Our Technology

Cool air under the covers

Fresh, moving air right where you sleep — carries trapped heat and humidity away from your skin.

Whisper-quiet

Under 40 dB even at full speed — a soft, steady airflow that won't wake you or your partner.

Remote control

Adjust speed, boost, and sleep timer from your phone or the bedside remote — without getting up.

Free shipping & 30-night trial

Free US shipping, a risk-free 30-night trial, and a 2-year warranty. Sleep on it, literally.

Cool Air, Right Where The Heat Is Trapped

Zephyr sends a steady stream of fresh air under your covers, carrying trapped heat and humidity away from your skin. It's the cool side of the bed — everywhere, all night. No tubes. No install. No $600 system.

Our Bestseller

The Original Zephyr - Bed Fan

Cool air under the covers — the cool comfort of a $600 bed-cooling system, without the price, the tubes, or the install. Just place it, switch it on, and sleep.

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Our community

Loved by 15,000+

★★★★★ (4.8 / 5)

Finally sleeping through the night

★★★★★ Jessica, Austin TX

I run hot every single night and used to wake up drenched at 3 a.m. First night with Zephyr I slept straight through. The air under the covers is a game changer — I'm never going back.

Saved our thermostat war

★★★★★ Marcus, Denver CO

My wife likes it warm, I sleep hot. This ended the nightly fight — I cool my side without freezing her out. Quiet too, I honestly forget it's running. Worth every dollar.

Set up in a minute, no joke

★★★★★ Danielle, Phoenix AZ

I almost bought one of those $600 systems with tubes and a hose. So glad I didn't. Zephyr clipped onto my bed in under a minute and does the job. Simple, cordless, and it just works.