一起算的。可能你太陽能板多裝一倍就可以持平。當然性價比得考慮。我們這兒陽光好也占很多便宜。冬天取暖考慮用熱泵？

來源: 吸海垂虹於 2025-09-25 10:11:27 [舊帖] [給我悄悄話] 本文已被閱讀：次

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