Brad, please see the post I made over on your other post of this question on the Vegetable Gardening forum. Gave you a link to the issues and methods on that post.

Dave

I store all my seeds in the freezer - individual packets or labeled envelopes if its saved seed, then those bundled inside plastic ziplock freezer bags.

/has two chest freezers

This subject is covered in more detail in the "Seed Saving" forum.

Humidity and warmth are what will do serious harm to saved seeds so storing them in the freezer could prolong the viability, provided you make sure they are dry.