66,613 Efficiency Stock Videos, 4K Footage and Video Clips

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Browse 66,613 authentic efficiency stock videos, stock footage and video clips available in a variety of formats and sizes to fit your needs, or explore efficiency icon or efficiency concept stock videos to discover the perfect clip for your project.

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gentoo house builder's hutton rise housing development in sunderland, uk. hutton roof sets new standards in green build. many of the houses are zero carbon, highly thermally efficient and incur minimal running costs. this passivehaus has 300mm wall cavitie - efficiency stock videos & royalty-free footage
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Gentoo house builder's Hutton Rise housing development in Sunderland, UK. Hutton Roof sets new standards in green build. Many of the houses are zero carbon, highly thermally efficient and incur minimal running costs. This passivehaus has 300mm wall cavitie
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women on a solar workshop, learning how to make solar lanters at the barefoot college in tilonia, rajasthan, india. the barefoot college is a worldwide charity, founded by bunker roy, its aims are, education, drinking water, electrification through solar p - efficiency stock videos & royalty-free footage
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Women on a solar workshop, learning how to make solar lanters at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, electrification through solar p
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