KNOWLEDGE · COMPARISONS
Caldum alongside the alternatives
In this section we put a thermal buffer next to the other ways of storing energy — the hot water cylinder, the home battery and the heat network — and show when each one wins.
Articles in this category
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Hot water storage versus thermal storage: what’s the difference?
Hot water storage versus thermal storage ultimately comes down to one question: how long does the heat need to be preserved? Water is the standard choice for bridging a day. Want to bridge an entire season? Then you run into a physical limit that no amount of pipe pressure or insulation solves. Why water is…
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Why a home battery doesn’t solve the same problem as a thermal buffer
A home battery shifts electricity within a day. A thermal buffer bridges seasons. Why that distinction decides what fits your situation.