結果 : what is the definition of energy efficient
1:10

What Is Energy Efficiency?

International Energy Agency
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4:22

Episode 2: What is Energy Efficiency? (English)

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What Is EFFICIENT ENERGY USE? EFFICIENT ENERGY USE Definition & Meaning

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DEFINITION OF ENERGY SAVING AND ENERGY EFFICIENCY

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1:26

Why Energy Efficiency

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1:52

Definition of Energy Efficiency

Sahabat Cinta Al-Quran
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1:21

Energy Efficiency for A Better Future

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1:54

EPCs (Energy Performance Certificates) Explained

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0:48

Sony Bravia: How To Turn On Power Saving Mode

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Energy Conservation vs. Energy Efficiency

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26:45

What is Energy Efficiency? Need of Energy Efficiency | Examples of Energy Efficiency | Energy Audit

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36:49

Lecture 10: Cities and the Idea of Energy Efficiency

MIT OpenCourseWare
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GCSE Physics - Efficiency #8

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6:40

Energy efficiency in buildings

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The importance of energy saving starting with a twilight switch

ABB
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50:41

James Sweeney | Energy Efficiency: The Bad, the Good and the Reality

Stanford ENERGY
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1:19

Energy Management Basics for Commercial Facilities

Vector Solutions Industrial
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57:10

Energy Efficiency: The Challenge and the Opportunity

University of California Television (UCTV)
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1:45

Energy Efficiency Code Requirements for Homes or Buildings

AmericanChemistry
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Efficiency Formula | Physics Animation

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