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c22
on Feb 19, 2023
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200-year old heat pump technology is back
You could replace the gas at the source with a renewble biogas [0] and leave all the existing appliances in place.
[0]:
https://afdc.energy.gov/fuels/natural_gas_renewable.html
hommelix
on Feb 19, 2023
[–]
I doubt biomethane will scale up to replace natural gas. Currently it represents 0.1% of the natural gas consumption according to this study:
https://www.iea.org/reports/outlook-for-biogas-and-biomethan...
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[0]: https://afdc.energy.gov/fuels/natural_gas_renewable.html