For tips on dealing with your weather, I would check out what people in the Canada thread and state threads with similar weather recommend, there are also some threads that have nice nice tips on dealing with winter...
i am not sure if you have seen it, but there is a section on homemade incubators in the BYC Coops section, most have details on how to make them, some fo those might be what you are looking for? https://www.backyardchickens.com/a/homemade-chicken-egg-incubator-designs-pictures
Hello :frow and Welcome To BYC! Sounds like you have a really nice set up for your birds, sorry about the ones you lost, this has been a rough winter.
A good place to post pictures if you want help identifying birds is the What Breed Or Gender Is This Forum, or on threads for the type of...