When HN users recommended it
2 HN users recommended this in 2023, in 2 comments.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
2 HN users recommended this in 2023, in 2 comments.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
> It's just that the energy recovery equipment is expensive, bulky and needs to be maintained.
ERVs can be had for US$ 500:
* https://www.amazon.com/Panasonic-FV-04VE1-WhisperComfort-Ven...
* https://www.youtube.com/watch?v=-3CRGhu8C5I
You can get some pretty small units as well:
* https://www.youtube.com/watch?v=V-wCCJHIZAo&t=10m35s
* https://www.youtube.com/watch?v=LGB83pSLMiI
For winter WFH in a rental, there aren't many commercial options for energy efficient ventilation to keep CO2 at reasonable levels for cognition. DIY HRV with coroplast can be customized for small spaces.
For those with more room, an exhaust duct can transfer heat to cold intake air, https://www.loudawson.com/17884/how-to-build-air-cross-flow-.... Commercial units start around $1K+, https://www.sylvane.com/search/results/?keywords=hrv.
One can also combine a DIY enclosure with commercial parts, e.g. crossflow, https://www.aliexpress.us/item/3256801499168685.html or ductless, https://www.aliexpress.us/item/3256805773352155.html.
ERV pros/cons and review of $500 Panasonic FV-04VE1 ventilation fan: https://doctorpapadopoulos.com/in-depth-advantages-and-disad... & https://www.amazon.com/Panasonic-FV-04VE1-WhisperComfortTM-V....