Re: [BlindHandyMan] Estimating Appliance and Home Electronic Energy Use

[Betsy Whitney, Dolphin Press]

No, not kidding, but I do get to live in Paradise.
Betsy
At 01:49 PM 1/19/2008, you wrote:
>Betsy, are you kidding us?  For 1311 kwh we paid 7.95 cents per kwh.  Note
>to self, forget about moving to Hawaii.
>
>Regards.
>
>Max.  K 4 O D S.
>
>Email: [EMAIL PROTECTED]
>
>Transistor site http://www.funwithtransistors.net
>Vacuum tube site: http://www.funwithtubes.net
>Music site: http://www.maxsmusicplace.com
>
>To subscribe to the fun with tubes group send an email to,
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>----- Original Message -----
>From: "Betsy Whitney, Dolphin Press" <[EMAIL PROTECTED]>
>To: <blindhandyman@yahoogroups.com>
>Sent: Saturday, January 19, 2008 1:16 AM
>Subject: Re: [BlindHandyMan] Estimating Appliance and Home Electronic Energy
>Use
>
>
>Aloha Ray,
>I just have to ask. Is the rate in this email of
>8.5 cents per kilowatt hour real somewhere? Our
>rate is $.32. It is $.20 in Honolulu.
>Betsy
>At 05:37 PM 1/18/2008, you wrote:
> >If you're trying to decide whether to invest in a more energy-efficient
> >appliance or you'd like to determine your electricity loads, you may want
> >to
> >estimate
> >appliance energy consumption.
> >
> >Formula for Estimating Energy Consumption
> >
> >You can use this formula to estimate an appliance's energy use:
> >
> >(Wattage × Hours Used Per Day ÷ 1000 = Daily Kilowatt-hour (kWh)
> >consumption
> >
> >(1 kilowatt (kW) = 1,000 Watts)
> >
> >Multiply this by the number of days you use the appliance during the year
> >for the annual consumption. You can then calculate the annual cost to run
> >an
> >appliance
> >by multiplying the kWh per year by your local utility's rate per kWh
> >consumed.
> >
> >Note: To estimate the number of hours that a refrigerator actually operates
> >at its maximum wattage, divide the total time the refrigerator is plugged
> >in
> >by three. Refrigerators, although turned "on" all the time, actually cycle
> >on and off as needed to maintain interior temperatures.
> >
> >Examples:
> >
> >Window fan:
> >
> >(200 Watts × 4 hours/day × 120 days/year)  ÷  1000
> >= 96 kWh × 8.5 cents/kWh
> >= $8.16/year
> >
> >Personal Computer and Monitor:
> >
> >(120 + 150 Watts × 4 hours/day × 365 days/year)  ÷  1000
> >= 394 kWh × 8.5 cents/kWh
> >= $33.51/year
> >
> >Wattage
> >
> >You can usually find the wattage of most appliances stamped on the bottom
> >or
> >back of the appliance, or on its nameplate. The wattage listed is the
> >maximum
> >power drawn by the appliance. Since many appliances have a range of
> >settings
> >(for example, the volume on a radio), the actual amount of power consumed
> >depends on the setting used at any one time.
> >
> >If the wattage is not listed on the appliance, you can still estimate it by
> >finding the current draw (in amperes) and multiplying that by the voltage
> >used
> >by the appliance. Most appliances in the United States use 120 volts.
> >Larger
> >appliances, such as clothes dryers and electric cooktops, use 240 volts.
> >The
> >amperes might be stamped on the unit in place of the wattage. If not, find
> >a
> >clamp-on ammeter-an electrician's tool that clamps around one of the two
> >wires
> >on the appliance-to measure the current flowing through it. You can obtain
> >this type of ammeter in stores that sell electrical and electronic
> >equipment.
> >Take a reading while the device is running; this is the actual amount of
> >current being used at that instant.
> >
> >When measuring the current drawn by a motor, note that the meter will show
> >about three times more current in the first second that the motor starts
> >than
> >when it is running smoothly.
> >
> >Many appliances continue to draw a small amount of power when they are
> >switched "off." These "phantom loads" occur in most appliances that use
> >electricity,
> >such as VCRs, televisions, stereos, computers, and kitchen appliances. Most
> >phantom loads will increase the appliance's energy consumption a few
> >watt-hours.
> >These loads can be avoided by unplugging the appliance or using a power
> >strip and using the switch on the power strip to cut all power to the
> >appliance.
> >
> >Typical Wattages of Various Appliances
> >
> >Here are some examples of the range of nameplate wattages for various
> >household appliances:
> >List of 24 items (contains 3 nested lists)
> >. Aquarium = 50-1210 Watts
> >. Clock radio = 10
> >. Coffee maker = 900-1200
> >. Clothes washer = 350-500
> >. Clothes dryer = 1800-5000
> >. Dishwasher = 1200-2400 (using the drying feature greatly increases energy
> >consumption)
> >. Dehumidifier = 785
> >. Electric blanket- Single/Double = 60 / 100
> >. Fans
> >List of 4 items nesting level 1
> >. Ceiling = 65-175
> >. Window = 55-250
> >. Furnace = 750
> >. Whole house = 240-750
> >list end nesting level 1
> >. Hair dryer = 1200-1875
> >. Heater (portable) = 750-1500
> >. Clothes iron = 1000-1800
> >. Microwave oven = 750-1100
> >. Personal computer
> >List of 3 items nesting level 1
> >. CPU - awake / asleep = 120 / 30 or less
> >. Monitor - awake / asleep = 150 / 30 or less
> >. Laptop = 50
> >list end nesting level 1
> >. Radio (stereo) = 70-400
> >. Refrigerator (frost-free, 16 cubic feet) = 725
> >. Televisions (color)
> >List of 5 items nesting level 1
> >. 19" = 65-110
> >. 27" = 113
> >. 36" = 133
> >. 53"-61" Projection = 170
> >. Flat screen = 120
> >list end nesting level 1
> >. Toaster = 800-1400
> >. Toaster oven = 1225
> >. VCR/DVD = 17-21 / 20-25
> >. Vacuum cleaner = 1000-1440
> >. Water heater (40 gallon) = 4500-5500
> >. Water pump (deep well) = 250-1100
> >. Water bed (with heater, no cover) = 120-380
> >U.S. Department of Energy
> >
> >
> >
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> >or
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> >
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>To listen to the show archives go to link
>  http://acbradio.org/handyman.html
>or
>ftp://ftp.acbradio.org/acbradio-archives/handyman/
>
>The Pod Cast address for the Blind Handy Man Show is.
>http://www.acbradio.org/news/xml/podcast.php?pgm=saturday
>
>Visit The Blind Handy Man Files Page To Review Contributions From Various
>List Members At The Following address:
>http://www.jaws-users.com/JAWS/handyman/
>
>Visit the archives page at the following address
>http://www.mail-archive.com/blindhandyman@yahoogroups.com/
>
>If you would like to join the JAWS Users List, then visit the following
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>6:37 PM
>
>
>
>To listen to the show archives go to link
>  http://acbradio.org/handyman.html
>or
>ftp://ftp.acbradio.org/acbradio-archives/handyman/
>
>The Pod Cast address for the Blind Handy Man Show is.
>http://www.acbradio.org/news/xml/podcast.php?pgm=saturday
>
>Visit The Blind Handy Man Files Page To Review 
>Contributions From Various List Members At The Following address:
>http://www.jaws-users.com/JAWS/handyman/
>
>Visit the archives page at the following address
>http://www.mail-archive.com/blindhandyman@yahoogroups.com/
>
>If you would like to join the JAWS Users List, 
>then visit the following address for more information:
>http://www.jaws-users.com/
>For a complete list of email commands pertaining 
>to the Blind Handy Man list just send a blank message to:
>[EMAIL PROTECTED]
>Yahoo! Groups Links
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