Is it safe to mount televisions, electronics or other valuable items above my fireplace?

Monessen does not recommend installing any electronic device above a fireplace. Heat rising from the unit can damage sensitive electronic components found in televisions, computer screens, speakers, etc. as well as some artwork and home d├ęcor. Our products are tested for clearance to combustible finishing materials such as drywall and mantel surfaces, but are not tested specifically for use near other household electronics and decorative items.