Compact fluorescent lamps (CFLs) have become required in recent year.pdf

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Compact fluorescent lamps (CFLs) have become required in recent years, but do they make financial sense? Suppose a typical 60-watt incandescent light bulb costs $.51 and lasts 1,000 hours. A 15-watt CFL, which provides the same light, costs $3.70 and lasts for 12,000 hours. A kilowatt-hour of electricity costs $.127, which is about the national average. A kilowatt-hour is 1,000 watts for 1 hour. If you require a return of 10 percent and use a light fixture 500 hours per year, what is the equivalent annual cost of each light bulb? (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) Compact fluorescent lamps (CFLs) have become required in recent years, but do they make financial sense? Suppose a typical 60-watt incandescent light bulb costs $.51 and lasts 1,000 hours. A 15-watt CFL, which provides the same light, costs $3.70 and lasts for 12,000 hours. A kilowatt-hour of electricity costs $.127, which is about the national average. A kilowatt-hour is 1,000 watts for 1 hour. If you require a return of 10 percent and use a light fixture 500 hours per year, what is the equivalent annual cost of each light bulb? (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.).

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Overview Lighting and Appliances Making the lighting and appliances in a home more energy efficient is an important part of the weatherization process. Exchanging inefficient light bulbs for newer, energy efficient versions is easy and, in most cases, inexpensive. Exchanging appliances for newer, more energy efficient ones is usually worth the effort, although some appliances, such as ovens and stovetops, do not use enough energy to warrant being replaced. Learning Objectives Upon completion of this module, you should be able to: 7A evaluate the best types of artificial lighting. 7B create different applications that bring natural light in a space. 7C discuss which types of appliances are the most energy efficient. Module 6 Reading Assignment Krigger, J., & Dorsi, C. (2012). Residential Energy: Cost Savings and Comfort for Existing Buildings (6th ed.). Helena: Saturn Resource Management, Inc. Chapter 7. Supplemental Reading Assignments (Required): Division of energy resources (2010). Appliances, lighting, electronics an energy guide to help select and operate efficient devices for your home. Minneapolis, MN, (pp. 1-32). Institute for electric efficiency. (2009, December). Assessment of electricity savings in the U.S. achievable through new appliance/equipment efficiency standards and building efficiency codes (2010-2020). Washington, D.C.: The Edison Foundation, (pp. 1-42). Lecture Notes Lighting and Appliances Anything that draws electrical power is referred to as a load. Part of weatherizing a home includes minimizing the loads in the home in order to lower energy bills and maximize energy efficiency. Artificial Lighting Artificial lighting is provided by electricity, fixtures, and bulbs. Artificial lighting is a big contributor to high energy costs. It can contribute as much as 50 percent of the total energy costs of a home. Lynn Clement of Focus on Energy once said, “If every American household replaces light bulbs in their five most frequently used fixtures with ENERGY STAR compact fluorescent bulbs, we could save more than $8 billion in annual energy costs and prevent greenhouse gases equal to the emissions of more than 10 million cars.” Since lighting accounts for 20 to 25 percent of U.S. energy consumption, the move to more energy efficient lighting is very important. Types of Lighting There are three primary uses, or functions, for lighting in homes: task, ambient, and accent. Task lighting provides light to perform work. Ambient lighting may include light that is used for work but also includes lighting for safety and security. Any lighting used for contrast or ambiance is accent lighting. There are many different types of artificial lights available for residential uses. Types of Artificial Lighting Incandescent Fluorescent Compact fluorescent High-intensity discharge Halogen Light Emitting diodes Full Spectrum Recessed Lights Incandescent Bulbs Incandescent bulbs, which are also referred to as A-type bulbs,.

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This is a Student Sample of Backup Materials. Please be mindful that it is a student's work and has sections that need work, as will be discussed in class lectures. It is provided merely as an idea of what these materials, in general, should look like. Please submit in hard copy day of your presentation. Please see separate samples of visual aids used during speech. STUDENT NAME/SECTION: Sitora Mirsoatova 1. ( to persuade )Topic: Switch to fluorescent bulbs 2. Circle the General Purpose of your speech: to inform or 3. List the Main Points that you will develop: I.Light production methods between fluorescent bulb and incandescent bulb. II.Cost savings between incandescent and fluorescent bulbs. III.Benefits offered by fluorescent bulb. 4. ( Comparative Advantages; )Method of organization: Circle One Method Below Chronological; Spatial; Topical; Cause/Effect; Problem/Cause/ Solution ; Monroe’s Motivated Sequence: Attention, Need, Satisfaction, Visualization, Action 5. Specify the Specific Purpose: (general purpose, topic, and main points) To persuade the audience to switch from incandescent bulbs to fluorescent bulbs in their homes by highlighting the light production methods between fluorescent bulb and incandescent bulb, the cost savings and the benefits offered by the fluorescent bulb. 6. Write a FULLY DEVELOPED SENTENCE stating the Specific Purpose Statement/Central Idea of your speech (includes your specific purpose (#4 above): Today I will persuade you to switch from using incandescent bulbs to fluorescent bulbs in your homes by highlighting the light production methods between the fluorescent bulb and the incandescent bulb, the cost savings and the benefits offered by the fluorescent bulb. 7. List a connective/transitional phrase that you may use to get from your Introduction to Main Point I: Let me begin with comparing methods of light production between a fluorescent bulb and incandescent bulb 8. List a connective/transitional phrase that you may use to get from your MPI to your MPII: Now, I would like to prove you that switching to a fluorescent bulb will save you 70% on you electricity bill. 9. List a connective/transitional phrase you may use to get from MPII to your MPIII: Now, I would like to share some impressive benefits offered by fluorescent bulb. ( Statistics ) ( Comparisons/Contrast ) ( Anecdotes )10.Circle the form of backup support that your will use in your speech: ( Visual Aids )Definition Examples QuotationsIllustrations Descriptions & Statistics Other ( Quotation )11.Circle the technique you have chosen for your introduction: Starling statement Reference to current incident Reference to a common experience Anecdote Other 12.Circle the technique you will use for your conclusion: Summary (Review of Main Points)Quotation, Anecdote, Challenge, ( Echo of introduction )Other APA Annotated Bibliography: Deutsch, C. (2008, January 26). Seeking a More Fl ...

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This paper presents a comparison of actual cost for three different lighting bulbs typically used in houses. They are Incandescent light, Compact Florescent Light CFL and Light Emitted Diode Light LED. The comparison takes in respect how much each lighting bulb consumes actual power and how much it costs in respect of Kuwait’s regulation. Thus, the cost efficiency of each type is calculated. The study deals with typical houses in Kuwait taking in respect the regulation of the distribution and installation rules (R6), [1] of the ministry of water and electricity in Kuwait for the year 2014

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