The best solution for the CPU is:
LP53 + NH-A9x14 with a low-noise Adapter and a fan duct. The Nh-L9i/a is just a few degrees worse than the LP53 or the C7.
For the GPU:
Use a GPU with a massive heatsink and let the fan run slowly. Combine this with some undervolting. I use a 1080Ti FTW3 that...