He is not sending anyone to hell or heaven. He himself doesn't exist. Only people's beliefs have made the spirits to take his position, as described in the Bible, and to do some good on this earth. Beliefs make wonders. If you worship even an ordinary stone with belief, even that stone can do some good in your life. How this happens? When you worship a stone with a belief, a spirit possesses the stone and try to do some good to you. This is happening everywhere in this world. When more people worship a deity, the spirit related to that deity gets stronger and do great things in humans' lives.
All creatures including human beings are ruled by spirits. God never bothers who believes in Him. God doesn't watch each and every human being at the same time and cannot live with each and everyone to guide them. These works are done by the spirits. God had created different kinds of spirits for various purposes. He had made the spirits to watch, guide and determine the destiny of the human beings from their daily activities, talks and thoughts too. Your past determines your present and your present determines your future. God has given freewill to all creatures including human beings. According to this, all human beings have all right to live a life as they wish. But if it happens to be bad and hurts someone, they have to face the consequences. These consequences are created by spirits. It's a natural system. After death no one lives in any form. Heaven and hell are only for spirits, not for human beings. God is a mystery even to the spirits. Spirits are not eternal beings. Spirits are separate elements. A human being doesn't have a spiritual body. A human being during his/her lifetime is living with many spirits which have joined one by one since birth. They are knowledge, skills, feelings, emotions, interests and everything. Even thoughts are not your own. For example, when you want to take a decision on a subject, one after another the spirits think and you just listen, choose or reject the ideas which they transmit to your mind through your brain in the form of thoughts. Brain is just a media to connect the spirits to your mind. A mind is just a computer's mind. After the destruction of a computer completely you will not get it's mind. The same is the case with the human beings. Soul is nothing but an energy needed for the functionality of a body. It is not a spirit or anything else. After death all spirits which accompanied a person quit and go to different places searching new bodies. No one lives in any form after death. All human beings are just robots made of flesh and bones and toys of the spirits for their games.