4 ms·
there is a similar idea for high insulation homes where you heat exchange the outgoing air (recirculated for freshness) with the incoming air to avoid having to
by matthavener 18y ago
there is a similar idea for high insulation homes where you heat exchange the outgoing air (recirculated for freshness) with the incoming air to avoid having to cool/heat the incoming air as much
imo, heat exchangers are a good way to reduce consumption because they're usually passive and don't require much maintenance
- pingswept 18y agoThat's a great idea. Modern gas boilers and tankless water heaters often run their exhaust and intake in concentric pipes, so that the outgoing hot air warms the incoming cold air.