Heat black filled icon
Three rising wavy heat lines above an open floor bracket
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About the Heat black filled icon
Three tall wavy lines curl upward from a wide open-topped bracket, the shape used on appliances to show warm air rising from a surface. Without any flame it reads as radiant warmth, underfloor heating or a hot plate rather than open fire. Use it for HVAC and thermostat interfaces, underfloor heating product pages, oven and cooktop controls, sauna and spa listings, and climate settings in car dashboards.
The three waves repeat at the same height and spacing for an even rhythm, and the floor line grounds them with two short vertical returns. It pairs naturally with snowflake, thermometer and fan icons in a climate set. Keep enough padding above the waves so the tips are not clipped.
This is the solid black filled version of the heat icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
