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American efficiency

As much as I love the way of life in the US, suggesting anything over there is more energy efficient is simply wrong. Europe is light years ahead on that score, in terms of appliances used, the way houses are heated and the cars we drive.

I love US top loading washers (I have 2 in the garage) however, the water they use to run a load is criminal.
 
Euro machines

I disagree. Euro machines fill with cold water, which requires a longer time or more wattage. Up in the north water is stone cold in the winter, so heating water from 40 degrees to 150 takes time. A 900 watt heater will work, but take time, a lot of time. Doubling or tripling the wattage cuts back on time. I know because I have experimented with 230 volt Euro models. It makes a difference.

Also, not all dryers are gas. An electric dryer is less efficient than a condenser. Even if you did have gas, consider that all vent dryers pull a large amount of air (cubic feet per minute) out of your home. So unless the outside air is equal to the inside air in temperature; your AC or heating system needs to work more to compensate when ever running a vent dryer. I fail to see the efficiency in that.
 
Should I Add?

While the EU plans on banning high-powered vacuum's was seen as sheer stupidity by many on this forum, I don't see the U.S. making such regulations.

Off-topic? Yes, probably. But does it counter the argument that the U.S. makes the most efficient products? Most certainly.
 
Vaccums

Id say on topic, a point well worth brining up :)

My understanding is that vacuum motors convert most energy to heat rather than HP. I think this has something to do with advertising wattage since a higher wattage might come across as more power. Easy give away: when one runs a vacuum cleaner the air that comes out the back is very warm, even hot.

Personally, keeping the HP but developing a more efficient motor (like a high frequency inverter motor) is a better option than limiting size or suction power.
 
I was just thinking at how maniacs are getting in the US compared to here in europe.
Believe me, they're getting eco paranoid.
Regarding the last matter of the vacuums though, the US doesn't do that because as noted the "crazy" wattage thing has been a typical european thing....and it was really time to give it a cut....it was one of those "all smoke-no roast" selling strategy things....
Regarding euro front loaders, I would like to point out some facts that may miss...
In many countries of europe they always came with cold fill only, and no...it wasn't because of the stain setting theory (which I never experienced) some members likes to tell, almost like saying it's made on purpose because of this, it isn't.. but that's simply because some countries had not proper hook ups in laundry areas..and that simply wasn't possible.
Infact thats a peculiarity of British machines to be double fill, britsh kept their machines in the kitchen, in the kitchen you always have had hot water..simple..
In other countries such as France, Germany, Italy, Spain not ...and you do get cold fill only....but it's full of people here who buy devices and or manually fill them hot and as hot as possible to save electric costs, not a case that the toploaders may them be agitator or the asian pulsator such as the LG are considered and sold as the most efficient and eco-saving machines, in this country and I know also elsewhere ....they wish they had all machines came with double fill now that many house have the possibility to have the hook ups and hot water is available nearly everywhere in modern houses made past 70s and 80s...
Built-in heaters in machines became a necessity because of what said before, just like it was even with the semi automatic agitatior machines that came before automatics, twin tub and or wringer washers.
See most of the EU twin tub and wringer washer machines with agitator, pulsator whatever settings....

Storage water heaters;
Actually I think that the fact of the storage water heaters is much more complicated than that..
Let's say Europe generally has never had a huge use of the tanks, not because of efficiency but simply because the living spaces in many countries of europe are much smaller, that means few would have space to fit a large water heater, so they had to switch to an insta one....
Buildings and homes in europe in the past didn't have centralized hot water piping and it was difficult to do so because most houses are brick houses and that meant a very expensive work to do, so that meant having to place a small insta water heater whenever needed, so one in the bathrrom feeding the sink and bathrub/shower and a small one in the kitchen... it's common to see bathrooms in older condos and or houses with a water heater on the top of the bathtub in each bathroom....gas lines ran and still runs now outside of houses and buildings, and they were much cheaper to set up versus a centralized hot water piping.
Add to it that as typical of many countries of europe, perhaps the most of population (at leas here, including Spain, France etc) lives in condos and the indipendent houses are things for "wealthy" folks, this is even more in medium to large towns and cities...
Yes, there were some tank heaters of course, both electric and gas, but they were so small... about 30-40 liters the bigger... bigger units couldn't cope with the small/limited living space and they were too small anyway, so they couldn't and wouldn't give satisfactory amount of hot water needed especially for family with kids, 1-2 quick showers and you already ran out of Hot water, so best option was to use instant ones that were small and made best use of space, and this is since the old days (In Russia is also the same even for buildings made after the 70s and 80s), that configuaration even by giving water less hot, made possible it would never "end"...
Always for the same reasons...
Modern instant gas heaters are small and made as compact as you can, though powerful ones and combi ones furnace+heater according to regulations should be to be kept outside, so there are models that with the same space use do both home heating and sanitary water, they can feed up to 7-8 radiators for home heating and provide sanitary water as hot as 80 degrees celsius...downsides is that they're easy to break and expensive to service.
They're certainly more energy efficient than a tank...though it was mainly because of space, gas in europe is cheap and gas reach virtually any-place, rural or not.

Norway: Norway is lucky, they got tons of cost-zero stuff to make energy with, and they've a government who really care of alternative energy, not just to make money out of eco/enviroinmental policies like others.... they've the stuff to do so and learned to use it...from the geysers to the fjords and tides etc...that means they can produce really cheap electricity, so they have electric tank heaters, and rely much on electrics, norvegians do have wood houses and I suppose the hot water thing in houses developped similarly to what it has been in the US, unlike the rest of europe.
Also in Norway there is not an high population density, most people lives in indipendent homes and decently sized, bigger spaces-larger homes...no problem to fit in a large tank heater....[this post was last edited: 12/18/2014-03:58]
 
Actually the universal motors in vacuum cleaners are VERY efficient-better than 80%.This ban is actually based on misunderstanding---politicians aren't techical folks-they do not know how motors and other electric and electronic things work.The motor in your vacuum is underloaded-so its drawing less power than what the nameplate may indicate.The nameplate rating is based upon the motor being tested in the labratory.The motor is powered and loaded to a condition where it can operate continuously without overheating.A universal type motor in say a power tool is loaded more heavily than your vacuum cleaner.The tool motor has to turn a drill bit or saw blade thru material-this is harder than turning a vacuum cleaner fan.Same if the universal motor is in say a kitchen machine like a mixer.Another thing the vacuum maker used the higher rating on the motor to give the customer the illusion the machine is more powerful.The vacuum cleaner performance is really depends on the DESIGN of the machine rather than the power of the motor.Ban should be thrown out.Too many variables here-and politicans aren't qualified to make techinical decisions.The series type-universal motor is used in many appliances besidces vacuum cleaners.It is one of the most common motors we use next to induction motors.And probably will be for some time-both universal and induction motors are well known,made,and inexpensive.
 
Freddy:

Norway has only two geysers and they are not on the main land, but on Spitsbergen, an island far north from the main land, in the Arctic sea.

http://en.wikipedia.org/wiki/List_of_hot_springs

Vacuums, efficiency etc:

Already in another thread I told about my high efficient vacuum. It's the best I ever had on all aspects, including suction power. The rants about these vacuums will stop as soon as people have experienced themselves. I wonder sometimes how many people put blunt statements on this website about appliances without any experience with them. That includes the statement about American appliances being more efficient than European.
 
Yup... you're right! Obviously I confused with wind power.
Anyway...that doesn't change the sense...thanks for pointing that out for sake of correctness though!
According to Wikipedia:
"Of the total production in 2011 of 128 TWh, 122 TWh was from hydroelectric* plants, 4795 GWh was from thermal power, and 1283 GWh was wind generated."

*fjords
http://en.wikipedia.org/wiki/Electricity_sector_in_Norway
[this post was last edited: 12/19/2014-09:38]
 
We have a two year old Miele vacuum. It is one of the GreenLine models (S5, to be exactly). Two years ago, 1300W weren't much!
But even though, we only run it 900W (Eco&#92Silence setting) all the time and still get the same results.
Same with Evo-cycles on washers: If programmed well, they can be really good. They don't have to be, but certanly can.
 
Henene...
I have a 60s CGE vacuum cleaner that I use as my daily driver, that of watts pulls 450-500 (tag says 450) it's the most silent vacuum I've ever seen!
And yes it do the same job and has the same suction of the other Bosch vacumm I have (and I still keep in the closet for some reasons, I should dump it now that I think of it) that pulls 1000-1100 watts.....
The CGE does all what I need it to do....I really wouldn't need a stronger suction than that.
I cannot imagine if my CGE pulled as much as 1300 or more then I'd have a jet....
By having to do with vintage stuff, i could well see that vacuums as well other small apliances involved in the past but modern "watts craze" thing, could be made using less and providing same results, vintage small appliances were the proof... it was clear to me already that this thing of watts was just part of a selling strategy...

When you say: "But even though, we only run it 900W (Eco&#92Silence setting) all the time and still get the same results."
I can well believe that....they were made pulling more not to actually go faster, but to give the "idea" they may go faster whilew they didn't.
But le me tell you, washers, it's just another different matter, much more complex than vacuum cleaners matter....

kenmoreguy89-2014121914541602908_1.jpg
 
In my experience with natural gas, having a hot water tank does require more energy than if you have a tankless.  I converted from a hot water tank to gas tankless and my gas bill immediately took a drop of $15 a month and this was several years ago.

 

It is also true that if have you washer or DW connected to hot water, but have to purge the line of cold water, you waste the water in the line and you are still paying for supplying the hot water. You pay somewhere, in the hot water heater, in your water bill, or at the appliance that is going to use it.  

 

Even so my washer with heater and DW are connected to hot water.  In the winter the laundry is around 62F so 5 gallons of 120F entering the washer will quickly be converted to lukewarm to cold. Imagine what temperature this water might be after 20 to 65 minutes of a wash? 

 

I would rather pay to heat the water at the point of use.  No washing...no heating wash water.  No dishes, no heating, no shower - no heating.

 

It seems the manufactures and the DOE are fooling consumers and themselves.  You pay somewhere, at the machine or at the water heater, or your dishwasher will never really "sanitize" a load because the heater just turns off because it has run as long as the manufacturer decides it can and still be energy efficient -at least for that particular machines energy rating.  You supplying hot water at a specific temperature for an appliance it to work correctly and meet it's energy rating = you still paying for the energy - just  outside of the machine.  
 
SQ with a heater....

I would buy the front loader with rear top mount controls IN A SECOND if it had a heater. We have instanteous gas water heater but prefer to have better heat select if heater/ thermostat installed. ...... The 2015 Electronic model isd seriously good looking!!!!

intuitive-2014122023281809714_1.png
 
I don't like it, don't like front loaders, so don't understand how you may like it and buy it in a second, but I fully see that if not an heater a thermostat so a thermically controlled water mixer/valve inside a front loader would be best and convenient, as well as a sensor telling you what temperature the wash water is, as for it's nature of front loader it's impossible to determine well what the exact filling temperature is in that moment, this may vary on many circumstances like more people using hot water in that moment or in case of a condo water coming less hot from common heater, with Top loaders (at least the old good ones, or the speed queen) who don't have that idiotic lid lock, you could actually mix water in the tub by mixing hot with warm or anyway adjust by sensing it yourself to the desired temoerature you wish, but front loaders takes a while for you to sense the water temperature by touching the glass, I mean glass takes awhile to heat up and tell what real temperature is the water in the drum... you have no other way to do that except sticking your fingers in the drawer during filling and "guess" ... so the manual mixing thing to get the water as hot as you want is pretty limited and almost impossible..you just can't make a front loader with the usual 3 settings without averting any risk of filling it too hot or too cool, so the cold-warm-hot...you'd need more options...and you need it to do that..you just cannot yourself.

[this post was last edited: 12/21/2014-09:28]
 
As I said before...

Over here where for some silly reasons (actually no reasons) we have domestic washers still coming with a cold inlet only like 50 years ago, there are devices of different makes who let you connect the washer to hot just with the one cold inlet they come with, these devices mix it getting water outlet as hot as you set the thing, from 30 to 90 degrees celsius, just like your typical euro thermostat do.. it'll mix it to the proper temperature you set.....

http://www.fotovoltaicosulweb.it/gu...ia-con-la-lavatrice-save-el-en-plus.html[this post was last edited: 12/21/2014-09:30]
 
I'll pass on such equipment. Not only would I have to buy such a device, but also get a hot water pipe and tap installed. And then with the heating water combo I have, which in itself is very efficient (HR combo) it wouldn't be very efficient anyway, because it needs a little time to come up to full temperature. By the time it has reached 60 degrees Celcius, the laundry in the washing machine is already wet. Not a smart investment for me. I'll stick to cold fill only for reasons of efficiency.
 
I am not 100% sure, but I think the device do that itself, since it's supposed to be a hook up central and you connect to it the drain of the machine as well (so the the device has to be connected to a drain), so it's likely that before filling it will run water for some seconds so you will have hot water coming out...
At my current home/apt we have central hot water, and to come out hot at 45 it takes about 3 seconds, 8 seconds and it's 60 (at it's fullest)..in low demand hours it reaches even more degrees.
At our seaside house/apt we have our own tankless heater and furnace and it makes water as hot as 85...it takes 5 seconds to have water come out very hot ...it's in the bathroom, one of the last ones to be installed when it were still possible to install them inside...(many people do that anyway still now, especially for the self-installing small ones, which would be still eligible for inside installation anyway according to laws)
I know of people who bought toploaders here that bought a tankless just for the machine, small tankless are so cheap... my granmther also, by living at the 13th and last floor she doesn't get water as hot as the others, so for her maytag she got installed a tankless just above her machine...
If you can, so you have a gas hook up available and space, even by buying an heater on purpose and this device, I guess that in about a year these things pay themselves given the cost of electricty here...
Not sure about the cost of electricity compared to what gas cost in Netherlands, not even sure about your typical load, but here ,you'd save alot anyway, also, many people now who have a chimney available will buy stoves who heats water or will strive to opt for any sort of method except gas and electricty....this device is excellent whenever you have an alternative to electricity (meant as element) to heat your water, electricty is generally much more expensive than gas or everything else ... not to mention that it saves alot of time too...
But again, this thing is not for everyone, many people cannot but if you can do that easily why not?
The lack of possibilty for an hot water faucet or gas heater installation is what has stopped many folks here from buying double fill such as the cheaper LG asian pulsator or the most expensive agitator toploaders from different makes...this is just an alternative to that, with the difference that can feed a washer with it's own heater and whenever you source is not hot enough, it will anyway reduce electricty consumption...

[this post was last edited: 12/21/2014-12:58]
 
Electric Instantaneous Hot Water

I have bought an apartment and it has an instantaneous hot water system which runs on 3 phase power. It's total load is 14.6 kw. I have my dishwasher and washing machine connected to it. My Miele washing machine has two inlet hoses and the machine will mix the water to the temperature selected on the control panel.
The hot water heater has 2 settings: 38 degrees C or 55 degrees C.

mielerod69-2014122117481703952_1.jpg
 
I have a whole house tankless gas heater.  It is located in the basement.  It can deliver very hot water even when the temperature is around 5 degrees, however its performance suffers the same fate as every hot water heater that has ever been in my house.  It must overcome the long pipe run to the kitchen and bathrooms.  Making this run worse is the fact that the delivery pipes in my basement and through the house are 1 inch pipes.  So before you get hot water you must clear the 1 inch pipes of the cold water standing in them.  I don't like this but I cannot tear out the walls to run standard 5/6 inche delivery pipes all over the house.  In my bathroom on the highest floor you need to clear out over 2 1/2 gallons of water from the pipes until the hot water reaches the faucet, but once you have it you have it for as long as you need it.

 

 I discovered this problem with the long runs when I was investigating way my water bill was so high.  Now I recover the cold water in a bucket instead of letting it run down the drain while waiting for hot water, which has lowered my bill.

 

With this condition it would be very hard to use a DW that does not heat it's own water as my current model mostly gets cold to lukewarm but is able to heat it.   Less of a  problem with the washer as it is near the water heater...but even with that it will get a good amount of cold water before hot water reaches it. 

 

So I am all for onboard heaters in every appliance.
 
OK, persons seem to be forgetting on demand water heaters were common in the USA. In fact Mr. Rudd's big ole cast iron with copper coils units were one of the first patented water heaters in the USA.

Rudd sold those units for both domestic and institutional use. For heavy demand one could operate several in tandem that connected to a storage tank thus giving unlimited hot water. They could also be run off a side arm from the boiler as well.

The last bit is how many large apartment buildings in NYC and elsewhere in the Northeast still get hot water; via a sidearm off the boiler (then coal now oil or gas), though there are calls to have buildings install tank units so not to have boilers fired during the warmer months just to supply hot water.

Instant water heaters fell out of favor as Americans moved away from baths towards taking showers. IIRC such devices shine when hot water is used for filling tubs such as bath, laundry, dishwashing, etc... versus the continuous requirements that showers bring. Yes, today it is possible to provide but do not think it was the case with earlier units. To do so back in the day you may have had to have more than one instant unit.

Do not also forget that until the 1950's or even later you still could find "cold water flats" all over NYC, San Francisco and elsewhere. Rather than install instant water heaters as in Europe those buildings either were torn down and rebuilt (with central hot water supplied), or retrofitted with hot water taps. j
 

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