There is a strong correlation between skin cancer with excessive sun exposure and sunburn. To reduce such risks for pool-related activities, it's important to prepare your pool area ahead of time. During the summer, adequate shading must be installed to ensure that pool users are protected from the fierce rays of the sun. Here we will discuss three kinds of shades.

Correspondingly, fall or winter use of the pool is dangerous because cold exposure can bring on opportunistic infections by weakening the immune system. To reduce these safety risks in connection to pool use, in the winter, one should add a heating system to keep the water temperature high enough to be usable. There are approximately two basic types of shades and three types of heaters we will describe below.

In the category of heaters, the most widely used type is gas-based heating. It's by far the most energy efficient, which should satisfy the green-conscious buyer. It's also fast acting so it only needs to be turned on when the pool is anticipated to be used. This makes for very low energy costs. The biggest drawback is that gas-based heaters are a bit expensive with only an expected lifespan of 5 years.

The second type of heater is the electrical heat pump. A heat pump is basically a refrigerator in reverse. The electrical system compresses a refrigerant gas that causes the temperature to rise. This is then passed into the pool. The refrigerant is then moved to the exterior where its expansion causes cooling of the outside air. In this way heat is pumped from the air into the pool.

The third kind of pool heating relies on solar power. These are expensive due to the cost of solar cells that have yet to come down. The advantage of solar cells is that once they are installed, there are virtually no running costs or maintenance needed. Being solar-powered, the heating system doesn't rely on the utility company for continual operation.

The first type of pool shade is the portable outdoor umbrella. It consists of a central pole with the umbrella extending either upward or to the side in the case of side-post umbrellas. The umbrella is held in place by a weighted stand, which is either a simple sand-filled container or an ornate iron design.

The next most common kind of pool shade is a portable structure like the cabana tent. It can be thought of as a miniature canopy that holds only a few people. The fabric is either synthetic or natural, although many people prefer synthetics because it's easier to maintain. In comparison to umbrellas, cabanas may be a bit harder to set up and much bulkier to keep in storage when not in use.

The addition of shades and heaters means that one's pool can be used in summer as well as winter. Shades have the additional benefit of protecting pool guests from skin-related health problems. Heaters make the pool usable in winter, but also more comfortable to use during the fall.

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