Bitcoin miners are designed to validate transactions on the Bitcoin blockchain. In order to do this, they need to solve complex mathematical problems.
In return for their efforts, they are rewarded with a certain number of bitcoins. The more bitcoins they earn, the more incentive they have to keep mining.
However, all this mining activity requires a lot of energy and generates a lot of heat. As a result, bitcoin miners are often noisy. Some people have even complained that the noise generated by bitcoin miners is so loud that it keeps them up at night!
So, are bitcoin miners noisy? Yes, they can be. However, there are ways to minimize the noise generated by mining hardware.
For example, some miners are designed to be used in data centers where the noise can be controlled.