3 ms·
So water heaters are inefficient? I’m confused, they save time.
by sjg007 6y ago
So water heaters are inefficient? I’m confused, they save time.
- orra 6y agoI mean the thermal (and hence, electrical) inefficiency of keeping hot water warm all the time. Similarly, even with good insulation, a combi boiler is more efficient than having a hot water tank.