If one of you sleeps hot and the other sleeps cold, these cooling pad setups and split solutions can help.
If one sleeper overheats and the other piles on blankets, a single shared solution rarely works. The easiest fix is split layers: a cooling pad on the hot side and a warmer layer on the cold side.
Start with active vs passive cooling and the cooling pad sizing guide, then cross-check product options in best active cooling.
For a low-profile cooling layer, see the MellowSleep Cooling EasyFit Sheet review. If you want a light cooling comforter that does not overwhelm the cooler sleeper, consider the MellowSleep CloudCool comforter review.
Trying to solve the problem with a single heavy comforter usually makes both people unhappy. Pair a cooling pad with targeted bedding instead. The mattress pad vs protector guide explains how to keep layers breathable.
Split solutions beat shared compromises. Use the buying guide to choose the right pad type and the active vs passive pads comparison to decide whether powered systems are worth it.