Battletech is in the queue already for updating. You can boost it to get it updated sooner. Only costs 5,000RC. If you find a game is in need of updating, you can use the Update system at the top of the page as well. 🙂
Fill out the option request and they will let you know.
Please use the trainer option request system for requesting new options be added to this trainer and/or vote on options already requested.
Did you generate some heat first before using option Numpad 1: No Heat Generation?
Or did you try option F2: No Heat Generation Version 2 then? Does this work for you?