2 ms·
All heaters are 100% efficient in a closed system. However, your house is not a closed system. It’s a spatial region of an open system. In this context it makes
by zarzavat 5y ago
All heaters are 100% efficient in a closed system. However, your house is not a closed system. It’s a spatial region of an open system. In this context it makes sense to talk about efficiency as being lower or greater than 100%.
- _carbyau_ 5y agoI wish this were made evident to the hoteliers with bar fridges kept in sealed cupboards...