Yes, primarily bought it for supplemental heat. We live at 8000 feet in the Wasatch and usually burn 6-7 cords of wood every winter. Last year we bought a Q rather than firewood. Only used 2 cords and ran the Q all winter in super mode. The wife actually enjoyed the light fan noise and we ended up running it November -April and a little in May on colder mornings. We're going to grab one more for this winter. It was so nice to not have to get up and start a fire. We didn't really pay attention to power usage because we have to pay for heat one way or another. I used the f2pool mining that came with it. Easy to setup. We mined 770k sats, burned less wood and had a happy wife and kids. Zero downside. A second one will make it downright nice, IMO.