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Brad Goar

About "Ask the Energy Expert"

Brad Goar is the program manager for FPL's Home Energy Survey and Low Income Weatherization programs. With over 140,000 home energy surveys performed annually, FPL's Home Energy Survey is one of the largest utility run energy survey programs in the nation.

Your questions on energy-related topics can be submitted anytime to our Ask the Energy Expert blog. Just click here to submit your question, and if chosen, it will be answered here

Save energy and dollars with a dual or variable pool pump

By Brad Goar

Asked on: April 28, 2016 by Ignacio A., Weston, FL

I have a 10 year-old, single speed pool pump and hear that new pumps are more energy efficient. How much energy can I expect to save with a newer, more efficient pump?   

Did you know that a pool pump is the second largest user of energy in your home behind the air conditioner? Just like replacing older appliances with more energy efficient ones, the same can apply to your pool pump.

Single speed pool pumps are set to run at higher speeds that use more energy. The level of savings will depend on whether you switch to a dual speed pump or a variable speed pump – both will be more energy efficient than a single speed. Dual speed or variable speed pumps can run at different, lower speeds, and the energy saved can be considerable – reducing pump speed by 50 percent allows the pump to use just one-eighth as much energy.

For example
According to a University of Miami study, a dual speed pool pump on average can save 24 percent over a single speed pump, while a variable speed pool pump can offer up to 72 percent savings.  In terms of dollars, a customer with a 10,000 gallon pool with a single speed pump running six hours per day could save approximately $105 per year if they upgrade to a dual speed pump. However, they could save $316 per year if they opted for a variable speed pool pump.

What to consider
A variable speed pool pump can generate bigger savings, but will cost more for the initial investment. You should consult a professional to handle the installation, as the pump’s settings will be programmed based on a number of factors, including the size and location of the pool.  As for when you run the new pump, there are no additional savings to be had by running the pump at night versus the day. 

Another way to save
You can reduce your pool pump’s run time by two hours or more a day to save up to $100 annually. We recommend running your pool pump six hours or less per day in the summer and four hours or less per day in the winter.

We’re always working to keep your electric bills low, and helping you find ways to make your bill lower. To get a free personalized recommendation for managing your energy usage, including your pool pump, take FPL’s Online Home Energy Survey at FPL.com/OHES.

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