Slant/Fin is America’s largest manufacturer of baseboard heating equipment. They are also one of the top manufactures of gas and oil boilers. Since 1949, heating contractors, engineers and builders have depended on Slant/fin for products of the highest quality. Slant/Fin heating equipment is installed in millions of homes in the United States, Canada and around the world. Slant/Fin was founded by Mel Dubin in 1949. It was started in the back of a bakery in Coney Island, NY. When the company started its focus was commercial grade element and the original design was a locked, slanted fin, hence the name Slant/Fin.