You need to add a surge system to your incoming electrical service. You can find them at real electrical supply houses. Most home box stores don't carry them:
Here is an example from Siemans:
http://www.sea.siemens.com/reselec/product/rzcbsa.html
There are also special outlets (TVSS) that you can install which have better surge protection than the average plug-in kind. PM me if you want more info.