Asklemmy

43893 readers

944 users here now

A loosely moderated place to ask open-ended questions

Search asklemmy 🔍

If your post meets the following criteria, it's welcome here!

Open-ended question
Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
Not ad nauseam inducing: please make sure it is a question that would be new to most members
An actual topic of discussion

Looking for support?

Looking for a community?

Lemmyverse: community search
sub.rehab: maps old subreddits to fediverse options, marks official as such
!lemmy411@lemmy.ca: a community for finding communities

~Icon~ ~by~ ~@Double_A@discuss.tchncs.de~

founded 5 years ago

MODERATORS

What are good ways to increase air flow in a home with few windows and oriented unfavorably to the local wind direction (cheaply)? (lemmy.ml)

submitted 7 months ago* (last edited 7 months ago) by Gabu@lemmy.ml to c/asklemmy@lemmy.ml

44 comments fedilink hide all child comments

I've been racking my brain lately thinking of what are good methods to increase internal airflow in a house with few windows, all facing the wrong direction to catch wind. What are your ideas?

Edit: Breaking a wall to make more windows isn't an option.

you are viewing a single comment's thread
view the rest of the comments

[–] Squibbles@lemmy.ca 31 points 7 months ago* (last edited 7 months ago) (2 children)

Mathias Wandel on YouTube made some good videos a few years ago about maximizing airflow through a house with fans. One big finding was that rather than having a fan directly in a window or door pointing out it is actually best to have it a few meters away and directed at the opening. That allows the fan's airstream pull in and start moving much more air in the room out the opening. He used strips of paper hanging in doorways around the house and also I think took anemometer readings to get good measures of the airflow.

I think the general theory is to run the fans starting in the evening once the air temp outside is lower than inside, then close up the house in the morning to trap the cool overnight air?

https://youtu.be/1L2ef1CP-yw?si=aLTlAMKv_3p3ri2q I think he may have made multiple videos on the topic

[–] PeepinGoodArgs@reddthat.com 3 points 7 months ago

Yeah that was really fascinating

[–] Doxin@pawb.social 1 points 6 months ago

You'll see this sort of thing in action when firefighters are ventilating a house with fans. They'll move the fans back until the air stream covers the entire opening it's aimed at. Any less and the spots the air stream doesn't hit are gonna have air flowing the wrong way.

A good trick I've found is that fans in long hallways are markedly more effective than pretty much anywhere else.