@KDOGG331 you can move them outside with the mhp to keep the comfortable...especially at night. As they acclimate and grow more feathers, they will stay out from under "her" to explore their surrounding in their coop pen. You will see them on top more too.
My chicks in the brooder room have a 11 X 12 foot area to run and play in with older chicks and have the broody hens and a big rooster that is great with chicks. They are learning social skills. But they run either to a hen for warmth and protection or to their red heat lamp that is hanging 14 inches off the floor. This week, I will raise the height to 18", then 24".
Another group of chicks will move to the brooder room this week since another big hatch is in the works now.
I'll move the oldest chicks to the hen house when I move the littles out to the brooder room.
Considering making a mhp for the littles to compare how both groups are handling the temperatures.
I also have a 30 x 40 standing brooder I can use...
As an update: I caught Maggie off her nest this morning bathing and eating so I scurried to her nest flashlight in hand to candle her eggs.

There are 10 eggs!
I estimate from the air cells that we may have 6 to 8 days before hatch....so on
@Miss Lydia 's advice, I'm going to collect the nest material, eggs and Maggie in a pet carrier as soon as hatch begins.
I have put together a quiet secure corner pen in the barn for hatching.
Then I have room for a small pen next to the duck coop for Maggie and her babies where Maggie and her babies can see and transition into the duck flock.
Baby ducklings are soooo cute!
The six that hatched before Easter are feathering out nicely and are in a separate pen coop in the garden.
The five that hatched after Easter are still in a brooder in the hot tub room. One of them is really tiny. I may test the mother's instinct and see if Maggie will adopt it....