Now that the temperature outside has dropped, the windows start to accumulate water vapor. I am assuming that it might also lead to that black stuff forming. Is there a more efficient way of dealing with the condensate than wiping it dry every day?
this post was submitted on 01 Dec 2023
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The black stuff is mold and it's both, a health hazard and it eats away the gasket.
It's best practise to keep temperatures at least at about 16° C at a relative humidity of at most ca. 60%. So set your heater in the room accordingly. Possibly you need to go a few degree higher. A thermohygrometer can help to keep an eye on the temperature and humidity. If the humidity rises above 60%, it's a good time to open the windows to get rid of excess humidty in the air. (~~That does work of course if it's rainy outside, i.e. even more humid.~~ See correction in comments by @Mrs_deWinter.) For air quality resons, ventilating rooms a couple of times per day is a good idea anyway.
You can find more resources on that topic if you search for mold prevention in residental buildings.
Edit: Striked an incorrect statement, referred to correction.
Which should be 2 on thermostats
That is, if the heating system is corrctly sized for the space your heating and adjusted to current weather.