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by amluto
4 hours ago
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> If you cycle between 45 C and 55 C water temperature (as mentioned by the press release), you are only getting a 10 C delta. You are calculating the wrong delta T. To heat a space, you need your working fluid to be warmer that the space you’re heating by an appropriate amount. 55°C is certainly on the cool side to heat a building, but it’s entirely workable with a high-area, highish-thermal-conductivity system. Here’s an actual chart: https://www.warmboard.com/wp-content/uploads/2022/04/WaterTe... You don’t actually want an absurdly warm floor. Even for buildings that need warmer fluid, water at 45-55°C is a fantastic source for a heat pump. |
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