Energy rating-final-2
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ENERGY RATING
Submitted to :Mam AyeshaSir Sajjid
Submitted by:Neyalish Aman-12Asad Qasim-32Mehak Khan-16
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Energy rating: A designation of the relative efficiency of an
appliance An estimate of the comparative annual energy
consumption (kilowatt hours/year) It based on the tested energy consumption and
information
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Energy rating Program:The Energy Rating Program is implemented by a number of initiatives i.e. federal, state and government agencies under the Equipment Energy Efficiency (E3) Program. It includes different programs:
Minimum Energy Performance Standards (MEPS)
Residential Energy Monitoring Program Energy rating label Climate-based energy efficiency labeling system
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WHY ENERGY RATING? Electricity consumption and greenhouse gas
emissions.
To improve the energy efficiency of the products
So that they uses least energy and meets the consumers energy service needs.
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Green house effect: Greenhouse gases are a natural part of the
atmosphere. The greenhouse effect is a warming of Earth's surface and the air above it. It is caused by gases in the air that trap energy from the sun. These heat-trapping gases are called greenhouse gases. The most common greenhouse gases are water vapor, carbon dioxide, and methane.
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Main policy tools:The main policy tools that are used to improve the energy efficiency of appliances and equipment, in the residential, commercial and industrial sector, and save money are :
Mandatory Minimum Energy Performance Standards (MEPS)
Mandatory Energy Rating Labels Energy star
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Minimum Energy Performance Standard: MEPS specify the minimum level of
energy performance that product must meet or exceed before they can be offered for sale
MEPS specify the energy performance The products must be registered online
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Examples: An electric fan is required to shift air at
a specified rate while consuming a limited amount of power.
A fluorescent bulb is required to start and run up to near full brightness in a given time
storage water heater heats up a specified quantity of water to a specified temperature
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Advantages of MEPS: Effective way to increase the energy
efficiency of products Increase average product efficiency over
time Prevent inefficient products in market Reduces greenhouse gas emissions
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Disadvantages of MEPS: Requires consensus/cooperation among
multiple stakeholders Can incur some up-front costs to
consumers Requires good enforcement policy
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Energy star: Energy Star is a government-backed labeling program It helps people and organizations save money and
reduce greenhouse gas emissions In recent years, Energy Star ratings have been
extended to some new homes, commercial and industrial facilities.
It sets energy performance standards for: Electronic equipment Appliances Buildings & HOME
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Origin of energy star: Energy Star is an international standard for
energy efficient consumers products originated in the United States. It was created in 1992 by the environmental protection agency and the department of energy
Since then, Australia, Canada, Japan, New Zealand, Taiwan and the European union have adopted the program
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what makes a product energy star? ENERGY STAR products are better than standard
products To earn the ENERGY STAR they must meet strict
energy efficiency criteria set by the EPA or the DOE.
Since they use less energy, these products save money and help protect the environment by causing less harmful emissions from power plants.
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Energy star logo: Any building or product that has received an
Energy Star rating carries a blue logo, pictured below.
Only the most efficient products in a class carry the ENERGY STAR mark.
The more stars, the more efficient.
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Benefits of energy star: Saves money reduce air pollution Environment friendly Adds value Durability
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Qualified product:Home electronics
Washing machines Televisions
Office equipment Imaging equipment computers
Air conditioners Heat pumps Efficient water heating
Efficient lighting LED lighting Fluorescent bulbs
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Room Air Cleaner : Display the ENERGY STAR® symbol They must be 40 percent more efficient
than standard models Air cleaners with features such as a
clock or remote control must consume less than two watts while in
standby mode.Example:3M CompanyCCL Products Limited
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Televisions: Qualified TVs consume 3 watts or less
when switched off, compared to a standard TV, which consumes almost 6 watts on average.
Example: Samsung Panasonic
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Light bulbs: Qualified light bulbs (CFLs) use 70 to90%
less energy than a standard incandescent bulb
Energy Efficiency Regulations, which set minimum energy performance
Example Philips Toshiba
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Computers: ENERGY STAR qualified computer will
use between 30 percent to 65 percent less energy
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Office equipment's: Office equipment that qualifies
automatically enters a low-power "sleep" mode after a period of inactivity to save energy
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Energy rating labels: The appliance Energy Rating Label acts
as an efficiency indicator The label gives the appliances a star
rating between one and ten stars. It gives comparison between different
products for the buyer
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Features: Efficient products use less electricity to achieve
the same level of performance of similar models Appliances that are labeled up to 6 stars are
considered ‘efficient’ while those above 6 are defined as ‘super efficient.’
It tells how much energy the appliance uses in kilowatt-hours
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Measurement: Manufacturers are required to submit their
products to an approved testing agency Testing is undertaken and the appliance’s
energy consumption and overall performance is determined.
This testing information is used to calculate the appliance’s hourly or annual kilowatt-hour (kWh) and its corresponding star rating.
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Types of energy labeling:Energy labels are of two types: Energy Rating Label:It is concerned with the star rating The EU(European union) energy label:It rates products from A, (the most efficient) to G (the least efficient).
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Categories of labeling:The energy labels are separated into four categories: Appliance's details Energy class Appliance type Appliance noise
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Qualified products: Fridge or Freezers Dish Washers Tumble dryer Air condition Television
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Fridge and freezer: Every new fridge, freezer and fridge
freezer have an energy label Since 1 July 2012, all new models must
have a rating of A+, A++ or A+++. If you bought your refrigerator before July
2012 it could have an A rating, and if it was made before September 1999
It could be rated anything from A to G, with a much higher energy use than is allowed today.
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Dishwasher: All dishwashers are graded A+++ to D A+++ being the most efficient and cheapest to run But if you bought your dishwasher before 2011, it could be
rated as low as G and add a lot of money to your energy bill. EU energy rating is determined by testing the energy
consumed washing a collection of soiled tableware and dishes using the standard cycle recommended by the manufacturer.
The cleaning, rinsing and drying performance are also evaluated.
The energy efficiency of the dishwasher is expressed in kilowatt hours per year.
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Advantages: Gives information of products at point of
sale Increase consumer awareness and
demand for energy efficient appliances encourage manufacturers to respond to
that market demand. works hand-in-hand with a mechanism
called (MEPS).
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EnerGuide: EnerGuide is energy rating and labeling system
that certifies the energy efficiency of new and existing products and homes
EnerGuide rating allows you to easily compare the energy efficiency of major household appliances
EnerGuide also provides a standard measure of your home’s energy performance
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EnerGuide system: An EnerGuide Rating measures a home's energy
efficiency level on a scale of 0 to 100 A rating of 0 represents a home with major air
leakage, no insulation and extremely high energy consumption
A rating of 100 represents a house that is airtight, well insulated, sufficiently ventilated
and requires no purchased energy on an annual basis.
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Products :The products that are tested by energuide testing method to be rated are: clothes dryers clothes washers dishwashers electric ranges, cook tops and ovens freezers refrigerators
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Energy Rating Calculator: To find out the energy efficiency of a product,
energy rating calculator is the easiest way of doing that.
Step1: Select an appliance. Step2: Select your usage details Step3:Adjust the energy rating slider. By
adjusting this , the max energy consumption, the running cost per year and the green house gas emission will automatically valued down.
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