The ducting brings the temperature drop to an almost unnoticeable delta. If you are worried, just install it near your furnace. It’ll eat radiant heat from that

The ducting brings the temperature drop to an almost unnoticeable delta. If you are worried, just install it near your furnace. It’ll eat radiant heat from that corner that would otherwise go into the walls, egress windows etc. Every other part of the year, you either don’t mind or benefit from the cooling. I have the stats from my own Rheem to know I’m coming out ahead financially during winter and also haven’t seen a meaningful swing in the basement climate. I’m a regular participant in that linked blog, too. :)