Heatpump with PCM buffertank.
(And how I made my own heating pump system)
![](https://hemtron.nl/web/wp-content/uploads/2023/12/WP-HeatPump-PCMbuf-e1702335916592.png)
![](https://hemtron.nl/web/wp-content/uploads/2023/12/PCM-melting-graph.png)
Shifting the (hot and cold) water water sleeves into the PVC insulation tube.
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-putting-isolated-sleeves-through-the-big-PVC-tube1-1024x768.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-putting-isolated-sleeves-through-the-big-PVC-tube2-1024x769.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-putting-isolated-sleeves-through-the-big-PVC-tube4-769x1024.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-putting-isolated-sleeves-through-the-big-PVC-tube3-768x1024.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-stuffing-125mm-tube-with-sheep-wool1-769x1024.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-putting-isolated-sleeves-through-the-big-PVC-tube5-1024x768.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-putting-isolated-sleeves-through-the-big-PVC-tube6-1024x769.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/125mm-tubes4isolatedHotWaterSleeves-1024x768.jpeg)
Making the Isolation box
In the front part of the attic, the buffertank is planned. With 12cm PIR panels, a insulation box was created. The round tank will be placed into it.
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-Making-SideIsolation2-768x1024.jpeg)
![](https://hemtron.nl/web/wp-content/uploads/2024/06/BufferTank-testing-if-it-fits-in-the-isolated-box-768x1024.jpeg)