Has anyone ever tried just running a humidifier in the room nearby? Seems like maybe that would help if the incubator is struggling to keep the humidity up where you want it?
You could also consider putting a couple stones in the incubator (warm them first in warm water). They should absorb heat and then release it back if the power cuts out.
Note - I haven’t done this myself, this is just me brainstorming, trying to think of something that could help regulate the...