The Reengineer

The Reengineer

Heat pump headaches: The Reengineer Monitor #65

Singapore water schemes, grid-balancing devices - and more!

Chris Baraniuk's avatar
Chris Baraniuk
Mar 20, 2026
∙ Paid
Photo by Nataliya Vaitkevich.

Heating and cooling

Politico journalist Karl Mathiesen has described his hair-pulling experience of acquiring a heat pump for his London home, which he says was a “daunting and confusing” process. Mathiesen discusses his bewilderment over how the system would perform once installed and whether he should include a battery or not. He also had questions over planning permission and costs that were not initially easy to answer. The article is a fantastic overview of the confusion that many consumers feel right now on this topic. They might understand heat pump technology, and its potential benefits, but practical hurdles around how to install it in their specific home, or who they should pay to do the work, may still remain.

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