ups

Hello, I have a Schneider UPS That I bought last June and it has now taken to screwing up at in opportune times. We had a power outage at the cottage when I was not there, and I could tell it was not working because I could not access my thermostat via the UPS. So, I had someone go in and...

I know this has been discussed in various threads but I'm looking for a good solution that I can implement in 2-3 locations where my sensitive electronics are located while running the whole house on a Duromax XP1200EH. From the reading I've done here and on the web, I know an online double...