How variable speed, energy efficient pool pumps work.
Unlike variable speed energy efficient pool pumps, traditional single speed pool pumps can easily be the first or second biggest consumer of electricity in a home. This is mostly because traditional pumps are designed to run at a fast speed at all times in order to be able to take care of all required pool tasks.
Providing a breakthrough in energy-efficiency and equipment service life, a variable speed energy efficient pool pumps can be programmed to operate at different speeds depending on their individual tasks. For example, pool sweeping, running a water cascade feature or spa jets in a Jacuzzi area require a pump to run fast while regular pool filtering requires only a very slow speed.
As the first three tasks are on-demand and only very occasional, most of a pool pump’s time is spent filtering. This can be accomplished better at a very slow speed. When a pump can alternate its speed according to its task, then predominantly slow speed will result in significant energy savings.
As a pool filter slowly collects impurities, the pump delivers the water at a reducing rate. This results in the reduced effectiveness of the moving water tasks, such as suction-side pool cleaners, spa jets and waterfalls. Some Variable Speed Pool Pumps have built-in constant-flow software, which maximizes the advantages of variable-speed technology by sensing the changing filter resistance and automatically adjusts the pump’s flow to maintain the required task performance.
Another reason why a standard pump uses a lot on unnecessary energy is because it is driven by old technology, an induction motor, whereas variable speed pool pump is driven by new energy efficient technology, a permanent magnet motor.
This is a revolutionary way to reduce energy costs and cut the pool portion of utility bills up to 90% and save hundreds of dollars per year and thousands of dollars over its life.
Variable speed energy efficient pool pumps can typically cut energy use up to 90%, saving $620 to $1,100 in utility costs annually.
Savings are based on comparison pump running between 6 and 12 hours per day at the 13c cents/kilowatt hour in a 20,000 gallon pool. Actual savings may vary based on plumbing size and length, pump model, service factor, flow rates, and other hydraulic factors.
Another difference between standard induction motor driven pool pumps and permanent magnet motor driven variable speed energy efficient pool pumps is that they require much less maintenance and last longer. This is because they run slower and are fan cooled. This results in less heat, friction, vibration and movement.
Please take a minute to watch this video of a test that clearly demonstrates all of the above. (Caution: the demonstrator refers to an electricity cost per KWH which will most likely be higher than in your area. Therefore when following his energy savings explanation make the adjustment to calculate your own savings).
I am sure that you will agree that the above video explains very clearly the difference between the way that variable speed energy efficient pool pumps work versus traditional single speed induction motor type pool pumps. For more information, please watch these additional videos of Variable Speed Pool Pumps in action….
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