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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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    • CommentAuthorDantenz
    • CommentTimeApr 28th 2009
     
    Posted By: CWattersThe amount of heat that a UFH system can pump out is limited by the floor temperature your feet can withstand.

    Not strictly true. If my memory serves me right there are maximum temperatures that the floor musn't exceed over and above design room temp. for each particular room. I seem to recall it's 9'C so, for a living room @20'C the floor temp. shouldn't exceed 29'C. There is a reason for this and I believe it has something to do with, particularly in older women for whatever reason, swelling of the legs.
    • CommentAuthorchuckey
    • CommentTimeApr 28th 2009
     
    That floor temperature is correct, an Aunt of mine had the "itchy ankle" syndrome when visiting a friend of her's in an old peoples home with badly setup UFH.
    Frank
  1.  
    Paul
    My apologies hadn't seen that Was just trying to assist people with high electric bills to save money and reduce their carbon footprint. I think you will find they are considerably more than your estimation and my claims are proven. It might be best to let people decide and find out for themselves.
    • CommentAuthorpeteb898
    • CommentTimeOct 8th 2009
     
    storage heaters are not very good but there are new electric heaters out there that will save you 40% on your energy bill if you do have storage heater and uyou are looking to ut grade mail me
    • CommentAuthorSimonH
    • CommentTimeOct 8th 2009
     
    <blockquote><cite>Posted By: peteb898</cite>storage heaters are not very good but there are new electric heaters out there that will save you 40% on your energy bill if you do have storage heater and uyou are looking to ut grade mail me</blockquote>

    Are these the new super efficient plug in heaters from Germany I've seen advertised? If so how do they work?
  2.  
    Posted By: SimonHIf so how do they work?
    Same way as all other electric heaters - they're 100% efficient.
    • CommentAuthorSimonH
    • CommentTimeOct 9th 2009
     
    <blockquote><cite>Posted By: Paul in Montreal</cite><blockquote><cite>Posted By: SimonH</cite>If so how do they work?</blockquote>Same way as all other electric heaters - they're 100% efficient.</blockquote>
    I know that ;-) But how are these new heaters more efficent than say, a 1 bar electric fire?
    • CommentAuthorsinnerboy
    • CommentTimeOct 10th 2009
     
    100% efficient at the point of demand . But with multiple waste attached prior to demand . In IRL/UK - electricity is a dirty polluting fuel
    • CommentAuthorTerry
    • CommentTimeOct 12th 2009
     
    There is(was?) a firm based somewhere near Straford on Avon that installed a water based system. My brother-in-law had one. The storage tank was built in-situ in an outhouse and was about 1m thick X 2m high and 3m long. It was fully insulated so fully controllable, but what a behemoth!
    Frank

    sounds like a thermal store???
    • CommentAuthorrobbie boy
    • CommentTimeJun 20th 2010
     
    if you would care to contact then I would tell you how they are more efficient. But basically when at full optimimum temperature the intelligent thermostat reduces the amount of power required to keep the radiator at optimum temp. ie 1KW for 10 mins then 250 watt after that so reducing consumption by 25% at source and then adding 7day 24 hour programming saves even more
    • CommentAuthorjemhayward
    • CommentTimeJun 22nd 2010
     
    Electric heating has one really big advantage: Control, though with a storage radiator, you sacrifice this for the advantage of cheaper units. Next big advantage is installation costs, usually very cheap. In pure money terms there is a compelling case for electric heating, especially when you want to invest in other things.
    We used Sunswitch patio heaters in our barn when we were working in there, and using it as an occasional room. Yes, per minute they were very expensive, but they were only heating us for short periods. We're still heating water with electricity and in the main house we used a storage heater for the coldest weeks when our woodburner wasn't enough. Now we have as much insulation in the barn as we can fit, and when finances recover we hope to fit ASHP (we don't have gas). So if budget is tight, get cheap electric heating whilst saving up for something more efficient and switch to a green tariff to salve your carbon conscience.
    • CommentAuthorrobbie boy
    • CommentTimeJun 24th 2010
     
    for anyone wanting to replace storage heaters with an elctrical heating system far more economical to run. go to the company web site that installed mine www.rcs-energyefficiency.co.uk it tells you all you need to know.
    • CommentAuthorneelpeel
    • CommentTimeJun 24th 2010
     
    robbie boy, you've already been warned that blatant advertising of this nature is against forum rules.

    personally I would never buy from a company that tried to tout its wares in such a shoddy fashion. I'm guessing many people here would feel the same.
    • CommentAuthorevan
    • CommentTimeJun 29th 2010 edited
     
    Our rented house has Dimplex storage heaters. It also had almost no insulation and shoddy 70s double glazing. In the winter evenings you could have 12 degrees C in the living room, despite burning more than 80kWh per night in an attempt to heat the place. Absolute disaster!

    Over a few years I've been stealthily adding loft insulation and draft seals at my own expense. Now we get away with: one storage heater for most of the year in the hall, mainly for clothes drying. Home-made wood stove fitted into the living room fireplace, lit most evenings. Oil filled radiator in the bedroom, on a timer. Fan heater in the shower room.

    Even though we now use supplementary electric heating during peak rate, and that the unit cost has nearly doubled since we moved in (now on a green tariff), and added two electric cars, the electricity bills are a fraction of what they were. And slightly less likely to freeze to death :)

    So yes, storage heaters: hate them. Just an anecdote!
    •  
      CommentAuthorSteamyTea
    • CommentTimeJun 29th 2010 edited
     
    Evan

    I think that says more about the success of insulation and draught proofing than how useless storage heaters are, or have I go the wrong end of the stick. I have a reasonably insulated house that I have not upgraded but did draught proof last autumn and have halved my bills.

    So no, storage heaters: they are OK in the right house. Just an anecdote!
    :devil:
    • CommentAuthorevan
    • CommentTimeJun 29th 2010
     
    Fair point :) It did seem cheaper and warmer to run spot heating only when needed rather than take advantage of the cheap rate power though, even before adding insulation.
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