It **may** be possible to instead use a **cheap** ASIC rig, but use fans that can reduce fan speeds, and then customize the power outputs to make it **silent** (or nearly so).

> It's just a concept but how can you not love it 🥰
>
> ![CryptoCloaks Proof of Concept quiet space heater using an S9](https://i.postimg.cc/L6cYQz5W/image.jpg)

https://twitter.com/CryptoCloaks/status/1599076294708584448 [[Nitter](https://nitter.at/CryptoCloaks/status/1599076294708584448)]

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Compare that to the $1,200 Heatbit monstrosity:

![Heatbit](https://i.postimg.cc/MGWjb4NF/image.webp)

For additional comments on this device (and why there are much better options), see the following posts:

*The first heater that mines bitcoin*
https://stacker.news/items/95352
https://www.heatbit.com

*Heat your home while mining BTC*
https://stacker.news/items/87158

*Heatbit, "The first heater that mines bitcoin"*
https://stacker.news/items/96457
