TiVo Roamio DVRs
I bought a refurbished Roamio OTA for my daughter and son-in-law. When he set it up, it was noisy and ran hot to the touch. I've had 3 Tivos, a series 2 (now retired), a Premiere, and a Premiere XL. None of them have run hot or been noisy.
I've noted that the Roamio has a fan between the hard...