Leaving a space heater on in your child's room overnight does two things: heats up the room and causes extreme paranoia. Space heaters aren't exactly the safest route to warm a living space, but sometimes it's the only option.
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The Dyson Pure Hot Cool Link air purifier takes away that paranoia. The device is safe, as it doesn't have any blades or exposed hot coils. It just quietly and efficiently does its job while you sleep. (You can also be awake, duh.)
Use the remote or touch pad to adjust the temperature, or connect it to the Dyson Link app to control it via your smartphone. It also works with Amazon Alexa.
Through the app, you can also get real-time air quality reports, which shouldn't be terrible considering the device is also an air purifier with a HEPA filter that eliminates 99.97% of allergens and pollutants.
The device converts to a fan that can also be used as a gentle white noise machine. Even though it's called a cooling fan, it really just acts as a regular fan. But again, without the blades.
Purchase the Dyson Pure Hot Cool Link on Amazon for $495.