Greetings from NJ- I take the grids in for the winter. In the fall,I hose the grids down one by one. I put the grids back together and keep them in the attic. In springtime I put the grids back into the filter. I keep my pump and heat pump uncovered all winter long. I am thinking about covering the heat pump. I have only had the pool for 4 years so I am still learning(thanks to this forum 0 . Just my 2 cents.

Ed