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General: Heating on...

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    • CommentAuthorJoiner
    • CommentTimeJul 5th 2012
     
    Nah. It's the weather that makes us what we are. Character-building. :boogie:
    •  
      CommentAuthorDamonHD
    • CommentTimeJul 5th 2012
     
    It is for 3rd parties to judge whether the characters we ended up with are a good or a bad thing...

    Rgds

    Damon
    • CommentAuthorJoiner
    • CommentTimeJul 5th 2012 edited
     
    Well, OK, so the Krays were a bad lot. But they loved their mother. And as a nation we've not turned out so bad. :grouphug:
    •  
      CommentAuthorSteamyTea
    • CommentTimeJul 5th 2012 edited
     
    If we could choose a character to be, I think I would be Alt+168
    • CommentAuthorJoiner
    • CommentTimeJul 5th 2012
     
    Since when were you a third party? :confused:
    •  
      CommentAuthorSteamyTea
    • CommentTimeJul 5th 2012 edited
     
    Since I was not invited that party.
    • CommentAuthorJoiner
    • CommentTimeJul 5th 2012
     
    Aaaah. :cry:
    •  
      CommentAuthorSteamyTea
    • CommentTimeJul 5th 2012
     
    :bigsmile:
  9.  
    CH on this morning -- I couldn't face another shower in a 12C bathroom :-/
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 24th 2012 edited
     
    Heating on 2012, the hardy shall inherit (or go shivering to the shower)
    The format we used is below. Copy the headings and fill your details in please (I know I can get it from somewhere else but it saves me doing it)
    Thanks

    User,Heating On,Date,Latitude,Altitude,Heating Type
    • CommentAuthortony
    • CommentTimeSep 24th 2012
     
    Surely we aren't talking about this already! I'm aiming at well after the new year....
    • CommentAuthorGaryB
    • CommentTimeSep 25th 2012
     
    Had to turn on the heating for an hour yesterday for hot water - our daughter is now back at home and she used the last of the solar generated water yesterday morning and with the crappy weather there's no prospect of any solar input for the next few days. Managed from mid-March until now on solar DHW alone.

    So we have had an hour of heating so far but it wouldn't have been turned on if we had not needed hot water. House temperatures in the morning are generally 16 deg C at present.
    • CommentAuthorSeret
    • CommentTimeSep 25th 2012
     
    Posted By: tonySurely we aren't talking about this already! I'm aiming at well after the new year....


    A large group if my friends were talking on Facebook the other day that they've just had to switch theirs on, so they has been a bit of a mass switch on with the weather turning this week.

    Mine went on a couple of days ago. Would have liked to hold of longer but we've got a baby in the house.
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 25th 2012 edited
     
    A rapid drop in temperature of 2 or 3°C can make it feel cold My house is still sitting around the 20°C mark. It is sun and showers today and I feel cold, though that could be because I have not moved much from the keyboard. 12.3°C outside, think I better go check it out.

    Seret
    You could always change your facebook friends. This heating on envy will do us no good, we want heating off envy :wink:
    • CommentAuthorskyewright
    • CommentTimeSep 25th 2012
     
    I'll fess up:

    Skyewright,Yes,24/09/2012,57N,100,Electric (Funny Tariff)

    Only partly on (ah, the flexibility of electric heating :wink:), but on nonetheless.

    PS. Last year it was 13/10/2011.
    • CommentAuthorskyewright
    • CommentTimeSep 25th 2012
     
    Posted By: SteamyTeaA rapid drop in temperature of 2 or 3°C can make it feel cold

    The trigger here is a lack of sun and a NNE gale. Average outside temps were a couple of degrees lower last week, but that bit of sun made a substantial difference.
  17.  
    After the hottest summer on record, autumn has arrived and so the heating went on sometime last week. As there's still lots of solar gain in the day, though, it's barely coming on, but I like to maintain the house at a constant temperature/humidity. We're still getting up to around the 20C mark in the day, but it's down into single digits at night now.


    User,Heating On,Date,Latitude,Altitude,Heating Type

    Paul in Montreal, Sept 23, 45o25', 50m, GSHP Water-to-air (hydroelectricity)

    Paul in Montreal.
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 25th 2012
     
    User,Heating On,Date,Latitude,Altitude,Heating Type
    cbatjesmond,Yes,24/09/2012,
    Paul in Montreal,Yes,23/09/2012, 45, 50m, GSHP Water-to-air (hydroelectricity)
    Skyewright,Yes,24/09/2012,57N,100,Electric (Funny Tariff)
    • CommentAuthorjamesingram
    • CommentTimeSep 25th 2012 edited
     
    had fire in the stove on Sunday for fun , wasn't really that cold , just a bit damp , does that count as heating on ?

    remind me how you figure kW for wood ?

    cheers
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 25th 2012
     
    Posted By: jamesingramremind me how you figure kW for wood ?

    16.2 MJ/kg
    so
    16200/3600=4.5 kWh/kg
  21.  
    User,Heating On,Date,Latitude,Altitude,Heating Type
    cbatjesmond,Yes,19/10/2011, 55N, 52m, Mains gas w/condensing combi boiler
    cbatjesmond,Yes,24/09/2012, 55N, 52m, Mains gas w/condensing combi boiler
    Paul in Montreal,Yes,23/09/2012, 45, 50m, GSHP Water-to-air (hydroelectricity)
    Skyewright,Yes,24/09/2012,57N,100,Electric (Funny Tariff)
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 25th 2012
     
    Do you think it is possible to decide what is actually heating, would 20 minutes with a fan heater count?
    I tend to think of it being permanently on, but in Paul's case, his is always on. Storage heaters are so easy this way, turn them on, they stay warm for 24 hours ish.
    • CommentAuthorJTGreen
    • CommentTimeSep 25th 2012
     
    Wood = 4.5 kWh/kg?

    Calculating wood in kg doesn't make any sense from a householder's point of view. You don't buy wood by weight, and you don't burn it by weight. "Heavy" (i.e. denser) logs are wetter and give off less heat to the space/boiler and so you'll use more loads of wood (greater volume and weight!) to achieve the same heat. Hence wood is sold/collected/stored by volume and with reference to % moisture. Any way of reflecting this?
    • CommentAuthorbillt
    • CommentTimeSep 25th 2012
     
    Posted By: JTGreenWood = 4.5 kWh/kg?
    "Heavy" (i.e. denser) logs are wetter and give off less heat to the space/boiler and so you'll use more loads of wood (greater volume and weight!) to achieve the same heat. Hence wood is sold/collected/stored by volume and with reference to % moisture. Any way of reflecting this?


    Not exactly. High density, dry wood gives off more heat that low density dry wood. Wood should be sold by volume because there is no knowing the state of seasoning of the wood, nor the dry density, which varies from species to species and tree to tree of the same species.

    There is no easy way to know the calorific value of run of the mill logs for domestic burning as there are toomany unknowns. If you season it yourself to a known M.C., then the weight will give you the calorific value, along the lines that ST gave.
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 25th 2012 edited
     
    We have covered the 'price of buying wood' somewhere.
    I do find it strange that people are willing to pay for an unknown. Is something is of irregular shape then the best way may to be to buy it by weight, the fact that we don't goes to show that we care very little about what we put on and how much we get out.

    Found it:
    http://www.greenbuildingforum.co.uk/forum114/comments.php?DiscussionID=7951&page=1
  26.  
    User,Heating On,Date,Latitude,Altitude,Heating Type
    cbatjesmond,Yes,19/10/2011, 55N, 52m, Mains gas w/condensing combi boiler
    cbatjesmond,Yes,24/09/2012, 55N, 52m, Mains gas w/condensing combi boiler
    Paul in Montreal,Yes,23/09/2012, 45, 50m, GSHP Water-to-air (hydroelectricity)
    Skyewright,Yes,24/09/2012,57N,100,Electric (Funny Tariff)
    jamesingram,no,24/09/2012,51.52N,43m,MG boiler G rated/woodstove 5kW

    not counting my sunday fire as it was for fun, not heat.
    So 4.5kwh/kg for wood , great , whats a kg look like then :smile:
    • CommentAuthorGaryB
    • CommentTimeSep 25th 2012
     
    User,Heating On,Date,Latitude,Altitude,Heating Type

    GaryB,Yes,25/9/12,55.2,30.6,oil(at present)

    The strong NNE winds have today lifted the cap off our chimney and the resulting draught has forced me to turn the heating on - plus our living room is on the NE corner of the house.

    I guess I'm up on the roof at the weekend...
    • CommentAuthorSeret
    • CommentTimeSep 26th 2012
     
    Posted By: SteamyTeaIs something is of irregular shape then the best way may to be to buy it by weight, the fact that we don't goes to show that we care very little about what we put on and how much we get out.


    I'd be very cagey about buying firewood by weight. Too much incentive for shysters to sell wood that hasn't dried out.
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 26th 2012
     
    Isn't that the same problem when it is bought 'buy the truck load' though, yard, cube or what ever.
    In fact I would have thought that moisture content was the biggest problem with buying firewood. Would we buy gas if it had a varying amount of nitrogen in it, or electricity if the voltage varied by more than it does, gasoline if it was mixed with unknown amounts of methanol.
    I am surprised that this issue has not yet been sorted out as part of the RHI.
    May have to go and 'have my say'
  30.  
    Surely when you buy wood, though, you let it season and burn the wood you bought last year? Of course, the 1st year is harder, but still doable. Log weight varies enormously ... though if you let it season too long it gets too light and also doesn't burn well. This year we'll be burning wood that resulted from trees that came down during a microburst we had in 2009 that has been in dry storage for the past 2 years.

    Paul in Montreal (but speaking of the country house)

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