The fridges make no noise at all, unless you can hear the flame burning. If you use a fan inside it, you might hear it, though I never have when ours is running.
2017 Escape 5.0 TA (someday soon, I hope
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln