I run a Carlin 301 on my 2x6. Just sounds like a fan, a bit of a loud fan, but definitely tolerable. I also will NEVER go back to wood. I run a 4.0 nozzle and made just over 100 gallons on 1 tank of oil, which I purchased for $1.79 last summer. I know I could make more on 1 tank if I concentrate to a higher level. Each year I make slight adjustments, will probably concentrate to 12% next year as I get more sap and trees tapped.
2022 4x40" RO, Welch 1397 Vac Pump, 3 Guzzler Pumps, Lapierre Releaser, 1100 taps
2021 Twin Baby Boys, Close to 650 taps
2020 Upgraded RO to 2 post and 7GBS Pump. 265 taps
2019 Smoky Lake 2x6 raised flue, Autodraw system, Maple Jet Filter Press, a beautiful new bride to be my sugaring partner :-)
2017 Expanded Sugar Shack, new 2x6 with float box, NEXTgen Maple RO, 250+ taps, still on sap sacks
2016 Sugar Shack, 2x6 evaporator, 160 taps, all on Sap Sacks
2014 110 taps
2013 35 taps