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A comment on What a year of solar and batteries saved us in 2025. Parent comment

Re:What a year of solar and batteries saved us in 2025 by KaiserPro on Tuesday January 13, 2026 @04:14PM (#46608129)
external wall insulation and triples glazing first! We did it and made winter ~10 degress warmer, and summer 15 degrees cooler. its cheaper than the solar/battery install.
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