hydrocarbons21.com aims to support the worldwide use of hydrocarbon refrigerants in cooling, refrigeration, and heating. It is more than a platform to advertise Hydrocarbons (HC) technology. Rather it is an interactive tool that will help you stay connected with the global HC community and be informed about latest developments regarding the use of hydrocarbons as natural refrigerants, including propane, isobutane, propylene and others.