Magnetic refrigeration is a form of application of thermocycling in conjunction with magnetism resulting in a promising technology that allows the manufacture of refrigerators independent of refrigerant gases that are harmful to the environment. The independence from refrigerants is obtained by replacing the vapor compression, the basic process of the current refrigeration technology, by the magnetocaloric effect. Intrinsic characteristics of certain magnetocaloric materials, which, when subjected to a magnetic field, have their temperature increased, not by magnetic induction, but by the alignment of the spins of the material. In this work, a study is proposed on the application of magnetic refrigeration to a real system, that is, taking into account all the technology of existing heat exchangers to take advantage of the magnetocaloric device. This complete study is adopted (magnetic refrigerator in conjunction with a real thermal system) since the most common situation found in the literature are tests that focus solely on the innovative device, i.e, the active magnetic refrigerator, but disregard the modeling and future losses inherent to an integrated thermal system For that, a model with lumped parameters was developed, which is solved with all the equipments coupled, taking all the elements of the system as relevant and impacting oin each other.