Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
scire
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
3 ms
·
1.
▲
by
scire
2y ago
Why not measure something like CO2 and use that as a proxy? The logic being that whenever you bring in fresh air, you decrease radon concentration. And a high CO2 level means you need to bring in fresh air anyway, and you incidentally also
2.
▲
by
scire
3y ago
Modern well insulated buildings need active ventilation. Passive just doesn’t cut it anymore. I installed a HRV system in my (well insulated) house, and I love it - air quality indoors is noticeably improved. Only downside is that there’s
3.
▲
by
scire
3y ago
You missed out - they’re giving away the batteries for almost nothing now to get rid of the lease. Mine was manufactured in 2011 (!) and is still at 93% of its original 22 kWh rated capacity after doing 90.000km, which is amazing compared t