Demtroys Technology Inc. designs, makes, and markets a system that controls heating costs of electrical and gas systems alike. Demtroys™ System has offered an unparalleled solution since 2004 to building owners who support tenants' and residents' heating costs and want to offer their clients a comfortable environment. It can reduce the costs associated with excessive energy consumption and heating capacity surplus for your building and generate savings from 10 to 35% on heating costs.