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Construction Tech Review | Friday, May 28, 2021
Energy efficiency not only helps people and businesses to save money on capital and operating expenses, but it can also help minimize fuel consumption, lowering greenhouse gas emissions, and preventing climate change.
FREMONT, CA : Energy is a potential to do work that can be expressed in a variety of ways, including thermal (heat), motion (kinetic), radiant (light), stored (potential), secondary (for example, electricity), chemical, mechanical, and so on. The amount of energy expended by a process, system, product, society, and so on is referred to as energy consumption.
The word ‘energy’ is commonly used in the built environment to produce heat, powering machinery, manufacturing products and materials, transportation, and others. In the domestic scenario, energy consumption is often attributed to:
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Heating system.
Hot water.
Refrigeration and cooling.
Lighting
Washing and drying.
Cooking
Other types of electric loads.
Energy sources are usually classified as renewable or non-renewable.
The term’ final energy consumption’ corresponds to the total amount of energy consumed by end-users. This calculates the energy used by the user, not the energy used by the sector in extraction, distribution, transformation, and other activities. The amount of energy consumed per person varies significantly between countries. Richer developed countries, on average, consume 10-20 times more resources per capita than poorer developing countries. However, energy use is increasingly increasing in many developed countries.
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The role of the construction industry in reducing building energy use has been a subject of major government policy reform and legislation, such as the Climate Change Act, Carbon Plan, Infrastructure Act, Building Regulations, and Construction 2025. Several schemes and devices have been implemented to minimize building energy use, such as the use of smart meters and energy efficiency certificates, the Green Deal, the Energy Company Obligation, low-energy lightbulbs, door and window energy ranking, and the like.
A building’s total energy consumption over its lifetime is made up of the following components:
Initial Embodied Energy: The amount of energy used to construct the structure, including mining, refining, manufacturing, and transportation and assembly.
Recurring Embodied Energy: This is the amount of resources used to renovate and repair the building throughout its lifetime.
Operational Energy: The amount of energy used in the building for heating, cooling, lighting, and powering appliances.
Demolition Energy: The energy ingested in the disposal of the building.
Energy efficiency not only helps people and businesses to save money on capital and operating expenses, but it can also help minimize fuel consumption, lowering greenhouse gas emissions, and preventing climate change.
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