Yes lclark, you should be careful about your chickens, fleas, mites or pests can harm them. You can take help of some professional like Exterminator West Haven CT which you can find online to exterminate the area where you are gonna be putting, this can decrease the chances of fleas, mites or...
If you see any signs of termites in your house. It is important to take action as soon as possible because termites damage the wood. So one can try calling a professional or can use some pesticides to get rid of them.
I do not about this company n=but there are some companies that use eco-friendly chemical solutions that do not harm anyone around not even pets, pets would also cover your chicken.