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Bring heat between your sheets with BedJet v2

A smarter second edition of BedJet will not only blow hot or cold air beneath your sheets, but will also automatically adjust its settings while you sleep to try and keep you comfy throughout the night.

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BedJet, LLC

In search of the perfect night's sleep, BedJet v2 is back on Kickstarter and aiming to increase its brain power over the first version of the hot-and-cold fan you slip under your sheets. Already past its goal more than 15 times over, BedJet v2 adds sleep cycle smarts to its temp control system. Complete with customizable settings, BedJet's new brain will aim to help you sleep deeper and longer, and wake up more refreshed by automatically adjusting the temperature of the air it's blowing throughout the night to match the natural changes in your body's temp as you sleep.

BedJet fits a nozzle underneath your bedding, and gently blows warm or cold air over you throughout the night. The original version found success on Kickstarter back in 2013, and is available for $500 from BedJet, LLC's website (the international price is $529, which converts to approximately £340 and AU$717 for our readers in the UK and Australia, respectively). Version 2 adds in those adjustable night-long hot and cold cycles and should ultimately sell for a similarly high retail price, but it isn't available for delivery to Australia yet.

Bringing back the basics

The basics of BedJet v2 will stay largely the same as the first version. On its website, BedJet rails against the inefficiency and poor design of electric blankets, so BedJet keeps all electronic pieces out of your bed.

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BedJet, LLC

The installation video makes the process seem simple enough. Place the engine under your bed and attach it to a nozzle nestled just over your bottom sheet. Connect the two with an expandable hose and secure the hose and the nozzle in place with a bracket held between your mattress and your box spring.

You can then make your bed with your top sheet over the nozzle and when you lie down, you can turn on BedJet with the included remote control or the iOS and Android app. Like the original BedJet, BedJet v2 connects to your smartphone using Bluetooth LE. BedJet blows hot air or cold air, and you can buy a pack of two BedJets along with the company's AirComforter that separates the airflow of the two sides of a queen- or king-size bed. A couple can then set two different temperatures without interfering with the temp on the other side of the bed.

If you don't want the air blowing on you directly, you can put the nozzle over the top of your cover sheet, and beneath your blanket or comforter. BedJet also has a neutral setting for air that's not heated or cooled if you just want circulation. The fan looks to gently lift the sheets as it works, and can supposedly cool off your covers within 10 seconds, and warm them within three minutes. BedJet does specify, though, that the fan should not be used in place of an air conditioning unit, as it's less effective in rooms above 79 degrees Fahrenheit (26 degrees Celsius).

Since I don't like air blowing on me, I'm not sure how well it'd work for my own sleeping needs. Yes, you can put the air stream above the top sheet, but I think you'd still feel it on your face. And since it needs a cover over it to keep the air stream focused, I'd be worried it would lose its potency on the nights when I toss and turn and kick the covers out of place.

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BedJet, LLC

Smarter sleeping with v2

Perhaps the new smarts of BedJet v2 will help with this. The idea is that your body temp lowers as you sink deeper into sleep and raises as you wake up. BedJet gently keeps things cool during those deep parts of your rest, then warms things up to help you rise and shine feeling refreshed. If it works, that means less tossing and turning. BedJet even goes so far as to say it can replace your alarm with this system.

I'm just not sure how precise it can be with your sleep cycles without some sort of connected sleep monitor. Again, BedJet says you can customize everything via the app, but it's often tough for me to predict how I'm going to sleep on any given night, and if it starts cooling me off before I'm out and ends up waking me back up by accident, I'd be pretty angry.

Outlook

The basics seem mostly sound here, even if I'm unconvinced of the smarts. If a fan that cools you or heats you from within your bed appeals to you, now is a good time to buy in, as the preorder deals on Kickstarter take more than 50 percent off of the $500 retail price of BedJet v1.

Given that the hardware is already all set, BedJet v2 is also relatively low risk for a Kickstarter project. With an expected delivery date of December 2015, the company will even offer a refund if you don't get your unit by December 24. If it actually leads to deeper sleep and easier wake-up times, BedJet could be money well spent.

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