If it needs to be warm, we can heat it up. If it’s too hot, we can cool it down. Need to keep either from escaping your commercial or residential building? We can lock it in or keep it out. ETRU is a full service heating and air company specializing in the application of insulation and spray coating materials. In fact, the majority of our projects are now spray insulation and the application of polyurea coatings which are gaining great popularity in municipalities, street departments, schools and government institutions.
For over thirty years ETRU has been serving Southern Illinois, St.Louis and Southeast Missouri. ETRU has recently expanded it’s services in the great state of Tennessee. We’re now offering services in and around Nashville metro area.