Very nice looking hives! I need to paint something on the front of each hive. They say it helps the bees find home, even though they use scent to find the right hive.
I put bubble wrap under the top cover. Help with the heat and the cold, I would think lol. The screened bottom is supposed to help with the mites, they drop off and fall out of the hive, also ventilation. I still need to make a flat area for them (the only flat we have is the house and driveway) , put down a tarp and some gravel, supposed to help with the hive beetles.
They are now saying full sun, top of your land i.e. with our slope they will be near the garage , which is the top of our slope. The bottom of the slope near the pond stays too damp and cold. Most of my ponds are slow moving water, The stream only flows when the timer is running, but retains water, so between all the ponds they will have a lot of water to drink. I planted 4 large, (100 x 10 feet, 70 foot circle, 100 x 7 feet) full of nectar friendly flowers. Those I have to put up the electric fence to protect from the deer. Also planted a garden for the deer to snack on. Will be putting the electric fence around the hives, a black bear was seen in the woods behind our house, they love bee hives. That will also protect them from the raccoons and skunks. Ants are another issue, if they are a problem I will need to put the hives on something that is in motor oil. We have tons of ants.
Right before the cold hit we put in 10 black locust trees, known for having great nectar flow for the bees. We have fruit trees. The maple has great nectar but it blooms to early, the bees are not out feeding when it does.