Power saving Devices

Hi everyone.. I want to know are there any devices that reduces the power consumption of electronic appliances like Fridge , fan or washing machines..


Does any one know abt it??

Thanks

 

It's probably a scam if you see one. You would have to change the design of these devices to improve their efficiency: for instance, improve the insulation of a freezer/refrigerator, or use a front-loading washing machine, which requires less water to wash the same amount of clothing.

Of course you could put some appliances that are used only intermittently (like a fan) on a timer, so that they only run when you need them. That won't help other appliances like fridge, oven, washing machine, etc. that have a “job” to do and it will take the same amount of energy to do it no matter if you do it now or later.

 

Outside the on/off switch, the answer is basically...no!

Ken

 

Snake oil still sells like hotcakes to the right idiots...

http://www.advancedenergy.org/build...y/systems_approach/energy_saving_devices.html

 

Yaa..I have one that can reduce power to like 90%.
I'm flying man....

 

Ahh, but Paykal and Fisher have done it. They use BLDC motors in their appliances and have load sensors that only give the motors the power and speed needed for the load. Not using full power when not needed. About as good as it gets.

 

Well, sure.... that's just good design. Of course you can achieve better efficiency that way.

The OP doesn't appear to be asking about energy-efficient devices in general, but rather about some quick-fix aftermarket add-on device, which “devices that reduces the power consumption of electronic appliances” implies to me.

 

NASA's Nola power factor controller provides a marginal reduction in motor power, but is not really economically feasible because the lifetime energy reduction hardly pays for the controller. Scam artists love this one because they can easily demonstrate savings on an unloaded motor.

 

It's probably another of these scam power factor correctors.

http://www.nlcpr.com/Deceptions1.php
http://www.siliconchip.com.au/cms/A_112569/article.html

Problems they have:

1.) they don't correct the PF of anything (they are basically magic boxes with LEDs in them) - the PF correction capacitors are not connected or often not included at all.
2.) they cannot work for everything, designing PF systems is a complex engineering task, not a "put in whatever you like" task.
3.) even if they somehow did, residential customers -are not billed- for non-unity power factor!

 

Quite replying ....I got what OP needs....!

 

ok so what I extracted from all your replies is that there are no such gadget type devices available in market, energy efficient devices are though available.. so can you name some such energy efficient devices

And yea thanks alot for all your replies

 

LED and CFL lighting.

Ken

 

Low standby power consumer appliances... newer AC adapters are available on the market that use <10mW in standby. Newer TVs use <0.5W in standby. etc. Simple things like turning lights off when they are not useful.

 

Best advice would be to buy about 4 Kill-A-Watt units, and plug them in between the outlet and devices, leave them run for a week to get a good average. Especially on things like power adapters that are idle most of the time, and any other rarely used device.

You'll probably be able to eliminate at least 500+ kWH/month by unplugging stuff you forgot was plugged in, or didn't think drew much current when plugged in.

The reason I say to get 4, is yes, they are spendy, but the number helps you wipe out all the useless power drawing items like non switch mode power supplies very quickly. I'd say two minimum.

Other than buying more efficient appliances/equipment, and unplugging rarely used equipment vs. leaving on standby, there are no "cheats" for the electric company.

 

Don't forget that if you heat your home (eg winter time), that “waste” energy from, say, incandescent bulbs or linear ac-dc supplies is not waste at all, but helps heat your house!

See this from the late Bob Pease's mailbox: Bob’s Mailbox: CCFL Lights, Old Radios, And The 108A.

 

My suggestion to reducing your electrical bill would be to monitor your whole house. There are a lot of good products on the market. I use one that tells me in real time how must it is costing per hour and KW being used, also it projects the monthly bill. I have reduced my bill just by being aware of what I am spending. As far as appliances go you just need to be smart in how they are used. Like hang up laundry instead of using the dryer, shorter settings on washers/dishwashers like normal instead of heavy duty. Unplug extra refrigerators or freezers that are doing little for you.

 

Are you using the Kill A Watt, or is there one that does it for cheaper than the Kill A Watt (~$25 US IIRC)?