeping, but pay attention to the safety of electricity when using the electric blanket.