I slept with the BedJet 3 running under the covers for three weeks in June, queen bed, single zone, no Cloud Sheet, just the nozzle clipped to the foot of the mattress. Short version: it does something none of the cooling sheets or gel pillows I’ve tried can pull off, which is physically haul the hot, damp air out from under the duvet. Whether thats worth $569 depends a lot on your bedroom, so let me get into it.

First thing to understand, this isnt an air conditioner. It blows room-temperature air, just a lot of it, and fast. So it cant make the bed colder than the room itself. What it does is stop heat and sweat from piling up under the blanket, and that trapped, swampy feeling is what jolts most hot sleepers awake at 2am. In our air-conditioned bedroom set to about 70°F, the bed went from stuffy to genuinely cool in roughly five minutes on the cool setting. On a muggy night with the AC off and the room creeping past 78, it couldnt keep up, which is exactly what BedJet warns about. If you want a true refrigerated cold, the water-based systems in our bed cooler roundup actually drop below room temp, the BedJet does not.

The heat mode surprised me more than the cooling did. Hit the button and the bed is warm in under a minute, which for cold winter feet is the kind of thing you don’t realize you needed until you’ve got it. My partner steals the heat function constantly. It warms a bed far faster than an electric blanket and there are no wires across your body. If warmth is the only thing you care about, a heated mattress pad costs a lot less, but it cant cool you in summer the way this can.

The feature I almost skipped and ended up loving is the Biorhythm scheduling. You set different temps for different hours, so it runs cool while you drift off, eases back during the deep-sleep stretch, then nudges warm before your alarm. Setting it up in the app is fiddly the first time and the LCD remote feels a little dated, but once its dialed in you stop thinking about it. Pairing it with breathable bedding helps a lot too, our picks for the best cooling sheets let the airflow move instead of fighting a heavy comforter.

Now the catch, and its a real one. There’s a fan in here, and you can hear it. On low its a soft whoosh that, honestly, works as white noise for me. Push it to turbo and it’s closer to a box fan on high. If youre a light sleeper this matters. What I ended up doing was running it hot or cold for a few minutes to prep the bed, then dropping it to a low setting for the night. Setup itself took about ten minutes out of the box, the unit sits on the floor and the nozzle tucks under the top sheet, and it works on any mattress without lifting anything.

One more thing on value. The $569 price is for a single zone, meaning one unit and one temperature for the whole bed. If you and your partner run opposite, hot vs cold, you’d want the dual-zone setup, which is two units and costs more. And the Cloud Sheet, the accessory that spreads the air evenly across the whole bed instead of just where the nozzle points, is sold separately. I did fine without it, but it’s an upsell to know about going in.

Get the BedJet 3 if you sleep hot in a bedroom that has AC or stays under about 78 degrees, if you hate the damp feel of water-based cooling pads, or if you want fast winter warmth without an electric blanket. Couples who fight over the thermostat are the other clear win, just go dual zone so each side runs its own temp.

Skip it if your bedroom runs hot with no AC, because moving warm air around won’t fix that. Skip it too if you’re a very light sleeper who can’t tune out a fan, or if what you really want is that deep, refrigerated cold, in which case a compressor or water system is the better call.