Having a backyard swimming pool can be a very big investment, especially if you decide to have an in-ground pool installed. And one of the ways to maximize your return on that investment is by doing whatever you can to extend the swimming season in your part of the country.

For those who live desert or southern climes, of course, swimming weather is more or less a given, no matter the time of year. But for those who experience four distinct seasons, investing in a solar pool cover can mean another month of comfortable water temperatures tacked on either end of the swimming season. A solar pool cover costs nothing to operate and you will always have a plentiful, renewable source of energy–the sun–keeping your pool water warm.

101 Swimming Pool Designs and Types (Photos) Backyard pool ...

The traditional method of heating a home swimming pool is to use either a gas-powered or electric heating pump, requiring the pool owner to keep replenishing the gas supply or to pay even more on what is probably a significant warm weather electric bill. A solar pool covers, which can add 10 to 15 degrees to water temperatures, is designed and colored to mesh with the overall appearance of your pool.

How Solar Pool Covers Work

A solar swimming pool cover, or "blanket" made of heavy-weight, UV-resistant polyethylene similar to bubble wrap used as cushioning package, but is much more durable. The surface area of the thousands of bubbles on the cover of a solar swimming pool is large enough to trap and hold large amounts of solar heat and transmit heat to the pool water. By contrast, solar swimming pool cover acts to protect the pool water and prevents heat from escaping.