BedJet 3

What Is the BedJet 3?

The BedJet 3 is a fan and a heater in one small unit that sits under or beside your bed. It pushes room air through a hose to a nozzle at the foot or side of the bed, under your top sheet or into an optional Cloud Sheet. There's no water, no mattress pad and no subscription.

It is not an air conditioner. Cool mode is a fan (up to 40 W, per BedJet), so it can't make your bed colder than your bedroom. BedJet says cooling works best below 79°F (26°C).

How It Works

The unit pulls in bedroom air, heats it or passes it through, and blows it under the covers to flush out the warm, humid pocket there. Moving air and faster sweat evaporation are why it can feel cooler than the room. Heat runs 100–1,100 W, with a 1,500 W Turbo pre-warm for up to 10 minutes (per BedJet).

Heat safety (per BedJet's manual): don't use it with an infant, or with anyone who can't sense heat well or adjust it themselves, such as people with nerve damage in the feet or legs (common with diabetes), very poor circulation or reduced mobility. Use Turbo as a short pre-warm rather than all night, and plug it straight into a wall outlet, not an extension cord or power strip. If you have numbness in your feet, ask your doctor before using any bed heater.

Key Features

• Thermostat range: 66–109°F (19–43°C) overall; cool mode tops out at 78°F (per BedJet's manual)
• No subscription: a free app (Bluetooth and Wi-Fi, both can be disabled) and a color-screen remote that works without a phone
• Biorhythm scheduling: hour-by-hour temperature programs at no extra cost
• Three setups: BedJet 3 (full), the smaller Mini, or a Dual Zone bundle (2 × Mini + Dual Zone Cloud Sheet) for couples
• 60-night trial and a 2-year warranty that isn't tied to a membership
• No sleep tracking

Prices (US, checked October 16, 2026)

• BedJet 3: $498 on sale (list $699)
• BedJet 3 Mini: $478 on sale (list $659)
• Dual Zone bundle, Queen: $969 on sale (list $1,549)
• Cloud Sheet (optional for single-zone setups): from $139

BedJet runs sales often, so check the current price before you buy.

What Published Research and Owner Reviews Say

This summary is based on BedJet's published specifications, manual and policies, one small BedJet-funded study and BedJet's own owner survey. We haven't used it ourselves and don't run lab tests. The study BedJet cites is a small 2018 study it funded, with no comparison group, published only as a conference abstract and poster. BedJet's owner survey is self-reported and hasn't been independently verified. Treat both as company claims. Sources and details are in our full BedJet 3 review.

The Bottom Line

The BedJet 3 is a value pick if you sweat at night in a normal-temperature room, want heat in winter and don't want a subscription. If your bedroom regularly runs over 79°F or you want a cold surface, water-based systems such as Sleepme's Chilipad or Eight Sleep can cool below room temperature; air can't. Read our full BedJet 3 review for Mini vs full vs Dual Zone, Canadian prices and the 5-year cost comparison.