You can easily do HIIT with minimal infrastructure. Burpees and jumping squats for example will get your pulse up in no time.
It will likely require a shower afterwards though which might pose a problem.
It will likely require a shower afterwards though which might pose a problem.
1) A 60 degree F room to stave off sweating
2) Enough exercise to be healthy but that stops just short of making you sweat
3) (2) is variable based on body weight of course