No extra socket is needed - the average dryer has +/- 2500 watts. Heat-pump version can go as low as 1200 watts.
NON USA Dryers; what is typical, electric, gas, clothes line?
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Heres the spec for the V-Zug Heat Pump Dryer @6kg load, impressive for the energy usage!!!
OMG I`ve just realised the sticker is still on...Lol it will be vintage like the stuff we find with the stickers on...is that chavvy in shavvy or good thinking!!!
Voltage: 230 volt
Connected loads:1.5 kilowatt
Fuse protection:10 amps
Energy efficiency:A+
Better than energy: class:A-30%
Energy consumption: 1.94 kWh
OMG I`ve just realised the sticker is still on...Lol it will be vintage like the stuff we find with the stickers on...is that chavvy in shavvy or good thinking!!!
Voltage: 230 volt
Connected loads:1.5 kilowatt
Fuse protection:10 amps
Energy efficiency:A+
Better than energy: class:A-30%
Energy consumption: 1.94 kWh
POWER USAGE OF HEAT-PUMP DRYER
Hi Mike Almost 2 KWs seems like a lot of power consumption to dry a load of clothes is this correct? and what sike load and how long does it take?
Hi Mike Almost 2 KWs seems like a lot of power consumption to dry a load of clothes is this correct? and what sike load and how long does it take?
2kW Allot Of Power For A Dryer?
Oh I don't know.
My Pfaff rotary ironer (made in Germany) pulls 2.05kW for the heater, 1kW for the steam boiler, and about 95w for the motor.
OTHO my vintage Frigidaire ironer pulls about 1570 watts with a roller size just several inches shorter than the Pfaff.
Is there a difference in performance?
What I have noticed is that the Euro ironer not only heats up faster (comes to max temp in <8min), maintains heat and in general is able to run hotter than the Frigidare. Even over damp linens will be dry in about one pass with the Pfaff, whilst the Frigidare may take two.
Methinks therefore the rationale for pulling so much power is that higher heat is not only reached faster, but less juice is required to keep it there. This probably leads to less energy use for a dryer as the load is finished quicker.
Oh I don't know.
My Pfaff rotary ironer (made in Germany) pulls 2.05kW for the heater, 1kW for the steam boiler, and about 95w for the motor.
OTHO my vintage Frigidaire ironer pulls about 1570 watts with a roller size just several inches shorter than the Pfaff.
Is there a difference in performance?
What I have noticed is that the Euro ironer not only heats up faster (comes to max temp in <8min), maintains heat and in general is able to run hotter than the Frigidare. Even over damp linens will be dry in about one pass with the Pfaff, whilst the Frigidare may take two.
Methinks therefore the rationale for pulling so much power is that higher heat is not only reached faster, but less juice is required to keep it there. This probably leads to less energy use for a dryer as the load is finished quicker.
Hi combo52,
almost 2 KWh per load in a dryer is a extremly low consumption rate.
Go figure the most energy efficent same sized **non-heat pump** condenser dryers draw round 4 KWh (then literally twice)
Compare specifications of this regular condenser Miele T 8822 C (3,9 Kwh)
http://www.miele.co.uk/tumble-dryers/t8000/t8822c-282/
and its heat pump twin T 8826 WP (2,0 Kwh)
http://www.miele.co.uk/tumble-dryers/t8000/t8826wp-392/
Same applies to whatever other brand
almost 2 KWh per load in a dryer is a extremly low consumption rate.
Go figure the most energy efficent same sized **non-heat pump** condenser dryers draw round 4 KWh (then literally twice)
Compare specifications of this regular condenser Miele T 8822 C (3,9 Kwh)
http://www.miele.co.uk/tumble-dryers/t8000/t8822c-282/
and its heat pump twin T 8826 WP (2,0 Kwh)
http://www.miele.co.uk/tumble-dryers/t8000/t8826wp-392/
Same applies to whatever other brand
cfz2882
Well-known member
energy consumption
i have thought about hooking a watt-hour meter to my 3 dryers and running
my usuall loads and cycles to see what they use-kinda hard to do a
dryer vs dryer test because there are so many varibles that could affect the
results of such a test,the splendide by far uses the least power when running
but it also by far takes the longest to dry though once up to temp the
heater cycles on and off as needed to maintain the temperature in the drum.
The asko's condensing action is affected some by the temperature of the
ambient air blown through the condenser.
i have thought about hooking a watt-hour meter to my 3 dryers and running
my usuall loads and cycles to see what they use-kinda hard to do a
dryer vs dryer test because there are so many varibles that could affect the
results of such a test,the splendide by far uses the least power when running
but it also by far takes the longest to dry though once up to temp the
heater cycles on and off as needed to maintain the temperature in the drum.
The asko's condensing action is affected some by the temperature of the
ambient air blown through the condenser.
I just did a load in my Miele condenser dryer, laundry was spun at 1400rpm. It was an almost full drum in the Miele washer. It took exactly an hour till it hit the cool down. The total Wattage the dryer can take is 2880 Watts, including the motor, but ofcourse the element isn't continuously heating. I have no loose powermeter, so I can't measure.
Mike, did you measure the power usage with a meter? 1.94kWh sounds a bit much for a heat pump dryer.
Mike, did you measure the power usage with a meter? 1.94kWh sounds a bit much for a heat pump dryer.
dj-gabriele
Well-known member
- Joined
- Jun 24, 2007
- Messages
- 1,685
1.94kWh sounds a bit much for a heat pump dryer
Why is that?
1940 Wh / 6kg = 323Wh/kg that's half than a B class standard condenser dryer!
Also the first heat pump dryer from Electrolux, for the same 6 kg load used 2,4 kWh!
Still a lot less than a standard dryer!
I understand that there are more economic machines like the Bosch/Siemen dryer and the Hotpoint Aqualtis ones but still it's a 50% saving!
Why is that?
1940 Wh / 6kg = 323Wh/kg that's half than a B class standard condenser dryer!
Also the first heat pump dryer from Electrolux, for the same 6 kg load used 2,4 kWh!
Still a lot less than a standard dryer!
I understand that there are more economic machines like the Bosch/Siemen dryer and the Hotpoint Aqualtis ones but still it's a 50% saving!
"1.94kWh sounds a bit much for a heat pump dryer"
This is the official TEST figures for a 6kg Cotton Load, havnt popped a test meter on it yet, I did the same load of towels myself spun at 1600rpm, placed them in the Maytag condenser dryer and it took 20mins more...(1hr 20)
I think like anything else the technology will improve considerably as time moves on!!
Anyone else used a Heat Pump Euro Dryer yet??
This is the official TEST figures for a 6kg Cotton Load, havnt popped a test meter on it yet, I did the same load of towels myself spun at 1600rpm, placed them in the Maytag condenser dryer and it took 20mins more...(1hr 20)
I think like anything else the technology will improve considerably as time moves on!!
Anyone else used a Heat Pump Euro Dryer yet??
POWER CONSUMPTION OF CLOTHES DRYERS
Thanks for all the good input on this topic. I have always been very interested in the cost of power [ electricity, gas natural and propane, heating oil and the cost of water etc. ] I am always amazed that most people have no idea what these necessities of life cost but they could tell you what they paid for a gallon of gasoline or even a gallon of milk.
For years I have kept two kilowatt meters hooked up in my shop and I love to monitor the cost of drying a load of clothing in different dryers and different loads spun out in different washers. I have also calculated the cost of running lots of different refrigerators, the cost of running the self-cleaning cycle on a lot of different US electric ranges, even the cost of running my hot tub month after month.
But back to heat-pump dryers, I did expect to see a lower total power consumption per load than almost two KWs of power used. For example when I run 29" WP built dryer with a 5600 watt heater it will dry a 10 lb + load in just over an hour using a total of about 5 KWs of power and this load is being spun in a WP DD washer spinning at 640 RPMs for just 6 minutes. If I put this same size and condition load in my 1962 Frigidare custom Imperial air-cooled condensing dryer it will take an hour and 20-30 minutes and use over 6 1/2 KWs of total power. The dryer has a 4400 watt heater.
I would love to get my hands on a heat-pump dryer to do some testing on but haven't seen any in this country yet [ if some one here sees one let me know ]. As I said in an earlier post my brother and I designed one on paper many years ago we are still talking about building one. And I think they will seem like gift from the gods for people with venting problems or without natural gas but it doesn't seem when you consider the complexity and cost of the machine or the cost of operation that they will knock gas dryers off as the most environmentally friendly way to automatically dry clothing any time soon.
Thanks for all the good input on this topic. I have always been very interested in the cost of power [ electricity, gas natural and propane, heating oil and the cost of water etc. ] I am always amazed that most people have no idea what these necessities of life cost but they could tell you what they paid for a gallon of gasoline or even a gallon of milk.
For years I have kept two kilowatt meters hooked up in my shop and I love to monitor the cost of drying a load of clothing in different dryers and different loads spun out in different washers. I have also calculated the cost of running lots of different refrigerators, the cost of running the self-cleaning cycle on a lot of different US electric ranges, even the cost of running my hot tub month after month.
But back to heat-pump dryers, I did expect to see a lower total power consumption per load than almost two KWs of power used. For example when I run 29" WP built dryer with a 5600 watt heater it will dry a 10 lb + load in just over an hour using a total of about 5 KWs of power and this load is being spun in a WP DD washer spinning at 640 RPMs for just 6 minutes. If I put this same size and condition load in my 1962 Frigidare custom Imperial air-cooled condensing dryer it will take an hour and 20-30 minutes and use over 6 1/2 KWs of total power. The dryer has a 4400 watt heater.
I would love to get my hands on a heat-pump dryer to do some testing on but haven't seen any in this country yet [ if some one here sees one let me know ]. As I said in an earlier post my brother and I designed one on paper many years ago we are still talking about building one. And I think they will seem like gift from the gods for people with venting problems or without natural gas but it doesn't seem when you consider the complexity and cost of the machine or the cost of operation that they will knock gas dryers off as the most environmentally friendly way to automatically dry clothing any time soon.
results to follow
I have a plug-in kWh meter and I will be doing a load of towels later on.
I will wash it in the Bosch Logixx 8kg (17.6lbs) machine at 60ºC (140ºF) and spin at 1600rpm
Then dry in a Miele dryer.
I'll give you details of kWh used for each stage.
I have a plug-in kWh meter and I will be doing a load of towels later on.
I will wash it in the Bosch Logixx 8kg (17.6lbs) machine at 60ºC (140ºF) and spin at 1600rpm
Then dry in a Miele dryer.
I'll give you details of kWh used for each stage.
3beltwesty
Well-known member
- Joined
- Nov 29, 2010
- Messages
- 1,057
Here I have a couple dozen of the house/business regular glass covered watt hour meters. I have picked them up at the TRW ham radio swap meets in California, and may from Ebay too. In my business and home I have used these in line with AC units and devices to explore where the "money is going". In California I wired one to measure my apartments 230 volt 15 ton AC unit; and had one too for my apartments electric heater which was a horrible costly 11 Kw! I also had one on my fridge too! Today one can buy the simple kill a watt meter for simple 120 volt loads. For 240 V I just use a meter box and have the meter in the middle of a giant male female extension cord sized for the load.
Here for my 1976 westy electric dryer the heater is 5400 watts, but the unit cycles on and off and goes through a cool down cycle. With a modern FL washer with a high extract rpm; the dryer has way less to dry. The dryer might only have to run 20 to 30 minutes tops and if 30 minutes the KWHR is NOT 2.7KWHR; more like 0.8 to 1.5 ish. Ie a dryer load costs me often 13 to 25 cents; but often that is not much items.
If I packed the dryer with wet unspun hand washed bluejeans on a rainy day; the darn thing might run one hour at the full 5400 watts at 16 cents per KWHR and thus I spent 86 cents, maybe 1 buck to full dry a dozen hand washed unspun pairs of jeans. The same jeans if placed on a clothes line on a sunny day would have a zero dry cost. A hybrid approach is to hang the handwashed stuff over the tub and then place them in the dryer hours later and one saves 50 cents!
With a dryer like mine the element stays fully on until the air temp reaches about 145 to 155 F; then it cycles one and off for a decent time, then the heater is off in the cool down cycle.
If one drys a lot of items with a vented dryttiems
Here for my 1976 westy electric dryer the heater is 5400 watts, but the unit cycles on and off and goes through a cool down cycle. With a modern FL washer with a high extract rpm; the dryer has way less to dry. The dryer might only have to run 20 to 30 minutes tops and if 30 minutes the KWHR is NOT 2.7KWHR; more like 0.8 to 1.5 ish. Ie a dryer load costs me often 13 to 25 cents; but often that is not much items.
If I packed the dryer with wet unspun hand washed bluejeans on a rainy day; the darn thing might run one hour at the full 5400 watts at 16 cents per KWHR and thus I spent 86 cents, maybe 1 buck to full dry a dozen hand washed unspun pairs of jeans. The same jeans if placed on a clothes line on a sunny day would have a zero dry cost. A hybrid approach is to hang the handwashed stuff over the tub and then place them in the dryer hours later and one saves 50 cents!
With a dryer like mine the element stays fully on until the air temp reaches about 145 to 155 F; then it cycles one and off for a decent time, then the heater is off in the cool down cycle.
If one drys a lot of items with a vented dryttiems
in Slovenia
Here in Slovenia based on the last statistic 30% of the households own a dryer. (or a combo) Condenser dryers are the most common and the most available in the stores. I think very few households have a vented dryer.
14% of those who own a dryer use it also during the summer time (or when the weather is fine)
In my Country the winters can be quite cold and in the Capital city the weather during the winter time is in some period quite foggy so a dryer realy isn't a strange thing to be seen.
I live in a region wher we have quite enough windy weather so we can also dry outside.
For me using the dryer is part of the washing process. I use it all the times. (I am part of that 14%) I rarely dry outside mainly because what comes from the dryer don't need to be iron. Here in Slovenia the electricity is quite cheap and we all have 6 KW of power.
Ingemar
Here in Slovenia based on the last statistic 30% of the households own a dryer. (or a combo) Condenser dryers are the most common and the most available in the stores. I think very few households have a vented dryer.
14% of those who own a dryer use it also during the summer time (or when the weather is fine)
In my Country the winters can be quite cold and in the Capital city the weather during the winter time is in some period quite foggy so a dryer realy isn't a strange thing to be seen.
I live in a region wher we have quite enough windy weather so we can also dry outside.
For me using the dryer is part of the washing process. I use it all the times. (I am part of that 14%) I rarely dry outside mainly because what comes from the dryer don't need to be iron. Here in Slovenia the electricity is quite cheap and we all have 6 KW of power.
Ingemar
Drying results
Wash:
Load : 13 medium sized towels and 4 face cloths.
Wash : 60ºC cotton
Detergent : Ariel Bio Powder
Softener : Ecover
Options: Extra water
Spin: 1600
Power consumed: 1.2kWh
Dryer - Miele Vented sensor dryer (around 10 years old)
Set to Normal+ on a miele dryer. Loaded pretty heavily (over-loaded technically but it works fine0
Dry time : 67 mins
Power used : 4.42kWh.
Don't really know if that's good / bad / middling.
Wash:
Load : 13 medium sized towels and 4 face cloths.
Wash : 60ºC cotton
Detergent : Ariel Bio Powder
Softener : Ecover
Options: Extra water
Spin: 1600
Power consumed: 1.2kWh
Dryer - Miele Vented sensor dryer (around 10 years old)
Set to Normal+ on a miele dryer. Loaded pretty heavily (over-loaded technically but it works fine0
Dry time : 67 mins
Power used : 4.42kWh.
Don't really know if that's good / bad / middling.
samsungfl
Well-known member
Very Interesting thread!
Nice to see a thread like this on here! Following on the above posts its suprising to see the variation of electricity different dryers use. The new Heat Pump technology really does seem impressive in terms of electricity savings!
The dryer I have, the Bendix 7442 is quite impressive I find, its maximum power consumption is only 2.3KW, which seems rather low to me as some other dryers seem to vary from this, all the way up to 3000w.
However where dryers are concerned I do think powerfull airflow is key, and goes to saving electricity also. On my dryer I mostly use the Half Heat option which dries most loads within 40-60 minutes which I find more than acceptable, high heat is only used if I'm in a rush. Would also be interesting to find out how many watts the machine is drawing using the half heat option, I'm lead to believe it would be roughly 200-400w less than the full heat option, but thats purely speculation
Drying using slightly less heat also helps with creasing I find, ever since I've had this dryer I've never had clothes so crease free out of a tumble dryer, same goes for towels - fluffy everytime whilst retaining the scent of the detergent they where washed in.
With my previous White Knight dryer I found that High heat would literally render
off the majority of the scent and also cause creasing and patchy drying, though I do believe these rely more on harsh heat than the airflow.
I do also have some experience using large capacity dryers at my local launderette (Gas fed, produced by ADC - American Dryer Corp.) I find these to be VERY fast however the heat thats used is far too much, when I used these most laundry would have literally no scent left at all and also be slightly rough to the touch due to the very high temperatures, but back then it was either that or wait for my compact White Knight dryer to work its way through multiple loads from my 6kilo Miele, and bear in mind each load in the dryer would be half the washers capacity, and take anywhere between 60-80 minutes to dry, which would in turn over-work the dryer and take an age to get laundry washed and dried.
Keep posting guys, always nice to hear a mix of opinions on here
Nice to see a thread like this on here! Following on the above posts its suprising to see the variation of electricity different dryers use. The new Heat Pump technology really does seem impressive in terms of electricity savings!
The dryer I have, the Bendix 7442 is quite impressive I find, its maximum power consumption is only 2.3KW, which seems rather low to me as some other dryers seem to vary from this, all the way up to 3000w.
However where dryers are concerned I do think powerfull airflow is key, and goes to saving electricity also. On my dryer I mostly use the Half Heat option which dries most loads within 40-60 minutes which I find more than acceptable, high heat is only used if I'm in a rush. Would also be interesting to find out how many watts the machine is drawing using the half heat option, I'm lead to believe it would be roughly 200-400w less than the full heat option, but thats purely speculation
Drying using slightly less heat also helps with creasing I find, ever since I've had this dryer I've never had clothes so crease free out of a tumble dryer, same goes for towels - fluffy everytime whilst retaining the scent of the detergent they where washed in.
With my previous White Knight dryer I found that High heat would literally render
off the majority of the scent and also cause creasing and patchy drying, though I do believe these rely more on harsh heat than the airflow.
I do also have some experience using large capacity dryers at my local launderette (Gas fed, produced by ADC - American Dryer Corp.) I find these to be VERY fast however the heat thats used is far too much, when I used these most laundry would have literally no scent left at all and also be slightly rough to the touch due to the very high temperatures, but back then it was either that or wait for my compact White Knight dryer to work its way through multiple loads from my 6kilo Miele, and bear in mind each load in the dryer would be half the washers capacity, and take anywhere between 60-80 minutes to dry, which would in turn over-work the dryer and take an age to get laundry washed and dried.
Keep posting guys, always nice to hear a mix of opinions on here
Better dryers, like Miele's machines, seem to use a LOT more air than other designs. You can really notice how much air's coming out of the vent hose on ours compared to other types of vented dryers.
It seems to be how they achieve such good results i.e. more air, less heat.
It seems to be how they achieve such good results i.e. more air, less heat.
3beltwesty
Well-known member
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- Nov 29, 2010
- Messages
- 1,057
With a giant family, old washer with low spin speed, a gas d
one therm equals 100 cubic feet (1 CCF).
Here I only wash about 2.5 loads a week.
In the gas versus electric dryer cost calculator in the link, I used 3 loads per week and the local current gas and electric rates.
The electric rate is the new schedule staring April 1 2011, it had a bigger fixed charge for the Katrina rebuild cost.
With the new LG FL washer the time to use the dryer is often 15 to 30 minutes, 30 is rather rare, more like for many bluejeans.
The dryer here is 5400 watts , but with small loads is cycling on and off. There model is in the ballpark for what I have actually measured. *IF* I send the 1976 electric dryer to the crusher, and get a free gas dryer and free licensed plumber, my savings will buy a 6 pack of decent beer a year. This assumes the insurance co is no disturbed by a gas dryer too.
With a giant family, old washer with low spin speed, a gas dryer pays off real quickly. For me the savings are nothing to get exited about. Thus I am getting a new 18 cuft refrigerator that draws only 335 KWHR per year, the old one from 1990 that died recently drawed about 1200 KWHR.
one therm equals 100 cubic feet (1 CCF).
Here I only wash about 2.5 loads a week.
In the gas versus electric dryer cost calculator in the link, I used 3 loads per week and the local current gas and electric rates.
The electric rate is the new schedule staring April 1 2011, it had a bigger fixed charge for the Katrina rebuild cost.
With the new LG FL washer the time to use the dryer is often 15 to 30 minutes, 30 is rather rare, more like for many bluejeans.
The dryer here is 5400 watts , but with small loads is cycling on and off. There model is in the ballpark for what I have actually measured. *IF* I send the 1976 electric dryer to the crusher, and get a free gas dryer and free licensed plumber, my savings will buy a 6 pack of decent beer a year. This assumes the insurance co is no disturbed by a gas dryer too.
With a giant family, old washer with low spin speed, a gas dryer pays off real quickly. For me the savings are nothing to get exited about. Thus I am getting a new 18 cuft refrigerator that draws only 335 KWHR per year, the old one from 1990 that died recently drawed about 1200 KWHR.
3beltwesty
Well-known member
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- Nov 29, 2010
- Messages
- 1,057
Demand meters are a reason a commerical place hates electric
If I ran my home dryer at my business, my "demand meter" would jump by 5.4 KW if the heater was on for about 10 to 15 minutes straight. Thus if my demand during no ac winters is low say 7KW. the added wattage places me into a 12 KW higher rate schedule. In the the many AC's run; running a dryer too might make the total demand be 20 KW demand schedule.
with a demand meter, it measured total KWHR and also the PEAK demand KW over a 15 minute period over the monthly cycle. One gets billed at least with a 5 KW demand, and above this uses a weird of "200 hours times the demand" ie 200 * 5KW is 1000 KWHR.
With a demand meter; if I used 1000 KWHR in one month in my business and the peak demand is only 5KW, my rate is low.
If my demand is 10KW, I pay more per KWHR for that 1000KWHR
If my demand is 20KW, I pay even more per KWHR for that 1000KWHR
The power co wants non peaky loads.
If I ran my home dryer at my business, my "demand meter" would jump by 5.4 KW if the heater was on for about 10 to 15 minutes straight. Thus if my demand during no ac winters is low say 7KW. the added wattage places me into a 12 KW higher rate schedule. In the the many AC's run; running a dryer too might make the total demand be 20 KW demand schedule.
with a demand meter, it measured total KWHR and also the PEAK demand KW over a 15 minute period over the monthly cycle. One gets billed at least with a 5 KW demand, and above this uses a weird of "200 hours times the demand" ie 200 * 5KW is 1000 KWHR.
With a demand meter; if I used 1000 KWHR in one month in my business and the peak demand is only 5KW, my rate is low.
If my demand is 10KW, I pay more per KWHR for that 1000KWHR
If my demand is 20KW, I pay even more per KWHR for that 1000KWHR
The power co wants non peaky loads.
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