Heat black outline icon
Three rising wavy heat lines above an open floor bracket
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About the Heat black outline 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 black outline version of the heat icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
