I don't know if they will stumble but I can.

If you have a sealed room and the proper CO2 equipment, valves and timers.
Yes you can run higher temps with high levels of CO2. Finish your grow, bigger and a week or so early.

The trick here in hydro is to keep the water and rez cool. Many ways to do that. Chiller for rez or keeping the rez in A/C in another room and keeping water circulating. The rez must stay cool or root rot.