Physical pool blankets do reduce evaporation from a pool, reducing the energy used to keep the pool heated. They also have the added advantage of reducing the leaves which end up in the pool.
However, the installation of the pool blankets do not typically give a fast payback time compared with other energy saving projects.
There is a new technology which is a “liquid” pool blanket. This is a biodegradable substance which can be injected into the pool via the pool filter which creates a “film” on the top of the pool, increasing the surface tension.
This reduces evaporation from the pool and heat loss. Stay tuned for the payback time on this innovation.
Strata Energy News
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