So I’ve dealt with many crappy landlords over my years of being a tenant. I am NOT saying you are a crappy landlord at all, I don’t know you so hear me out.
I have moved into three different places (all sight unseen, which is my fault but cross country relocations are hard all around) that needed lots of work done as soon as we moved in. Sometimes they have taken care of things properly and promptly, and other times they thought I was nuts. I have always listed these things on my move in inspection sheet, btw. One example: I have young children and moving into a place that has things like the gas furnace (upstairs in the closet between the bedrooms) not working properly and the HVAC tech telling me it was installed wrong are not things that would warrant me being seen as a complainer. In your situation, electrical problems across the house - it’s completely understandable that they would complain as it’s not just an inconvenience but a safety issue, like mine was with the gas furnace.
Work that was done and not finished or where the contractor left a mess for the tenant to clean is something I would complain about. It’s not my fault the work needs done, and it’s not my fault they didn’t try to clean up (this has also happened to me in the house I’m currently in - guy got caulk all over the bathroom after reseating a wobbly toilet, and I didn’t notice till it was hardened).
I wouldn’t complain every day but if I felt I was being ignored, and it was a habitual issue, I might get increasingly more upset with you.
If to them it seems like “it’s always something,” they might be happy to leave. One landlord let me out of the lease after I complained that the heat wasn’t working (this house had so many problems including him promising us a kitchen remodel when we moved in and then he got mad when I told him the contractor left the cabinets outside overnight - with dogs in the adjoining unit who liked to pee on everything, anyway this was winter in Wisconsin and he flat out ignored me for several days when I told him the heat wasn’t working). If you think it’s annoying to you, they are the ones living it and it’s worse for them. And if they feel you don’t care about the problems YOUR place has, and they have to contact you constantly to get a response, it’s not a good fit and you should offer to let them go with no penalty. I would make sure their complaints are checked over throughly while turning the unit. They’re probably not just liars and are as tired of you as you are of them.
With our own tenants, we ALWAYS address repair requests or urgent issues like a frozen air conditioner immediately. It’s our house and if it gets messed up due to our own negligence, we are not only screwing our paying tenants but our own selves.