3 ms·
But it does mean you need a reliable backup heating system, because the very inefficient at -20 is also when you need the most heat.
by notahacker 4y ago
But it does mean you need a reliable backup heating system, because the very inefficient at -20 is also when you need the most heat.
- balfirevic 4y agoNo, that's about the capacity of the heating system at -20, not efficiency. It does mean that the system will be oversized for the days it doesn't get that cold.