3 ms·
At the end of the day, you're still wasting heat whereas you could heat a whole district with it.
by Faaak 2y ago
At the end of the day, you're still wasting heat whereas you could heat a whole district with it.
- cm2187 2y agoBut the point is that it is passive and works all year long, which I suspect wouldn't be the case of a residential heating system.