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![Have a heat pump. Throughput the day heating works fine. At night randomly blowing cold air and it's 59 degrees when I wake up. Need help any suggestions. Please : r/Nest Have a heat pump. Throughput the day heating works fine. At night randomly blowing cold air and it's 59 degrees when I wake up. Need help any suggestions. Please : r/Nest](https://preview.redd.it/have-a-heat-pump-throughput-the-day-heating-works-fine-at-v0-xayp9o9gc4h81.jpg?width=1080&crop=smart&auto=webp&s=cc69244f78d350320e571c2483c0b7c6bdc12f34)
Have a heat pump. Throughput the day heating works fine. At night randomly blowing cold air and it's 59 degrees when I wake up. Need help any suggestions. Please : r/Nest
![Passive day and night heating for zero energy buildings with solar-based adsorption thermal battery - ScienceDirect Passive day and night heating for zero energy buildings with solar-based adsorption thermal battery - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2666386421002939-fx1.jpg)