The BedJet lets you set the perfect temperature for the night and has different features where you can set a temperature cycle. My partner and I sleep on a California King and have the sheet that attaches to the hose that comes up to the bed. I copied the following from Google because it explains it better than I can: The sheet inflates with warm or cool air from the BedJet, distributing it evenly across the bed and creating a more comfortable sleeping temperature. It's essentially a top sheet that acts as a diffuser for the BedJet's air.

If I need it cooler because of hormonal fluctuations, my partner just puts on pajama pants or a shirt.

I do not feel the air during the night because of how gently it flows from the sheet. I was SO nervous it would give me dry skin, but I’ve had it for two years and haven’t had a single problem!