They may be saving energy, but 17.2°C average temperature indoors is freezing.
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We changed our roof and cut CO2 emissions
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Re: We changed our roof and cut CO2 emissions
#22Earlier quoted context omitted.
Actually my experience is the opposite. In colder climates such as Russia, Finland I have seen room temperatures to be quite mild, above 20C for sure. However, in Italy in winter it is quite cold inside. Needless to say that thermal insulation is awful in IT.
Could it be that the outdoors being so cold increases radiation losses so you need a higher air temperature to compensate? Personally I find if it's especially cold outside, I need to put the thermostat up to compensate.
Ofcourse, it chills faster if you don't apply heating when its cold outside.
However that doesn't dictate inside temperature. Well, maybe if you heat with firewood - you will get high/low temperature rises/drops. But people just like 20+ inside. 22-23C for me is comfort. Currently 24C at office - higher is out of comfort, but happens.
Someone like lower temperatures. Someone wants to save some money and keeps temperature lower than comfort.
And yeah, warmer climate results in colder inside temperature, because houses are not very well insulated and may not have advanced heating systems. But that's just experience from few data points I know of (and some HN comments confirms that).
Re: We changed our roof and cut CO2 emissions
#23Re: We changed our roof and cut CO2 emissions
#24They may be saving energy, but 17.2°C average temperature indoors is freezing.
Average UK indoor temperature is about 17.5c-18c apparently so hardly freezing. A bit chillier than I like in my office. Personally in winter I heat my house to 14c as a minimum, 20c in the living room and office. Reason being I only need warmth if I'm sat down and not moving, so any higher and I start to get too hot.
For the last 20 years "helpful" people have been saying "reduce your thermostat by 1 degree to save on your energy bills"
My temperature is now approaching absolute zero.
Re: We changed our roof and cut CO2 emissions
#25They may be saving energy, but 17.2°C average temperature indoors is freezing.
I work in temps as low as 5 C and as high as 34 C in this old Dutch house attic. It's not at all pleasant, but there's no upgrading this rented place. It's not worth it for the owner as they will never recover their costs by increased rent. So I wear 3-4 layers, including fingerless gloves and a hat. It looks ridiculous, but nobody sees me. And in summer, well... I don't wear much or anything. I at least put on a shi…
I feel you.
Back in 2012 to 2015 I worked most of the time I think in the radio lab at the company I worked for at the time. Temperature was often above 30 degrees in the summer. I didn't think much of it back then, went into office, started working and forgot everything but after a while I realized I was drinking 1.5l water during the work day without needing to visit the restroom and I would be exhausted when I came home.
It was noisy and warm but almost no interruptions and still very nice compared to insulating an attic in in the summer (I've done that too so I know.)
(This winter I tried working from the garage in December but at below 0C it gets impractical even with really warm clothing.)
Re: We changed our roof and cut CO2 emissions
#26Re: We changed our roof and cut CO2 emissions
#27Earlier quoted context omitted.
No it’s not. That’s a very normal temperature for our bedroom in the winter time. It probably depends where you’re from, in colder climates people are used to it.
Actually my experience is the opposite. In colder climates such as Russia, Finland I have seen room temperatures to be quite mild, above 20C for sure. However, in Italy in winter it is quite cold inside. Needless to say that thermal insulation is awful in IT.
I’ve experienced more chilling temperatures in a southern brasilian house during winter than my current apartment in poland. I didn’t even had to turn on heating this winter while in São Paulo I often had to use multiple blankets to sleep.
I think that its all about the windows. In warm climate regions they are made to allow air circulation.
Re: We changed our roof and cut CO2 emissions
#28One thing to point out is that yes, saving CO2 is grand, but this doesn't sell just how much more _comfortable_ decent insulation makes things.
I live in a '30s UK semi detached. It had an air brick , a blocked up fire place and blown double glazing in each room. (barring two that were replaced)
We had to re-render the place, as it was starting to fall off at the front, and the back was scarred from unfinished renovations.
We replaced the double glazing with triple (it was cheaper than double glazing at the time, so a no brainer. has a u-value of about 1.0)
We also put 90mm of external wall insulation round the outside as part of the re-render. This cost an extra £4k compared to just a normal re-render.
before the insulation, in summer the front room would reach 37 degrees C with the blinds down, and in winter with a 5kw wood burner and central heating on full we'd reach about 18 degrees c when outside was either windy or -3c
Now in summer the hottest we've had it is about 29, with the blinds open. In winter we reach 20 within 30 minutes of the heating coming on. ( no need for the wood burner)
Re: We changed our roof and cut CO2 emissions
#291.5 tons in 6 months. this period is important. otherwise number doesn't mean much to me.
The annual carbon budget of each person is about 3 tons per person. Thats the amount planet's biosphere can process divided by number of peoplle.
> annual carbon budget of each person is about 3 tons per person
To put that stat in perspective, the average carbon emmisions per person [0]:
Qatar is almost 40 tonnes pp
United States, Canada, Australia is about 15 tonnes pp
Switzerland, France, Italy, under 5 tonnes pp
South Sudan is about 0.13 tonnes.
It really puts in perspective how much wasteful carbon reduction and lifestyle changes are needed for us to have any reasonable expectation at curbing this.
Edit: added source
[0] https://ourworldindata.org/grapher/co-emissions-per-capita
Re: We changed our roof and cut CO2 emissions
#30Earlier quoted context omitted.
Actually my experience is the opposite. In colder climates such as Russia, Finland I have seen room temperatures to be quite mild, above 20C for sure. However, in Italy in winter it is quite cold inside. Needless to say that thermal insulation is awful in IT.
Agreed, not sure what jb1991 refers to as colder climates. Countries with colder climates normally have decent indoor temperatures during winter. In Norway for example, you would be considered crazy to have anything less than 21-22C indoors.
Where's your source? I bet there's people who keep it at 22 others at 25 and yet others at 16 in Norway.