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This is pre-war thinking though. Germany needs to think of itself as being at war and mobilise as such. Less efficient portable heaters can be used as stopgap

This is pre-war thinking though. Germany needs to think of itself as being at war and mobilise as such. Less efficient portable heaters can be used as stopgap measures, qualified heat pump technicians can be brought in from other countries, people with transferable skills can works as installation assistants, local production of electric heating systems can be increased (convert other factories if needed). It's Spring in Germany right now. They've got about 6 months until next winter rolls around and should use that time wisely.

Xylakant 5y ago
One could also ask for the US to replace their car centric mobility with bikes and trains to save oil. It’s spring right now, they’ve got 6 month until winter rolls around, time to be used wisely. Our apartment complex uses a small central gas power plant to produce electricity and use the waste heat for heating/water, supplying about 20 buildings with roughly 500 - 1000 units. Replacing that system is not something that’s planned and executed within a handful of months. I’m not convinced that air heatpumps of the required size even exist - drilling for a ground heat pump in a city will require even more planning. How well would it work if all of those unit just pulled another extra 5kw continuously from the grid for heating, not to speak of warm water? I’m not even convinced that the grid itself could sustain that - it’s never been planned for that kind of usage.