Environ™ Floor Heating Systems are backed by WarmlyYours 5 and 10 year “No Nonsense™ Warranty* and WarmlyYours highly recognized lifetime 24/7 technical support. Due to the fact that we will also cover not only the cost of labor, but also the cost of the floor itself, our warranty is renowned for being an industry best. Our “No Nonsense™ Warranty” for Environ covers 5 years for under carpet applications and 10 years for under laminate or floating wood floors.