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Energy Aware Appliances can Help Save Power Grid

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This may sound too good to be true, but its not. The future may be bringing us appliances that can sense when the national power grid is over-taxed and switch off or down to reduce energy use.

 Scientists from Pacific Northwest National Laboratory in Richland, Wash., found that providing homeowners with smart appliances and information on how to save money cut their energy costs but also reduced overall power consumption during peak use periods, when the nation’s aging power grid is most susceptible to breakdowns.

 The whole story is here, and is an easy and informative read.  I would be more than happy to have a dryer that might, if the need arises, shift in mid load to tumbling without heat for a short while, or have my refrigerator compressor run a bit less if it meant saving energy and possibly preventing a large power outage.

Air Cleaners – What You Need to Know

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Many people believe that an air cleaner will help their family be healthier.  Using an air cleaner or air purifier in your home supposedly helps reduce dust, pollen and other respiratory irritants.  There are three types of air cleaners,  High Efficiency Particulate Air (HEPA) filters, electrostatic precipitators, and ozone generators.

From the Arizona Daily Star:

1. High Efficiency Particulate Air (HEPA) filters: Consumer Reports says air cleaners with these filters are among the best performers. But homeowners can more easily improve their indoor air with other methods, such as banning indoor smoking, keeping pets out of bedrooms, removing carpeting and other dust-mite havens and opening windows, the magazine says.
2. Electrostatic precipitators: They apply an electrical charge to particles and deposit them onto filters. They commonly emit small amounts of ozone as a byproduct. This month, Consumer Reports withdrew its endorsement of them after 15 years of recommending some models, saying, “We now believe that air purifiers that emit even small amounts of ozone are not your best choice.”
Ozone is a common air pollutant, an indicator of smog’s presence. The Environmental Protection Agency says that relatively low ozone levels can cause respiratory problems.
3. Ozone generators: Manufacturers say that ozone will purify the air, but Consumer Reports recommends against such machines, saying its tests have found that their ozone production generally exceeded federal Food and Drug Administration limits of 50 parts per billion set for medical devices. The California Air Resources Board just approved new rules, requiring such generators to limit ozone to 50 ppb by Dec. 31, 2008.

Newer houses with better insulation, double-paned windows and weatherstripped doors save energy, but they also seal pollutants into our homes. I try to limit my impact on the environment. Air cleaners are just another electronic device to run, with uncertain results. My choice is to vacuum and wash floors and bedding regularly and to open windows daily. Those are results you can see.

Heater Safety

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As the days get colder, many people are bringing their electric heaters out for the season. Give Space Heaters Space The Association of Home Appliance Manufacturers (AHAM), the “best source of information about home appliances and the industry www.heatersafety.org. Tip number seven is one people might not be aware of:

Unless the heater is designed for outdoor use or in bathrooms, DO NOT use in damp or wet areas. Parts in the heater may be damaged by moisture.

Have a warm and safe winter!

Recall: Black & Decker® Brand Toasters

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Name of Product: Black & Decker® brand Infrawave™ Toasters

Units: About 70,000

Distributor: Applica Consumer Products Inc., of Miramar, Fla.

Hazard: An electrical component in the toaster can overheat and ignite the circuit board, posing a fire hazard.

Incidents/Injuries: Applica has received two reports of the toasters igniting, including one report of fire that damaged a kitchen countertop and cabinets. There have been no reported injuries.

Description and Model: The recalled two-slice toaster is black with stainless steel trim and has a digital display below the toaster lever. The Black & Decker® brand name is on the top of the toaster. Model number ST2000 is printed on the rating plate on the bottom of the toaster.

Manufactured in: China

Sold at: Home improvement and discount department retailers nationwide from March 2007 through November 2007 for about $50.

Remedy: Consumers should stop using the recalled toaster, unplug it immediately, and contact Applica to receive a refund.

Consumer Contact: For additional information, contact Applica at (800) 556-9439 between 8:30 a.m. and 5 p.m. ET Monday through Friday, or log on to the firm’s Web site at http://www.acprecall.com

Picture of Recalled Toaster

Recall:General Electric Microwave Combo Wall Ovens Due to Fire Hazard

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Name of Product: Built-in Combination Wall and Microwave Ovens

Units: About 92,000

Manufacturer: GE Consumer & Industrial, of Louisville, Ky.

Hazard: The door switch in the microwave oven can overheat and ignite plastic components in the control area, posing a fire hazard to consumers. The lower thermal oven does not pose a hazard.

Incidents/Injuries: GE is aware of 35 incidents of minor property damage and one incident in which a fire damaged adjacent kitchen cabinets. No injuries have been reported.

Description: The recall includes GE combination microwave and conventional built-in wall ovens sold under the following brand names: GE, GE Profile® and Kenmore. The ovens were sold in white, black, bisque and stainless steel. The brand name is printed on the lower left corner on the front of the microwave door. The following model and serial numbers can be found inside the microwave oven on the left interior wall.

  Recalled Models Serial number
begins with:
GE / GE Profile JKP85B0A3BB, JKP85B0D1BB, JKP85W0A3WW, JKP85W0D1WW,
JKP86B0F1BB, JKP86C0F1CC, JKP86S0F1SS, JKP86W0F1WW,
JT965B0F1BB, JT965C0F1CC, JT965S0F1SS, JT965W0F1WW,
JTP85B0A2BB, JTP85B0A3BB, JTP85B0A4BB, JTP85B0A5BB,
JTP85B0D1BB, JTP85W0A2WW, JTP85W0A3WW, JTP85W0A4WW,
JTP85W0A5WW, JTP85W0D1WW, JTP86B0F1BB, JTP86C0F1CC,
JTP86S0F1SS, JTP86W0F1WW, JTP95B0A2BB, JTP95B0A3BB,
JTP95B0A4BB, JTP95B0A5BB, JTP95B0D1BB, JTP95W0A2WW,
JTP95W0A3WW, JTP95W0A4WW, JTP95W0A5WW, JTP95W0D1WW		 AZ, DZ, FZ, GZ, HZ,
LZ, MZ, RZ, SZ, TZ,
VZ, ZZ, AA, DA, FA,
GA, HA, LA, MA, RA,
SA, TA, VA, ZA, AD,
DD, FD, GD, HD, LD,
MD, RD, SD, TD, VD,
ZD, AF, DF, FF, GF,
HF, LF, MF, RF, SF,
TF, VF, ZF
Kenmore
(All model numbers
start with 911)		 41485991, 41485992, 41485993, 41485994, 41489991, 41489992,
41489993, 41489994, 49485992, 49489992, 47692100, 47699100,
47862100, 47869100, 47812200, 47813200, 47814200, 47819200,
47792200, 47793200, 47794200, 47799200		 0, 1, 2, 3

Sold at: Department and appliance stores from January 2000 to December 2003 for between $1,500 and $2,000.

Manufactured in: United States

Remedy: Consumers should stop using the microwave oven immediately. Consumers should contact GE regarding their GE/GE Profile micro-oven combo or Sears for their Kenmore unit. GE is offering a free repair or rebate on a new product, a $300 rebate toward the purchase of a new GE brand unit, or a $600 rebate toward the purchase of a new GE Profile brand unit. Sears is offering a free repair or $300 rebate toward the purchase of a new Kenmore brand unit. Consumers can continue using the lower thermal oven.

Consumer Contact: For additional information on GE /Profile units, contact General Electric toll-free at (888)-240-2745 from 8 a.m. to 8 p.m. ET Monday through Friday, and 9 a.m. to 3 p.m. ET Saturday, or visit GE’s Web site at www.geappliances.com. For additional information on Kenmore units, contact Sears toll-free at (888) 679-0282 from 8 a.m. to 10 p.m. ET Monday through Saturday, or visit Sears’ Web site at www.sears.com

Picture of Recalled Built-in Combination Wall and Microwave Oven

Review: KitchenAid Artisan Stand Mixer

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KitchenAid produces a whole line of stand mixers with a range of sizes and power to suit your particular needs. Recently, we reviewed the KitchenAid Professional 600 series here and found it to be a powerhouse that can tackle truly large jobs with ease. Now we’ll take a look at the Artisan stand mixer, also a KitchenAid product.

The Artisan has a 5 quart capacity bowl which can knead 9 cups of flour with its 67 point planetary mixing action. Our first thought on seeing this beauty was that it seemed small enough to be used in most any size kitchen, yet sturdy enough to tackle any job. So we put it to work.

Let’s start with ease of use- the dough hook, flat beater, and wire whip all attach with a simple push and twist. Just reverse the maneuver to remove them. The bowl also stays put easily with a counterclockwise turn to lock it in place. The rubberized feet keep it from moving around while mixing heavy doughs. We tested this while making 9 cup batches of bread dough and this machine performed beautifully, producing a firm dough in just about 5 minutes without even getting warm. Although the Artisan weighs over 22 pounds, I did not find it too difficult to maneuver around the countertop.

We put this mixer through a range of jobs, using the whip, dough hook and flat beater all of which come with the mixer. We brought egg whites to very stiff peaks in under 5 minutes, mixed countless batches of cookies, cakes, and loaves of bread. One my new regular tasks for this mixer is making our favorite banana bread by using the flat beater to mash the bananas first, and then adding the rest of the ingredients to the bowl. It comes out great and I have only one dirty bowl to wash. Each experience endeared this machine to me more.

I am a hardcore mix-by-hand baker and use a hand mixer sparingly for jobs like meringues and whipped cream, but this mixer has changed the way I bake. If you are a frequent baker and have the space (Maybe you can make the space!) to leave this out on the counter, I believe you will find that you turn to it as your first choice for mixing.

Product Features

Mixer Style Tilt-head
All-Metal Construction
Direct Drive Transmission
Bowl Finish Polished Stainless Steel
Bowl Handle Contoured
Motor Wattage 325 Watts
Flour Power™ Rating 9 Cups
Mixing Bowl Capacity 5 Quart
Planetary Mixing Action 67 Point
Mixing Speeds 10
Multi-purpose Attachment Hub
Flat Beater
‘C’ Dough Hook
Wide Chute Pouring Shield
5 Qt. Stainless Steel Bowl w/Handle
Wire Whip
Weight 22.8 US pound
Depth 14 3/32 in.
Height 13 29/32 in.
Width 8 21/32 in.

If you want to read more about the Artisan Stand Mixer, click here for the Care and Use Guide.

How Microwave Ovens Work

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We use them almost daily and yet many people have no idea how a microwave oven works.  Here are the basics courtesy of the folks at HowStuffWorks.com:

A microwave oven uses microwaves to heat food. Microwaves are radio waves. In the case of microwave ovens, the commonly used radio wave frequency is roughly 2,500 megahertz (2.5 gigahertz). Radio waves in this frequency range have an interesting property: they are absorbed by water, fats and sugars. When they are absorbed they are converted directly into atomic motion — heat. Microwaves in this frequency range have another interesting property: they are not absorbed by most plastics, glass or ceramics. Metal reflects microwaves, which is why metal pans do not work well in a microwave oven.
You often hear that microwave ovens cook food “From the inside out.” What does that mean? Here’s an explanation to help make sense of microwave cooking.
Let’s say you want to bake a cake in a conventional oven. Normally you would bake a cake at 350 degrees F or so, but let’s say you accidentally set the oven at 600 degrees instead of 350. What is going to happen is that the outside of the cake will burn before the inside even gets warm. In a conventional oven, the heat has to migrate (by conduction) from the outside of the food toward the middle (See How a Thermos Works for a good explanation of conduction and other heat transfer processes). You also have dry, hot air on the outside of the food evaporating moisture. So the outside can be crispy and brown (for example, bread forms a crust) while the inside is moist.

In microwave cooking, the radio waves penetrate the food and excite water and fat molecules pretty much evenly throughout the food. No heat has to migrate toward the interior by conduction. There is heat everywhere all at once because the molecules are all excited together. There are limits, of course. Radio waves penetrate unevenly in thick pieces of food (they don’t make it all the way to the middle), and there are also “hot spots” caused by wave interference, but you get the idea. The whole heating process is different because you are “exciting atoms” rather than “conducting heat.” 

In a microwave oven, the air in the oven is at room temperature, so there is no way to form a crust. That is why microwavable pastries sometimes come with a little sleeve made out of foil and cardboard. You put the food in the sleeve and then microwave it. The sleeve reacts to microwave energy by becoming very hot. This exterior heat lets the crust become crispy as it would in a conventional oven.

Brewing the Perfect Cup of Coffee

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If you want know how to do something right, ask an expert.  The experts at Krups, the manufacturers of both commercial and home coffeemakers, offer these tips for great brewing:

1. The Coffee Beans Whole beans stay fresh longer
 It is best to buy as soon after roasting as possible. Ideally, you should purchase your coffee fresh every 1 – 2 weeks; and buy only the quantity that you need to last for that period of time.

2. The Grind
 Always grind your beans as close to the brew time as possible.

Do not underestimate the importance of the grind to the taste of your coffee. They type of grind used in a particular machine can alter the taste and flavor of coffee. The general “rule of thumb” is the longer the extraction period (the time water spends in contact with the grounds) the coarser the grind should be. Generally coffee is finely ground for espresso and coarsely ground for a French press machine. Drip coffee machines fall somewhere in the middle. Experiment with the grind and your favorite coffee to get the perfect result. If you have your coffee ground in the store, specify the grind or let them know what type of machine you are using so they can grind accordingly.

3. The Water
 The water you use is VERY important to the quality of your coffee. Its best to use filtered or bottled water. If you are using tap water let it run a few seconds before filling your coffee pot. Be sure to use cold water. Do not used distilled or softened water. Some Krups coffee machines use a unique filtration system that removes traces of chlorine for a better taste and reduces mineral deposits for longer machine life. The ratio of coffee to water is also very important. Use the proper amount of coffee, which is typically 1 to 2 tablespoons of ground coffee for every six ounces of water. This can be adjusted to suit individual taste preferences. Be sure to check the “cup” lines on your brewer to see how they actually measure.

4. Water Temperature During Brewing
 Your coffee machine should obtain a water temperature between 195 – 205 degrees Fahrenheit when brewing. Water temperatures below this temperature will result in flat, weak coffee while water that is too hot will scald the grounds and result in poor tasting coffee.

5. Brewing Time
 The amount of time that the water is in contact with the coffee grounds is another important factor affecting the taste of your coffee. If the taste of your coffee is not optimal, it is possible that it is either over-extracting (the brew time is too short). the type of filter used – gold tone, paper, flat or cone – also effects the contact time. Experiment with the contact time until you can make a cup of coffee that suits your tastes perfectly.

Krups’ Deep Brew Technology, a feature of most Krups coffee machines, eliminates any room for error because it heats water to an ideal temperature, then pulses it through the coffee grounds at precisely timed intervals, resulting in rich, fully flavored coffee.

6. After Coffee Has Been Brewed
 Brewed coffee should be enjoyed immediately. It is recommended to use a pre-heated mug or coffee cup to maintain optimal temperature. If the coffee is not served immediately, it is recommended to pour the coffee into an insulated thermos and serve within 45 minutes. Remember: never reheat your coffee. Thermal coffee machines, such as the Krups Aroma Control Therm, are an ideal way to brew and store coffee while maintaining freshness because it does not require a warming plate which makes coffee bitter over time.

7. Enjoy Your Coffee!
 Take a moment to smell the aroma and taste the flavor. A thoughtfully prepared cup of coffee will make for a much more enjoyable coffee experience.

Recall: Miter Saws by WMH Tool Group Due to Laceration Hazard

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Name of Product: Performax and Wilton 10” Sliding Miter Saws

Units: About 7,100

Manufacturer: WMH Tool Group Inc. (WMH), of Elgin, Ill.

Hazard: The saw handle’s switch can fail, causing the saw to smoke, spark, and trip circuit breakers, and disable the safety brake. The saw also can keep operating unless the unit is unplugged, posing a laceration hazard to consumers.

Incidents/Injuries: WMH has received reports of six incidents with the saws. No injuries have been reported.

Description: The recall includes Performax model number 90206 and Wilton model number 34570 10-inch sliding miter saws with date code/serial numbers ranging from W062505 to W070405. The model, date code/serial numbers are printed on a black label on the motor housing of the saw.

Sold at: Home centers and hardware retailers nationwide from August 2006 through March 2007 for between $150 and $250.

Manufactured in: China

Remedy: Consumers should immediately stop using these saws and call WMH to receive a replacement miter saw or a full refund.

Consumer Contact: For additional information, contact WMH at (800) 689-9928 between 8 a.m. and 6 p.m. ET Monday through Friday, or visit the firm’s Web site at www.wmhtoolgroup.com

Picture of Recalled Sliding Miter Saw

Picture of Recalled Sliding Miter Saw