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Hand turning a knob with efficiency scale from black and red to green color. Composite image between a hand photography and a 3D background.
3d energy chart for concept design. 3d vector illustration. Chart concept. Vector icon.
Green and sustainable environment with reusable energy source outline concept. Urban city scene with wind or solar electricity, efficient home and clean ecosystem vector illustration. Save climate.
Energy efficiency concept with energy rating chart
Contemporary energy efficient isometric eco house cross section and room interiors infographic with icons, people and furnishings

Free stock photosenergy efficient (179)