At home, I've been OK w/ simple surge suppression.

But at my in-laws, they've gone through several printers, several VCRs, at least 2 Tivo HD's, several HDDs, and many other inexplicable electronic failures that can't be debugged. I strongly believe it's noisy power coming into the house. PG&E is actually monitoring now.

I want to do a test to see if a line conditioner would actually add any value. I contemplated a UPS but I don't want to have to replace their battery every 5 years. I was looking at some of the Tripp Lite power conditioners around $100. Has anyone here used those? They're reasonably priced at PartsExpress.com.

Thanks.