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How a Garden Hose Can Help Heat Your Pool

10 minutes ago
3 min read
Backyard pool beside beige house, blue chairs and fence, with a hose on the deck under a bright sky with fluffy clouds

And Does it Really Make a Difference?


Have you ever picked up a garden hose that's been sitting in the sun and noticed how warm the water is when you first turn it on? That simple observation is the inspiration behind an affordable approach to solar pool heating.


While traditional swimming pool heaters rely on electricity, natural gas, or propane, solar pool heating uses energy that's already available: sunshine. And sometimes, the simplest solutions are the most practical.


Why Does Water in a Garden Hose Get Warm?

Coiled black hose drains water into a bright blue swimming pool beside a concrete deck and white fence.

When a garden hose sits in direct sunlight, it absorbs solar energy. That heat transfers to the water inside the hose. The longer the hose sits in the sun, the warmer the water can become. It's a basic example of solar thermal heating, the process of capturing sunlight and converting it into heat. 


Of course, the warm water sitting in a garden hose isn't enough to heat an entire swimming pool. But what if you could continuously circulate pool water through a sun-warmed hose? That's where the idea gets interesting.


Turning a Garden Hose Into a Solar Pool Heater


The concept is straightforward. Pool water travels through a hose exposed to sunlight, absorbs some of the available heat, and returns to the swimming pool. As the process continues throughout the day, the warmed water mixes with the rest of the pool water.


The amount of heat transferred depends on several factors, including:


  • The amount of direct sunlight available

  • The length and diameter of the hose

  • The temperature of the surrounding air

  • The rate at which water moves through the hose

  • The size of the swimming pool


A garden hose alone isn't an especially efficient way to circulate pool water. You need a way to move water through it continuously. That's the problem the Beluga Gen2 was designed to solve.



Black hose coiled on a sunny deck, with the Beluga Gen2 in the pool and water flowing into the bright blue water.

Meet the Beluga Gen2 Solar Pool Heater


The Beluga Gen2 uses the existing flow from your pool's return jet to divert a small amount of water through a standard garden hose. As the water travels through the sun-exposed hose, it absorbs solar heat before returning to the pool.


There's no additional electric pump, gas connection, or complicated installation required. Simply connect the Beluga Gen2 to a compatible pool return jet, attach your garden hose, and position the hose where it will receive plenty of sunshine. Your existing pool circulation system does the work.


How to Get the Most Heat From Your Garden Hose


Not all garden hose setups capture the same amount of solar energy. Where and how you position your hose can make a difference in how effectively it warms the water passing through it.


For the best results, consider these simple tips:


  • Choose a sunny location: Position your hose where it will receive direct sunlight for as much of the day as possible.

  • Spread out the hose: Arrange it in loose loops or coils, avoiding overlapping sections that could shade one another.

  • Consider the surface underneath: A sunny patio, pool deck, or other exposed surface may provide a good location for your hose.

  • Avoid kinks: Make sure water can flow freely through the entire length of the hose.

  • Use your pool's regular circulation cycle:The Beluga Gen2 operates using your existing pool pump, so take advantage of sunny hours when the system is running.


The goal is simple: expose as much of the hose as practical to sunlight so the water circulating through it has an opportunity to absorb heat before returning to your pool.


A Simple Way to Put Sunshine to Work

Blue plastic circular Belgua Gen2 component with three curved openings on a plain background.

The Beluga Gen2 offers pool owners an inexpensive way to supplement their existing pool heating strategy. Because it uses your pool's existing circulation system, there's no additional electricity required to operate the device. And because the system uses a standard garden hose, you don't need expensive solar panels or specialized heating equipment.


It's a simple concept inspired by something almost everyone has experienced: warm water coming out of a garden hose on a sunny day.


Ready to put the sun to work heating your swimming pool?


Visit our FAQs to learn more about the Beluga Gen2 solar pool heater and discover how an everyday garden hose can help make your pool more comfortable.

 
 
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