I have the 4' high Permanet, and it is up year round. We've had some snow this year. I've found that if the snow is powdery, I can easily clear it with a broom. But, if we get the wet heavy snow, and then a freeze like we've had this year, I couldn't really do anything with it. Just had to unplug and let it be like a regular fence. My birds don't like snow, and they chose to stay in the coop for over a week. I cleared a area for them, and some of them came out and milled around under the coop. I was a bit worried about maybe a fox taking advantage of the de-energised fence. But my theory is, that they have been shocked in the face more than a couple of times, and they have a healthy respect for the fence, so they stay away. At least, that's what I hope. I much rather have the fence energised. I saw a buddy's dog try it out once, and he didn't go within 50yrds of the fence,for the rest of the visit. Stayed waaaaaaaaaay back.