Did you know your HVAC system can be harmed (even destroyed) by power surges? Thunder and lightning storms are common occurrences here on the East Coast, and along with all of that rain and noise, we frequently receive power surges. Most people purchase power surge protectors for computers and TVs, but not everyone realizes that power surges can damage your HVAC system, leaving your home without heat or air conditioning (not fun when temperatures are extreme!).