FondsNL Member Oct 29, 2017 734 Jan 29, 2020 #4,651 Seems like a good investment then. I honestly don't last for more than 30 minutes without a full fan and an open window near me. Time for an indoor FTP test to check out those numbers by the way! Don't have any experience with TrainerRoad, so far I've only used Zwift. I'm happy with what it offers as it's mostly for short 30-60 minute workouts, at a maximum of 3 times a week. When it's dry, I'm riding outside.