Idea of Heating Icon
This image is a square with three vertical lines inside of it. These lines are slightly wavy and parallel and appear to signify the rising of warm air through a vent or furnace.
This Heating icon is part of an icon pack of 101,200 web icons. Icons are available in PNG, SVG, CSS, PDF, and EPS formats, as a font, and in other vector formats. Unlike other icon packs, our web icons are designed by a single designer, guaranteeing the consistent style and quality.