For an economical and easy-to-use Bitcoin miner that can also serve as a space heater for an office, the BitChimney Space Heater is an excellent choice. It is specifically designed to be a dual-purpose device, allowing you to mine Bitcoin while simultaneously heating your space. This makes it an efficient and practical solution for an office environment where heating might be required during colder months ^1^.

The BitChimney Space Heater is known for its ease of use; you simply need to plug it into an outlet and set up the hardware. This simplicity makes it accessible for users who may not have extensive technical knowledge. Additionally, it is an affordable option compared to some of the more high-end mining rigs on the market, which can be a significant advantage for those looking to balance cost and functionality.

8 Best Bitcoin Mining Machines 2025 (Expert Reviewed) | CoinLedger

https://coinledger.io/tools/best-bitcoin-mining-hardware

Budget and office size are factors

nostr:nprofile1qqsgpcwa0s0nfsy5gl5d3frpe9el09lew09l0pzr4a9jjxlemx0gz9cpremhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet59uq36amnwvaz7tmwdaehgu3dwfjkccte9emkcann9eehqctrv5hsucgdpu has a sleek higher price

Canaan has options to compete above but also a smaller unit that would work for your desk in the Avalon Nano 3S

Then you could do the cheaper and equal heating of an S9 DIY, but can't buy it off the shelf. You can get a nice case from nostr:nprofile1qqs03eyq7ja4xlavcx7m6qs0dhh6zdht650s27u4ldq9p039yncucycpp4mhxue69uhkummn9ekx7mqpzfmhxue69uhhqatjwpkx2urpvuhx2uc966psx

https://www.amazon.com/New-Canaan-Avalon-Nano-Miner/dp/B0DT4CHBZB