(0, 2) Heterotic string compactifications from N=2 superconformal theories

We study the construction of (0, 2) heterotic string compactifications built by tensoring of N =2 superconformal theories. These models are obtained by embedding discrete symmetries of the superconformal blocks into the gauge degrees of freedom and using orbifold techniques. Some of the resulting models can be understood as the addition of Wilson lines on an original (2, 2) background whereas other cannot. Phenomenological implications of these new constructions are briefly discussed.