Russdl
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Posts
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Everything posted by Russdl
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@SteamyTea I'm going to have to take your word for that ? Turning it up as we speak sir!
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And there was me thinking I was the odd one out! It seems that everyone who's anyone has an enthalpy unit ?
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- triple glazing
- condensation
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I'll give that a go. Interesting. Thanks.
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Nope, none. They're on the gable end, 6+ meters away from the nearest kitchen window, closer to others. Closest being the en-suite at about 2m away from the intake.
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It's down to 19° Thanks for the link.
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It's not as cold this morning, and there is no condensation. 5° outside and if my IR thermometer is to be believed the inner panes of glass are around 16° so in theory well above the point that condensation would form according to @IanR. The humidity is up to 67%! One difference to our set up from most, I suspect, is that we went for an enthalpy MVHR working on the theory that when the kids are finally gone and it's just the two of us the house would get too dry in the winter. I'm guessing that if it isn't just a simple case that the house hasn't dried out yet then it could be that the enthalpy heat exchanger that is causing problem?
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No offence intended ? Wiltshire/Hampshire border for a bit of it.
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@IanR ok, that’s well below ours and may be what’s causing the problem.
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@tonyshouse we have the pleasure of condensation on the outside of the windows at times as we expected but we also, very definitely, have condensation on the inside. Not a huge amount but enough to pee me off. Ventilation through the summer months, and until quite recently, was MVHR and windows/doors open. Now it’s just MVHR.
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@ragg987 I would have thought ours would have dried out by now, but maybe not? It’s been many months since the last ‘wet’ trade was in.
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@Roundtuit & @Makeitstop I’m inclined to agree, the humidity is higher than I expected it to be (based on nothing other than a SWAG) and it is seldom below 60% and normally closer to 70%. I’ve no idea what I should expect it to be and I’d be interested to hear what the humidity is in other Buildhubber’s houses for comparison, especially if they’re down here in the southwest.
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Clearly I have a problem
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@IanR Ah! With you now. Yes, ours are the same. I was on about the thermal breaks that the spacers between the panes provide, poor terminology on my part.
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Sorry, I don't understand that bit?
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Also, there are three different types (standard windows, frameless and sliders) all of which have had condensation on them.
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@IanR they're timber frame, ally clad, Internorm windows. In theory the thermal breaks should be up there with the best.
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@IanR Thanks for those figures, interesting. I'll see if my IR thermometer can give me an answer on the pane temperature. On the windows/sliders with condensation it's all along the bottom where the pane meets the frame.
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@joe90 I've ramped up the MVHR as well, but maybe not for long enough. It wasn't part of my master plan to have condensation on the inside and aside from ramping up the MVHR I'm out of ideas.
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I thought I was going to hear that ? The house is currently around 20° and the humidity is around 63% (a degree/percent or two different in different rooms)
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On the last two mornings where its been pretty cold outside I've found a small amount of condensation on the insides of some of our triple glazed windows, I promised the good lady this would never happen!! The house is built to passive standard, has good airtightness and MVHR. Should I be getting condensation on the insides of the windows, and if not, what is going wrong?
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I’m pleased to report that is not mould, just crud (flies, seeds, dust etc).
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I guess that may have helped but the condensation is on the outside the box. Mainly on the top and down the back of the box. My aim now is to make the problem go away by insulating the inside of the box. @PeterW’s suggestion of a cut up yoga mat sounds like a good idea because I don’t want to restrict the flow and that should be thin enough to achieve that. I wonder if it’ll be too thin to be effective? I guess I could always do two layers.
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I can answer my own question here. My ‘pre-filter’ MDF boxes are in a warm loft and work a treat at pre-filtering however I am getting plenty of condensation on the outside of my ‘supply side’ pre-filter box, the ‘exhaust’ side is fine. I’m thinking the easiest fix will be to insulate the inside of it. any suggestions as to what would be best to use?
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Didn’t realise you were MCS certified Nick, is that a new thing for you?
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@hendriQ I can’t offer too much insight to the Combimate performance, save to say it’s been in a year now and: There are no unusual noises coming from the Quooker (I’ve not opened it up yet to look inside, so it may just be well silenced). There is no limescale on the Quooker and we are in a very hard water area. Drinking water has no discernible taste to it. Finally, I haven’t changed the balls yet because it doesn’t seem like they need changing (based on no limescale anywhere). It only provides drinking water to the Quooker so it’s only a ‘half charge’ anyway. All the rest of our water goes through the water softener before it gets to any outlet.
