What are the Best Solar Panels for Pools?

It may seem like a contradiction to heat a swimming pool but even in climates where a pool is considered a necessary luxury, time in the water can leave you feeling a chill. Heating your pool is therefore a smart step and turning to solar power to do that job is even smarter because of the costs involved. But don’t worry – choosing the right solar panel for your pool is not a complicated task.

Solar panels for pools are not really any different from the solar panels you use to heat the water in the tank in your attic. However, it is important to get it right so as to get the best return on the money you spend to have it installed.

There are two types of solar panels designs available on the market: flat-plate and evacuated tube. In flat-plate panels, pool water is pumped through the panels (also known as collectors) where it is heated by the sun’s rays and then back into the pool. With evacuated tube panels, clean water is heated then pumped through a heat exchanger, through which it heats the pool water. The advantage of this system is that there is less corrosion, since the chlorinised pool water is corrosive.

Both types of panels come in glazed and unglazed forms; the only difference between them being the fact that glazed panels are encased. Generally, while glazed panels are used for domestic heating and electricity, unglazed panels are recognised as the most efficient option for heating a pool as the elimination of the case and glass reduces energy losses which can occur through reflection.

However, to ensure the highest efficiency possible make sure that your panel has a high absorption rate (of 0.95 or better) from the flat back paint used. The tube spacing is also important with a spacing of no more than 4 inches between tubes ideal. Another factor to consider is the size of the panelling, with space equivalent to around 50% of the pool surface area generally enough.

However, the key to an efficient solar panel is always its position; namely, is it positioned in the best place to harvest the maximum amount of sunlight – face south in the northern hemisphere, and north in the southern hemisphere. That simple factor can make a huge difference. You can have the panels mounted in the garden or around the pool, or on a roof.

Keep in mind that solar panels can extend the ‘pool season’ by a month or two, though it can be more if used in partnership with a conventional system. Also, water must always be drained (usually by gravity) especially in climates prone to freezing in the winter months.

Solar Panels For Pools

SolarAttic Solar Pool Heater Vs. Solar Panel Solar Pool Heat

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