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Cold-weather range hits aren’t as bad for EVs with heat pumps
(arstechnica.com)
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this post was submitted on 07 Jan 2025
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Vapor injection is the new technology. It's why older heat pumps were useless below 32f.
Vapor injection becomes an excuse to downsize the compressor and lowers the cost, it seems. You could easily go lower than 32 if you oversized the pump before EVI, but those were only in specific heatpumps.