Do you air out your house in the winter?

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kore_nametooshort@reddit

My wife likes to do it and I despise it. I'm very happy with my dehumidifiers on and not letting all the heat out. I get that it's a personal preference. My personal preference is to stew in my hoarded heat like a lizard.

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HorrorAccomplished78@reddit

Yes. Cold air and being naked and frozen half to death is incredibly invigorating and can kick start your immune system. You have to be completely naked though. The cold air covers your whole body for the best effect. Surprisingly you feel less cold than if you just take your top layer off. Weird I know. A few minutes is long enough and it’s so much more tolerable than a cold shower.

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Accurate_Dot4385@reddit

Can’t tell if this is sarcasm or not

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HorrorAccomplished78@reddit

Read about it. Autophagy. Been in the TV many times.

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Accurate_Dot4385@reddit

Ah ok that’s interesting thanks. Cold air seems more doable than cold water for me. Been looking into keto too which seems to lead to the same thing

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HorrorAccomplished78@reddit

Keto combined with intermittent fasting is a good health habit but really hard and needs a lot of discipline. Cold shock is easier but it all helps. I think lifestyle is the ultimate decider on health in a person without genetic problems. Google Doctor Berg on Facebook or YouTube. He has lots of tips.

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Accurate_Dot4385@reddit

Thank you. Yeah it does seem a lot more manageable. I wonder if keto keeps that state longer than cold shock. Perhaps it would be possible to test with the ketone strips. Then again it might not be good to be in autophagy all the time. Maybe that’s why we sleep best when it’s cooler because that time is the time we should be in that state.

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Nine_Eye_Ron@reddit

Yes, got to let the night farts out somehow

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George9816@reddit

20 minutes a day 10 mins in the morning 10 mins in the evening

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velos85@reddit

Every morning for 30 mins while I am out walking the dog.

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NovelShelter7489@reddit

I do, its weird not to, isn't it?

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LaSalsiccione@reddit

It’s certainly not good for you or your house to never circulate the air

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JoeyJoeC@reddit

Most houses aren't air tight anyway. Vents open above all windows circulates air all day long.

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confuzzledfather@reddit

vents in windows aren't that common in the UK are they? I cant think of a house I've lived in that had them except for a small spinning one in a bathroom.

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JoeyJoeC@reddit

I know since 2022 homes have to have them, mine was built in 2000 and has them. My parents house is older and has them, but they were replaced at some point last 1990s or early 2000s. I don't remember much about the other houses I've lived in.

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confuzzledfather@reddit

never lived in a house that wasn't at least 60 or 70 years old, so I guess that tracks.

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dreamsonashelf@reddit

I can't imagine relying on that only for ventilation.

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JoeyJoeC@reddit

It's actually more than enough. 0.3l per second per vent, 16 vents = 17.28m³ per hour. That's about 2 air changes per day for a normal 3 bedroom house. Not including any other vents, such as bathroom / kitchen ventilation etc.

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faintsmellofcheese@reddit

I felt like it was a constant draught of cold air 24 hours a day which counteracted the heating. Now I’ve sealed up the vents and just do the German open windows thing once a day and the rooms are warm the rest of the time.

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Prosecco1234@reddit

They get aired out in summer

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Loquis@reddit

We do, but very rarely see neighbours doing it

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JoeyJoeC@reddit

Trickle vents are more than enough now. 2 per room is good enough to replace the air twice a day.

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theevildjinn@reddit

I don't know why you're getting downvoted. We used to have really shitty old window frames. Metal ones, I think. They were always caked in mould, I'd have to clean them with bleach every few weeks. Then we got a house extension, and all the new windows had to have trickle vents due to building regs. So I asked the builder for a quote to replace all the existing frames, and it was a couple of grand. Seemed like a no-brainer, so now every window frame in the house is uPVC with a trickle vent. Since we had that done, the mould has never returned. No condensation either. My wife is from South America, and if I open a window at this time of year you'd think we were living in Antarctica or something, like 6 degrees Celsius outside is going to kill us all. The house isn't damp, or smelly. So it's either magic, or trickle vents.

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NovelShelter7489@reddit

I've noticed that, but as someone else said, they use a dehumidifier. Still get mould growing, probably my crappy 1950's house.

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whoatemycatfish@reddit

In your house’s defence it’s likely the plastic paints and non-permeable substances (eg concrete) that have been added over the years.

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Careful-Training-761@reddit

In honesty it's probably because there's not enough new fresh air circulating in and heating on high enough. It can be difficult to do though particularly in poorly insulated houses.

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whoatemycatfish@reddit

Even with low heat a house that can breathe will do just that. If it can’t, all the heat in the world won’t help it

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TheThiefMaster@reddit

I use _two_ "20L" grade dehumidifiers! One upstairs around the bedrooms/bathrooms and one downstairs drying washing.

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Far_Shine6039@reddit (OP)

I never see the neighbours open their windows!

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Anodynisha@reddit

I don't think many people do it. I've only just started. In 40 years my family never did it.

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Kvark33@reddit

I open it for an hour in the morning while I am at the gym. If my girlfriend had her way they'd be open during the entire day, however, we are not made of money and I don't like seeing my breath or scraping ice off the windows when

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Fun-Lingonberry4676@reddit

Yes most mornings when i wake up, i open all the doors and windows for 10-20 mins to exchange the stale air for fresh air. It helps with condensation and humidity etc

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Cultural_Tank_6947@reddit

Yes, I'll at the very least open the bathroom windows and doors.

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evthrowawayverysad@reddit

Nope, and it's the dumbest thing to do. Your house is a thermal battery that you pay thousands to heat every year. By 'airing out' your house, you're essentially just wasting gas and money. Also, you're accomplishing not one iota of effective dehumidifying or oxygenation by doing this, but that shouldn't really be surprising, given that we live in one of the most humid countries on earth. Want to dehumidify your house? [Get a dehumidifier after watching this video.](https://youtu.be/j_QfX0SYCE8?si=XwlmQb1iQKTJ8Yaw).

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Far_Shine6039@reddit (OP)

I do it to get rid of stale air mostly and freshen the place up!

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evthrowawayverysad@reddit

Unless your house is airtight, this process happens by itself throughout the day. Grab a cheap Co2 monitor if you're concerned, but I think you'll find that 'stale' air is very expensive myth to buy into.

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Famous-Yoghurt9409@reddit

No? There's got to be some kind of selection bias going on here in the comments because it's surely not that common. I'll open a window if there's a smell but the whole place? Definitely not.

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Far_Shine6039@reddit (OP)

Do you not like a good blast of fresh air?

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Famous-Yoghurt9409@reddit

It's nice but I don't want to wait for the place to heat up again. My hope is that the air vents in my windows keep the air at a healthy level.

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JoeyJoeC@reddit

My guess is that people dont want to admit they dont because others are saying you're stupid not to. I dont do it. And I have zero issues with mould.

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dopeyroo@reddit

Currently trying to persuade my partner that fresh air is good! She is always cold and complains that "we're paying to heat the outside". We both work from home, her downstairs and me upstairs. I wait until she's gone down to start work and then I open all the windows upstairs for a bit!

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BG3restart@reddit

I leave my bathroom windows locked open a crack all year regardless of the weather.

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kt1982mt@reddit

Yes. I wait until my kids are at school then I open all the windows and air out the house for an hour or so. It ends up being pretty cold in the house afterwards, but I really think it’s worthwhile to do it. I heat the house for the kids coming home from school, though.

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martix_agent@reddit

What about it do you find worthwhile?

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TinglingSensation42@reddit

If you don't do it humidity just keeps building and building and things end up damp. Moisture condenses on windows and mirrors, and cold spots on walls leading to damp and mould. Even stuff like spices and salt in your kitchen can cake up.

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martix_agent@reddit

Do you have a forced air heated home or radiator?

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Icy_Consideration409@reddit

Vast majority of UK homes are radiator. Forced air is rare.

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martix_agent@reddit

Ah, that explains why I don't have do do that here in the USA.

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bucketofardvarks@reddit

You don't have to that in the USA because your humid climates are also warm (see Florida) so you don't get the same condensation

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kt1982mt@reddit

It stops condensation, mould and just generally freshens up the air circulating around our home. It’s just a habit that I’m in. I’ve got central heating (gas boiler and radiators throughout the house), and a gas fire in the living room. It doesn’t take long to heat the house up.

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bucketofardvarks@reddit

Not often but my house was built with vents in basically every room anyway so it naturally does it (and when it's windy my house whistles a bit)

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RHMoaner@reddit

I do but I have to do it when the wife is out as she moans about the cold.

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Golden37@reddit

I have my windows open all throughout winter anyway.... I also still have my aircon turned on. I like it COLD.

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Accurate_Dot4385@reddit

Reptile

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insertitherenow@reddit

10 mins every day. Create a through draft.

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Fruitpicker15@reddit

I can't bear stuffy rooms with stale air so I air the house every morning. I also can't stand overheated houses . We lived in South Africa when I was little and the windows and doors were open most of the day. Even in winter we'd air the house for a few hours every day. It got hellish cold at night with frost but we never bothered with heating so I'm used to it and I still need a cold bedroom to sleep comfortably.

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JamsHammockFyoom@reddit

Yeah, we try and get them on the latch at least for some of the day - we live somewhere really windy so it forces the air into the house via the gaps. We turn the heating off just to save it screaming away, and then after half an hour shut them again and let the heat from the fabric of the house bring it back up before turning the heating back on again. I live in a really well sealed, well insulated house so it gets very stuffy, very quickly if you don't as the air is already warm as it is.

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Adam-West@reddit

Nah I store all the farts up until spring and then I release them all at once

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Less_Cauliflower_OK@reddit

Do you not feel a bit bloated by spring...? Must be a right ripper when you do let go though.

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Far_Shine6039@reddit (OP)

🤣

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Winter_Commercial400@reddit

Absolutely every single day of the year we open the windows for some period of time. I love fresh air, if I had my way I would sleep with the windows cracked open all night even in the winter. Give me a super warm duvet and fresh air any day 😆

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LittleSalamander77@reddit

Got all my trickle vents fully open all year round - no condensation, no mould, low humidity inside

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smalbluething@reddit

I have single glazed windows and a house that barely warms up even in summer, so no.

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Far_Shine6039@reddit (OP)

I live in a very very old house. It gets freezing. I just think its good for cycling old air!!

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Timmoncaster@reddit

Definitely. The bathroom window is always open. Bedroom window open from when we get up to tea time.

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PutAutomatic2581@reddit

> from when we get up to tea time So about five minutes until the first cup.

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vinnydverde@reddit

Exactly the same for us. I also open the living room window for 5-10 minutes whilst I make a cuppa and straighten downstairs up a bit

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EquivalentBag23@reddit

Yeah, I open all the windows for 10-15 minutes a day. It's important. Coat on if necessary/really cold.

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Try_at-your-own_Risk@reddit

Yes but for shorter periods

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HotDoxJumpingFrog@reddit

Yep. The Germans call it [Luften](https://www.huffpost.com/entry/luften-home-ventilation-health_l_679a5cb7e4b0c5507e4ac7de)

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Mysterious_Bite_3207@reddit

Luftenwaffen

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whereohwhereohwhere@reddit

The article does literally refer to ‘living spaces’ lmao

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pompokopouch@reddit

99 luftballons

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SmurfSmacker@reddit

Brilliant. Just brilliant. 🤣🤣

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didndonoffin@reddit

Stoßlüften*

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palishkoto@reddit

Isn't luften literally just German for 'to air', like what we call it lol?

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Land_Particular@reddit

That just means airing in german

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SilyLavage@reddit

Foreign things are better than English things, even when they're the same as an English thing

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KnopfiAF25@reddit

Lüften

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shartingmaster@reddit

I sleep with the window cracked, it makes the mornings brutal but no mould!

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JoeyJoeC@reddit

My dehumidifier takes care of that. Never above 50% in my house.

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TinglingSensation42@reddit

It's much cheaper and more energy efficient to open the window for 10 minutes and then stick the heating on than running a dehumidifier.

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nathderbyshire@reddit

Ten minutes is a lot less than 8 hours and turning your plaster into ice lol I'd much rather run a dehumidifier

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JoeyJoeC@reddit

How so? Dehumidifier comes on for maybe 1 or 2 hours a day on average, maybe a bit longer when we put the washing out to dry. So 600W / day or 15p a day. How long are you keeping your heating on for? People don't seem to understand that trickle vents are more than enough, why is why they're required by building regulations now. Leave them all open, it will replace the air in your house 1 or 2 times per day.

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shartingmaster@reddit

I’ve a piddly £50 one but I might splurge one of these days

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Primary-Angle4008@reddit

Just cracked? Mine is wide open but I swear by it! I have an electric blanket which I turn on for a bit if I feel really cold but generally a good duvet does the trick

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Justan0therthrow4way@reddit

I swear by this as well.

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ficus77@reddit

Yeah. Generally crack open windows at different ends and on different floors until the condensation has evaporated.

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Outside_Penalty8094@reddit

I would hazard a guess that most don’t in the UK, but we ought to as it’s great for the health of your building in terms of getting all the humidity out. In Germany it’s part of the domestic ritual, like opening your curtains or locking the door, they call it “luften”.

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WestleyMc@reddit

Genuine question.. my bedroom is often at 70% humidity on the display with a ‘sad face’.. but outside the humidity is in the 80’s.. Does opening the windows reduce the room’s humidity in that instance?

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Unhappy_Clue701@reddit

Humidity levels are also temperature dependent. Warm air inside your house can hold a lot more water vapour than the cold outdoor air. So swapping your current hot damp air for cooler outdoor air will, once it has warmed back up, result in lower humidity indoors. Warming up air doesn’t take much heating, BTW. Swapping the air for colder outdoor air won’t take long to feel warm again, because the fabric of the building, furniture etc are all warm already, so the fresh air heats up quite quickly.

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Outside_Penalty8094@reddit

I will add to this very good explanation that lower humidity air feels less cold too. Since installing a PIV in my house, I’ve noticed that a room that was, say, 18c at 70-80% humidity feels the same as 16c at 55% humidity.

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WestleyMc@reddit

Cool, thanks for the reply

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JoeyJoeC@reddit

Warmer air can hold more water. 80% humidity at 10c is around 47% humidity at 20c. If you opened your windows and brought in outside air, you'd need to warm it back up in order to reduce the humidity.

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Far_Shine6039@reddit (OP)

Interesting I didn't know there was a name ha.

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Mclarenrob2@reddit

Got a heat pump so too scared to open windows or it'll cost a fortune to heat back up.

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_franciis@reddit

Yes, have people not heard of damp?

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_98_98_@reddit

Yes I open the window everyday, even if for a short while

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Ok-Sandwich-364@reddit

My old house yes. It was around 12 years old so well insulated and needed a good airing out to stop any condensation as the mechanical ventilation wasn’t great. My current house no. It’s leaky and cold af so I don’t need to.

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Anodynisha@reddit

Just had two of my windows open all day. I think it's especially important if you're not leaving the house all day so you connect with the elements.

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Miserable-Ad7835@reddit

Yours stupid if you don't.

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JoeyJoeC@reddit

Whys that? I dont open the doors and windows like other people do here. I just keep the vents open 24/7, run a dehumidifier and air purifiers.

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Miserable-Ad7835@reddit

You'd rather run a dehumidifier and air purifier that open the windows for 10 minutes in the morning? As I was saying...

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JoeyJoeC@reddit

Trickle vents are enough to replace the air in your home twice per day. Yeah, dehumidifier helps to dry clothes, air purifiers help to remove dust and particles from the air.

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liseusester@reddit

I only close the bedroom window if the wind is blowing a gale (the blind bangs against the frame and the noise is annoying), and the back door is usually a bit open. I also make sure the bathroom window is open for about half an hour after I've had a shower or bath (well, actually I usually have it open whilst I have a bath because I love being submerged in very hot water with a cold breeze blowing). I do, it is probably important to note, run hot and like to be cold.

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VeryTrueThing@reddit

I had the windows open most of the day. Unfortunately we have a cat on his last legs and the funk is real.

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ODFoxtrotOscar@reddit

Yes Perhaps not everyday (certainly not if it’s raining hard) But two windows - that between them get a bit of a cross breeze - for a while every morning. Plus cracking kitchen/bathroom windows for a few mins after cooking l/showering or bathing

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GooseyDuckDuck@reddit

Yes, this stops any dampness and it smells fresher.

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Li_Li_Willis@reddit

Yes every morning

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Prestigious_Spot9635@reddit

All windows open,? For how long ?

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Li_Li_Willis@reddit

Yeah, and for 10 mins to 30 mins! Sometimes I forget they are open so they are open longer! But if it’s raining I crack them open and I don’t forget to close them!

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Sea_Cue@reddit

Yeah I open the bedrooms and living room window most winter mornings for a few minutes. It would have to be absolutely freezing to skip it.

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Impossible-Curve6277@reddit

Mould issues so needs to be done

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Nim008@reddit

Yes. Air exchange for clean air. Prevent mould.

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Fyonella@reddit

I never close the windows. They all have that position where they’re cracked but still lockable.

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CreativeCoder0@reddit

Yes otherwise your house starts to smell stale. You won’t notice but others will

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dreamsonashelf@reddit

I personally notice it myself. It's weird to me to imagine not regularly opening windows for fresh air, even if it's just a couple of minutes when it's too cold.

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robster9090@reddit

Yes everyday , cold or not houses need to breathe

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CanWeNapPlease@reddit

Only after a bath/shower tbh. However, we'll go in and out of our various doors throughout the day as we take about 5 short walks per day, take things to the bins, go into the garage freezer, and other miscellaneous reasons. Our house is in the rarity though because besides our tiny en-suite and a bit behind one of our curtains due to a shot glass window, it's a very dry house. So much so we actually have to use the humidifier in the worst of winter as it's so dry that my husband's eczema gets worse and he's permanently staticky.

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omgu8mynewt@reddit

No, changing the air is a odd German belief, uk houses aren't airtight (I doubt German ones are either) and modern windows have air vents. I do open the window after a shower or when boiling food to let the steam out. My bedroom windows don't have condensation when I wake up, even when it is cold.

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Far_Shine6039@reddit (OP)

Interesting. I think I just lile the big blast of fresh air. I think houses can smell a bit stale otherwise!

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Subtifuge@reddit

tend to have all the windows open "a crack" so there is literally always some air movement, and as long as you close doors between rooms it does not make it much colder (I am sure it makes a noticeable amount of difference to people who like being excessively warm)

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TSC-99@reddit

Not really. I sometimes open the upstairs windows a tiny bit but not for long.

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Far_Shine6039@reddit (OP)

How come?

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TSC-99@reddit

Because it’s freezing?

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Far_Shine6039@reddit (OP)

Cool

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Busy-Doughnut6180@reddit

I like just having the windows open for most of the day and putting warm clothes on, like those blanket hoodie things. My family hate it though and insist on closing them all with the heating on full blast, in shorts and t shirts. It's so stuffy in this damn flat.

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FlibV1@reddit

Our house is freezing and takes ages to get to a decent temperature. So we use dehumidifiers instead of opening windows and doors for long periods.

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ReallyIntriguing@reddit

Yes, they stay open

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CreativeAdeptness477@reddit

I always have a couple of windows open all year round for fresh air purposes. I prefer a cooler temperature than most folk though.

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Adventurous_Deal2788@reddit

Yes especially in my bedroom. I tend to do it before I leave the house

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ajtyler776@reddit

I just do it once on New Year’s Day when I air out my undercarriage for the year.

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Far_Shine6039@reddit (OP)

🤣

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deanomatronix@reddit

Yep, convinced it does fuck all but still feels weird not to 😂

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pompokopouch@reddit

Yes, even more important to do in winter duw to the damp.

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shain-7@reddit

Of course, no matter the weather even for like 5 mins- need to get that stale air out

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tmr89@reddit

A lot of Brits have the view that opening the windows “let’s all the heat out”

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KeepOnTrippinOn@reddit

It does though.

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tmr89@reddit

Found one!

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KeepOnTrippinOn@reddit

I'm not saying don't open windows of course do that, but to say it doesn't let the heat out is a bit odd.

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Dumbusernamesuggest@reddit

Every day. Windows are open for the time I’m getting ready for the day.

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BillWilberforce@reddit

Yes otherwise the condensation runs down the windows and will lead to mould. And I don't have a dehumidifier, it's on my Christmas list.

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Desperate-Coat-8791@reddit

Always, helps keep damp and mould at bay and fresh air is good for you. First thing in the morning I open the bedroom windows and let the old air out and new air in, why would I want to keep breathing all my sleepy musty air

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Hogmaloo25@reddit

The smell of the fresh air as you open the window after sleeping is the best

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Naidren@reddit

Yes at least 10 minutes

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xylophileuk@reddit

Yup after the family have all had their showers I’ll open up the upstairs windows for a while. Every day

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NobDeRiro@reddit

Yeah very often, at least 10 mins every morning and 10 mins at night

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NoCatch2153@reddit

Absolutely, we have at least half a dozen windows that are left ajar all year round. Luckily we have windows that lock open.

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MsWillmottsPoast@reddit

No, we have air purifiers in our main rooms instead. We’re outside a lot anyway to walk our dog so we get a lot of fresh air that way.

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Boggyprostate@reddit

It’s not the fresh air for you, it’s more for the house. Home purifiers are not going to cut it. Just Google why you should open windows everyday and how it prevents mould spurs.

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JoeyJoeC@reddit

I dont get any mould and I dont open all my doors and windows every day. I run 2 air purifiers, a dehumidifier and have the vents above the windows open. I have no issues with mould.

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MsWillmottsPoast@reddit

I have double-glazed windows, central heating and a log burner. We don’t have issues with condensation but if there were somehow mold spores in my house then they would be caught in the HEPA filters in my air purifiers.

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OzzyinKernow@reddit

Of course, or mould will develop. Min 20 mins a day, pref longer

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Nublar_Repair_Man@reddit

Open the windows 10-15 minutes every morning when I wake up, and occasionally during the day if I feel stuffy.

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thedudeabides-12@reddit

Every morning for 15-30 mins all windows, doors open..kitchen window stays open all night after bedtime...

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MDK1980@reddit

Yes, I *luft* regularly.

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rako1982@reddit

I luft every day to help with mould build up. Frankly I trust the Germans on this.

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urban_shoe_myth@reddit

Yep. Not every door and window every day, but 2 kitchen windows, main bathroom, and bedroom are opened every day regardless of weather when we get up. Others as and when we think it's necessary. 3 cats and a dog can get stinky quickly if there's no air through.

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rapturans@reddit

Certainly try to. Have heard it's not actually that in efficient heat wise as most of your central heating goes to heating up the solid home itself, not the high moisture air. So replacing it with cold but dry air helps.

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Alternative-Bee2962@reddit

Yeah I open all the top windows and let the place have a good airing for about 20 minutes a day and living in a small bungalow doesn't take a long time and I have a dehumidifier going constantly just to take any dampness out of the place.

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DragonEagle88@reddit

I’d open them more if the neighbours weren’t trying to constantly pollute me with their wood burners on still days. But yes, I typically have my bedroom window open at night and then open bathrooms every time we’ve used them and then other rooms every couple of days if it feels damp.

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Mysterious_County154@reddit

I haven't shut my bedroom window in years

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Japhet_Corncrake@reddit

Probably invalidates your home insurance.

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moofacemoo@reddit

I can tolerate cold quite well but your bath and bedroom must be absolutely baltic in jan/feb to the point that any water pipes might be in danger of getting damaged.

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DrMacAndDog@reddit

You have to. Otherwise damp and smelly.

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Ok-Shower-4816@reddit

Yep. Every single window that will open. It’s great 👍🏾

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Herne_KZN@reddit

An hour a day, usually 4x15 min

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shaneo632@reddit

No I live in North Wales 💀

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EnergySurger@reddit

Usually when it's dry outside, short burst with back and front door and windows open, just a few minutes.

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Cool_Development_480@reddit

Yes. Don't want mould

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geo54466@reddit

Yea. It's good for your health

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Boggyprostate@reddit

Yep every morning for 10-30mins. Today I did about 20mins. All windows open, all doors open. It keeps the humidity down. Eg before opening windows on Thursday the humidity was around 68% after window opening, it dropped to 42%

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Equivalent_Read@reddit

Absolutely. Lots don’t though. I’ve found I get way less mould since I started about 3 years ago.

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minxorcist@reddit

Yes. The cat gets the hump, but I leave the bedroom, bathroom, and living room windows open for a good ten minutes in the morning.

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iMac_Hunt@reddit

I have my bedroom window slightly open pretty much all year, with the heating on of course. This isn’t popular with some

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Lunaspoona@reddit

Yes. I have cats so it's a need. Cat smell and heating on constantly would not be a great combo!

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PralineMinimum8111@reddit

Yeah most mornings, wakes us all up

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ceeearan@reddit

Not since I got a dehumidifier

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aleopardstail@reddit

yes, though usually with the heating either off on on a low overnight setting, usually for a while every week

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rubberbandhands@reddit

Yeah, 10 mins a day. Gotta luft

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Dopaminergic_7@reddit

Germans say you have to do it for 5 min every morning and evening

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im-hippiemark@reddit

I did this morning.

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