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| Keep the heating in a house all day on? |
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| tszaboo:
Depends on the weather more than you think. I have Nest thermostat at home, which has away assist, so it turns down the heating when I'm not at home. I checked the usage for last week, and during the day it was off, whether I was at home or not, because the sunshine, it was only going during the night. But otherwise during the winter it does make a difference, which I can clearly see on the usage. And I can start the heating away from home early, so I arrive into a warm home. So if you wonder, invest into a smart thermostat. I wouldn't actually recommend the Nest, as it measures the temperature wrong (wifi chip heats up the measurement, and I'm not even kidding here), had to RMA one, and it's not possible to extend it to multiroom, because they don't sell the same hardware in europe. So get some other type. It pays for itself, if you forget it on during one 1 week long winter vacation. But I would argue that it will pay for itself just with regular usage within a year or two. |
| themadhippy:
--- Quote --- If it ever gets below 20 degC in a rented apartment, we ask for the authorities to perform official measurements and file complaints, or seek criminal charges against the owner; it's considered a health safety issue. At very least, your kids would be taken into custody if somebody heard you live at +15 degC --- End quote --- Talk about nanny state,if that was the case when i was a kid half the population would be in care,waking up to frost on the inside of the windows was accepted,you just got dressed and downstairs as quick as possible, hoping your mum had got the fire going. Maybe that's why i can sit here comfortable in a t shirt and shorts with the thermometer reading 18.4c |
| Siwastaja:
--- Quote from: Zero999 on October 27, 2021, 01:59:27 pm ---I don't get much mold in my house. Perhaps a little bit around my bedroom window and bathtub, but it's easy to clean off. It's caused by humidity, not cold. I imagine increasing the temperature in my house would make it worse, since warm air holds more moisture, which would condense more on the colder walls and windows. --- End quote --- Increasing temperature means air can hold more moisture, it doesn't mean extra moisture is generated, so increasing temperature by heating (by a heat source which doesn't put water into the air, so a boiling tea kettle does not work) reduces RH, absolute humidity being what it is (as defined by how much moisture you breath out, wash dishes, bath, and so on). Now the surface mold you wipe off is caused by said surfaces being cold, below the dew point (which is an alternative way to describe absolute humidity). Absolute humidity is almost always higher indoors than outdoors which is why you will get condensate on the coldest surfaces if the heating or insulation is lacking. But increasing temperature of all surfaces removes this condensation because dew point is not reached, in other words, 100% RH is never reached. This is also why we almost never ever see surface mold here anymore and if we do, many get totally hysterical seeing it (not understanding surface mold is not a big deal, you can indeed just wipe it off). Instead, the big issue is having leaks in vapor barrier so that hot and humid air goes inside structures where it cools down, hits the dew point, and condensates inside the insulation. If the insulation is otherwise OK, surfaces are nice and warm and always stay dry, but the problem is under the surface. But totally cut the heating and buildings will slowly develop mold due to temperature and humidity variations causing conditions where RH hits 100% on a regular basis. Just a tiny bit of heating is enough to prevent this if there are no sources of added humidity (i.e., absolute humidity). The more there is added humidity such as bathing and breathing, the higher the temperature of surfaces must be to keep them below RH100%. And to be clear about what I said earlier, I would enjoy living in 15degC if I had to, this like frozen windows was a normal living standard in 1950's, and I wouldn't want to control others about this choice but the boomers decided no one is allowed to experience what they did when they were kids. So just describing the attitudes as they are here. Combining our standards of insulation (new buildings are required with equivalent of 250mm of top-class mineral wool in the walls, and 400-500mm(!) in the attic), heatpumps, and the British standard of acceptable room temperatures, we could cut CO2 down much more than we currently can due to people wanting to live at +25degC for reasons I really don't understand. Putting clothes on works for me. |
| emece67:
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| tunk:
Around here much of the heating is done with electricity. And the price varies during the day - I think it's lowest during the night, and highest around breakfast and dinner time. So you can save a bit if you switch off heating during the high price periods. More info here: https://www.nordpoolgroup.com/Market-data1/Dayahead/Area-Prices/NO/Hourly/?view=chart |
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