What is the solution of heat release through body during meditation?

The human body combusts energy and heat is one of the effects. No matter what form of union you make with your body it is still going to produce heat. Any metabolic activity is represented by the caloric exchange. If the body is too low or too high the individual will not be concerned with any other solution than to get back to the normal temperature that indicates proper metabolism function. Now that one has the union with their body well coordinated, some practice different metabolic rates so as to slow the whole metabolism down to where the production of energy is minimal and the emissions reduce to levels not detectable by any instruments or even people. This is a whole different thing and takes one who is well coordinated with metabolic activity and know how to do so effectively. This is not easy and there are no shortcuts to the hard work involved at this level. It is another one of those times when one realizes where the true mountain is and the faith needed to bring it down and only involves hard work in the least.