@Lvmybys2
I still have a heated water bucket with nipples and heater tape wrapped on the outside. It worked fine.
However me being how I am I only had the one bucket and I found myself becoming lazy and not cleaning the container and changing the water as often as required.
Hens do not...
I realize a lot coops on this site have electricity and it is needed when raising chicks.
That being said; I always cringe when I hear of electricity in a chicken coop for heat. It you want to help your birds then put in air conditioning.
Dry bedding, 120 volts, dust, feathers, a flighty or...