03-10-2022, 20:02
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#1441
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cf.mega poster
Join Date: Jun 2003
Posts: 8,914
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Re: The energy crisis
Quote:
Originally Posted by Jaymoss
It is all close enough. I went round most of my kit measuring usage from the plug and measuring from the specs and my estimates are pretty damn close month to month and year to year
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You have missed the point. A dehumidifier recovers heat that would otherwise be lost. But it's hard to measure.
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03-10-2022, 21:42
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#1442
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Just a Geek
Join Date: Jul 2015
Posts: 3,624
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Re: The energy crisis
Quote:
Originally Posted by spiderplant
You have missed the point. A dehumidifier recovers heat that would otherwise be lost. But it's hard to measure.
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Richard asked how much they cost to run. Please tell me point missed or not would my equation give him a rough idea of running costs or not?
---------- Post added at 21:42 ---------- Previous post was at 21:37 ----------
Octopus have set their electric unit rate at 33.02p which is the lowest rate country wide. The highest 35.98 North Wales and Mersey
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03-10-2022, 22:56
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#1443
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CF Resident Dog
Join Date: Mar 2005
Posts: 14,334
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Re: The energy crisis
Bulb is 35.05 but their standing charge is 38.94 compared to Octopus 44.71, I've not done the maths but I guess Octopus is cheaper over all?
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03-10-2022, 23:02
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#1444
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Just a Geek
Join Date: Jul 2015
Posts: 3,624
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Re: The energy crisis
Quote:
Originally Posted by SnoopZ
Bulb is 35.05 but their standing charge is 38.94 compared to Octopus 44.71, I've not done the maths but I guess Octopus is cheaper over all?
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Yeah if you use 10 KWH per day you are at 20p per day so 14p more hahaha
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03-10-2022, 23:05
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#1445
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CF Resident Dog
Join Date: Mar 2005
Posts: 14,334
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Re: The energy crisis
Quote:
Originally Posted by Jaymoss
Yeah if you use 10 KWH per day you are at 20p per day so 14p more hahaha
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I may have to sell the house so I can afford it! 
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03-10-2022, 23:27
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#1446
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Just a Geek
Join Date: Jul 2015
Posts: 3,624
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Re: The energy crisis
Quote:
Originally Posted by SnoopZ
I may have to sell the house so I can afford it! |
hahahahaha it all adds up its like a pint in a month hahaha
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04-10-2022, 11:48
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#1447
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cf.mega poster
Join Date: Jun 2010
Location: Jarrow Tyne & Wear
Services: V.I.P 120 tivo and v+
Posts: 5,806
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Re: The energy crisis
just got a email my DD just doubled from £100 to £213.58 per month not happy
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04-10-2022, 11:55
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#1448
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Virgin Media Employee
Join Date: Sep 2005
Location: Winchester
Services: Staff MyRates
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Posts: 3,126
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Re: The energy crisis
On cost of running dehumidifier - one report I read suggested a couple of hundred a year or more. One figure was closer to £500 than £200, no mention on age of unit or how used.
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04-10-2022, 11:59
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#1449
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Just a Geek
Join Date: Jul 2015
Posts: 3,624
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Re: The energy crisis
Quote:
Originally Posted by Dave42
just got a email my DD just doubled from £100 to £213.58 per month not happy
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do the maths on your consumption and the new rates then you will know what the DD should be
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04-10-2022, 12:07
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#1450
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Perfect Soldier
Join Date: Mar 2009
Location: Worthing West Sussex
Age: 67
Services: VM 500M SH3 thingy
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Posts: 11,010
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Re: The energy crisis
I have a small unit that says 9.5L a day removed. Power is 230W so about 1 unit every 4 hours.
Latent heat of vapourisation of water is ~ 2.3KJ / Kg so the amount of recovered heat for 9.5L is about 22KJ in 24 Hours. About 1KWh so the 230W is almost quadrupled for heating the room.
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04-10-2022, 14:19
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#1451
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cf.mega poster
Join Date: Jun 2003
Posts: 8,914
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Re: The energy crisis
Quote:
Originally Posted by heero_yuy
I have a small unit that says 9.5L a day removed. Power is 230W so about 1 unit every 4 hours.
Latent heat of vapourisation of water is ~ 2.3KJ / Kg so the amount of recovered heat for 9.5L is about 22KJ in 24 Hours. About 1KWh so the 230W is almost quadrupled for heating the room.
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Thanks - that's the figure I wanted. Though in my experience it never removes anywhere near the maximum quoted volume of water.
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04-10-2022, 15:51
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#1452
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Dr Pepper Addict
Cable Forum Team
Join Date: Oct 2003
Location: Nottingham
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Posts: 27,837
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Re: The energy crisis
Quote:
Originally Posted by Jaymoss
Octopus have set their electric unit rate at 33.02p which is the lowest rate country wide. The highest 35.98 North Wales and Mersey
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Bulbs standard rate in my area is 33.017p, which rounds up to the same 33.02p.
However, my rate actually works out cheaper, at 31.90p as I'm on Economy 7 
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04-10-2022, 16:12
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#1453
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Sad Doig Fan!
Join Date: Aug 2007
Location: Barry South Wales
Age: 68
Services: With VM for BB 250Mb service.(Deal)
Posts: 11,668
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Re: The energy crisis
I'm on a prepayment meter and have just been sent my projected cost for the next year.
£100 more!!! Ah well the £600 I'm getting will cover that.
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04-10-2022, 16:14
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#1454
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vox populi vox dei
Join Date: Mar 2007
Location: the last resort
Services: every thing
Posts: 13,739
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Re: The energy crisis
My new rate 35.739 /kwh
standing charge 55.759 /day provider e on next
disappointing when you factor in we are surrounded by wind farms [another con]
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04-10-2022, 17:18
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#1455
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Dr Pepper Addict
Cable Forum Team
Join Date: Oct 2003
Location: Nottingham
Age: 61
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Posts: 27,837
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Re: The energy crisis
Quote:
Originally Posted by RichardCoulter
Do dehumidifiers cost a lot to run?
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Thats like asking do light bulbs cost a lot to run.
As with anything, the answer depends on the wattage of the device.
A 250W dehumidifier will use 1KWH of electricity every 4 hours (about 35p at the new rates).
The "recovered heat" is irrelevant to the actual cost of electricity while its running.
However, it does (should) mean you need to run it less hours overall to maintain a desired room temperature.
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