My opinion probably won't be a fav, but since everyone is giving their opinion, I'll give mine.
 
I love my dogs and have lost a few.  I would love to see them in Heaven, but I don't believe I will. 
God is love and peace and everything everyone has said.  But you have to make a conscious decision to believe, be saved and baptized (not required) to go to Heaven.  It is not just a given that all people go to Heaven.  It is a lifestyle and effort on our part to go to Heaven. Good works do not get you into Heaven...it is much more than that. 
I have been taught and believe that children who can't make the conscious decision b/c of age all do go to heaven. 
But, as much as I love my dogs, I don't think I will see them in Heaven. 
Sry, please don't take offense, that is just what I have learned and believe. 
