A Smaller Swimming Pool Pump Can Save You Big

by Pool Builders on 02-22-2009 in Articles

Swimming Pool Season is almost upon us, and its time to go out and open up the pool. So you go out uncover the pool, start up your swimming pool pump and your ready to add your Spring Start-Up Kit, and you find out your pool pump is broken. Great what next? You could just replace your burned out pump with the same model and HP rating in hopes that it was sized right, from when your pool was installed. Or you could make a conscious effort to make sure your pump is sized correctly, allowing you to get maximum filtering benefit and to also save energy. Bigger is not better when choosing a Pool Pump. What you want to do is use the smallest size pump possible for you swimming pool. To choose the correct pump, you can consult a pool pump-sizing chart. In technical terms you want to match the hydraulic characteristics of the pump to the piping and the pool's flow characteristics. If you are heating you pool by solar, you also need to consider extra capacity to pump the water through the collectors.

A Study conducted by the State of Florida shows that 3/4 hp pump is generally sufficient for residential pools. You can decrease the size of you pool pump by decreasing the systems hydraulic resistance by, substituting a large filter (50% higher than the designed flow rate) and decreasing pipe length or increasing diameter. Also replace 90-degree elbow pipes with 45-degree or even flexible piping. Besides, decreasing the pool water's circulation resistance can save you up to 40% in electricity use. Another way to save energy is to decrease the amount you pool pump runs to 6-hours a day. Basically you run the pump while your adding chemicals, and for automatic debris filtering. Longer circulation times wastes energy. Many people think that you have to keep the pump running to keep the growth of algae down, but the best energy conscious effort is to use chemicals in the water and scrub the walls when needed. If you have an instance where the water doesn't appear clean then increase the pump-on time by ½ hour increments.

Studies have shown that most of the people were happy with the water quality reducing their pump time down to even 3 hours a day. On average this would save you 60% on your swimming pool pump electricity. You will have to experiment to find the best operation. If you have a debris problem caused by reducing your pool pump on time, you can install a timer on your pump (if you don't have one already) to run at short periods each day and still keep within your lean pump-on schedule. These short cycle-on times should keep you pool clean all day. Also remember to keep all debris clear of drains and skimmers. Clogged areas make your swimming pool pump work harder thus using more energy. And backwash only when needed because not enough requires your pool pump to work harder, and too frequently wastes water.

In a nutshell, sizing your pool pump to the correct size for your swimming pool, and making energy conscious efforts to reduce pool pump on time can you with lower energy costs and reduce your carbon footprint, thus helping and doing your part in reducing your carbon footprint.

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