How Fast Does A Solar Cover Heat A Pool?

How Fast Does A Solar Cover Heat A Pool?

Solar pool covers, also known as solar blankets, are swimming pool coverings that use the sun’s heat to maintain the warm water in pools. But how effective are solar pool covers? Many pool owners ponder if covering their pools is necessary to protect them or maintain heat.

One of the simplest methods to extend your swimming season is to heat the pool. Heating a pool can be done with the help of a solar polar heater those are available in the market, but they are quite expensive and difficult to maintain.

You can pick a solar cover that is a more affordable and environmentally friendly solution to heat your swimming pool despite the fact that there are several types and sizes of pool heaters.

Solar covers help to naturally heat swimming pools by absorbing solar heat and transmitting it to the water. It also lowers your energy expenditures since it stops heat from escaping during the chill of the night by trapping the heat behind the solar cover.

What is a Solar Cover?

A solar blanket is another name for a solar cover. In-ground, above-ground, and even certain spas can use solar coverings. Traditionally, they come in blue, silver, or transparent. They resemble the bubble wrap you may find in a box in several ways.

They are made to use solar rays, which the sun naturally emits, to assist in heating your pool. They not only aid the heat that is escaping from the surface of your swimming pool, but they also absorb the sun’s rays, keeping the water in the pool at a more pleasant temperature.

With three days of straight sunlight and a solar cover, your pool may be heated by 7 to 10 degrees. They are an excellent means of extending the swimming season.

Solar Pool Cover Features

Solar pool covers have two main functions: 

  • To protect the pool 
  • To assist the water naturally warm-up

Pool covers have long been vital for pool owners because they keep dirt out of the water, reduce evaporation, and improve security while the pool isn’t in use. Solar pool covers have the additional benefit of increasing pool water temperatures by an average of 10 to 15 degrees Fahrenheit by utilizing the sun’s natural heating capabilities.

All of that adds to time and money savings for pool owners using solar pool coverings. Solar pools cover save expenses by holding pool water, removing the need for a pool heater, and reducing chemical loss that also results from evaporation. By simplifying pool upkeep, solar pool covers save time.

Type Of Solar Pool Covers

Type Of Solar Pool Covers

1. Solar Blankets

Small thermal bubbles are used in the construction of solar blankets, also known as solar bubble coverings, which aid in retaining pool moisture and retaining heat.

Depending on the quantity and intensity of sunshine, solar blankets, which come in various thicknesses, may raise the temperature of a swimming pool’s water by up to 15 degrees Fahrenheit.

Get a solar blanket larger than your pool’s surface area to match the contour. You may trim the blanket’s edges to mold it to your pool after unfolding and laying it over the water.

2. Solar Rings

Solar rings are less thick than complete solar blankets, resembling a floating disc with a solar bubble lining. They might not be as effective at filtering particles from the pool if they leave some water exposed. You can mix and match solar rings to cover your pool for a reasonably low price because they come in various forms and sizes.

3. Liquid Solar Covers

Liquid solar pool coverings function more like an imperceptible shield than a conventional cover and can assist in raising the water’s temperature by up to 6 degrees Fahrenheit.

It is also very simple to use; just add the necessary quantity of liquid solar pool cover to the water, and the biodegradable liquid cover will start functioning. Just remember to restock around once a month. However, this is not the best choice if you’re searching for security or protection from debris.

How Long For Solar Cover To Heat Pool?

How Long For Solar Cover To Heat Pool?

A solar pool cover may make your pool warmer, but how much warmer it gets can vary depending on several factors. Instead of using liquid solar covers to heat swimming pools, they retain heat. On the other hand, a solar blanket is the most effective cover for heating a pool.

Depending on the weather, a solar blanket may increase the temperature of an entire pool by up to 10-15 degrees in a single day. Expect a 5-degree rise on average during the first day. The temperature will rise by 7 to 10 degrees after three days of sunlight.

This depends on a number of factors, including the thickness of the cover, the temperature within the pool (whether it’s indoors or outside), how much direct sunshine your pool receives, and if you’re using the solar cover in combination with a solar pool heater.

How Fast Does For A Solar Pool Cover Heat A Pool?

According to the experts, a fully covered pools would warm up to 10-15 degrees in around 6 hours. There is conflicting information available. According to some experts, three days of sunshine will raise the temperature by 7 to 10 degrees, although there are other considerations.

Things include the cover’s thickness, the outside temperature, how much direct sunlight a pool receives, and whether or not you’re using the solar cover in conjunction with a pool heater.

Are Solar Pool Covers Worth It?

The intense summer heat causes swimming pools to lose millions of gallons of water every year. For those who have heated pools, this means using more water, spending more on chemicals, and paying more for energy.

We’ve also mentioned a few disadvantages, notably with regard to how much the most popular solutions initially cost. Though there are significant savings after paying for these items initially, it’s crucial to take their lifetime ROI into account.

When the numbers are added together, it often makes sense to buy a solar cover or solar blanket or start utilizing a liquid solar cover.


Evaporation accounts for 75% of the heat loss from a swimming pool. A sun cover lessens heat loss from evaporation by separating swimming pool water from the air. You may reduce the cost of heating your swimming pool by up to 70% by utilizing a solar cover.

However, it also requests routine maintenance. While some pool owners can use the same cover for up to ten years, others must replace it each swimming season.

If you don’t want to spend a fortune buying a new cover every summer, proper upkeep is essential for the solar covers and your pockets. 

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