As the heart of a swimming pool, the pool pump promotes adequate pool circulation. By working closely with the pool filter, it creates a “closed loop” that skims the water, grabs and removes debris, and cleans the water before being pumped back into the pool.
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To find the most efficient pool pump, you should consider many factors, including size, energy efficiency, and noise levels. How big is your swimming pool? Is it an above-ground or in-ground pool? What type of pool pump suits your pool best? You will find all the answers in this pool pump buying guide.
What Size Swimming Pool Pump Do I Need?
Consider the pump head first. If the pump head does not reach the required height, the work done by this pump is null. Next, confirm the pool size, turnover time, and the amount of water handled per hour. Here are some formulas and criteria to help you get the right pool pump.
Pool Volume. Remember the following formula: Pool Volume (gallon) = Length (ft.) x Width (ft.) x Depth (ft.) x 7.5, which applies to rectangular and square pools. To have a more accurate idea of how big it is, you can use an online pool volume calculator to determine the pool size or consult a pool store professional.
Flow Rate. The flow rate lets you know how many gallons of water a pool pump circulates per minute. Generally, a pool with a capacity of 10,000 to 15,000 gallons may require a pump with a flow rate of 20 to 35 GPM. A swimming pool of 20,000 to 40,000 gallons will require a flow rate of 40 GPM to 80 GPM. With a capacity of 40,000 gallons and above, it may require a flow rate of 83 GPM to 120 GPM.
Total Dynamic Head. If you have an above-ground pool, you will need a pump with an average total dynamic head of 50 to 60. But if you have an in-ground pool, a pump with an average total dynamic head of 20 to 30 will be sufficient.
Please read Pool Pump Sizing Guide For Your Swimming Pool for a step-by-step instruction.
What Type of Pool Pump Do I Need?
There are three types of pool pumps on the market: single-speed, variable-speed, and inverter pool pump. Single-speed pumps, the oldest and most low-tech of all pool pumps, always run at a fixed speed. Variable-speed pumps have 3 to 8 speed options. And the inverter pool pumps could adjust the running speed steplessly.
For a better user experience, a quiet-running and energy-saving pool pump featuring variable-speed settings is the best option. California in the United States is considered one of the leading regions for energy efficiency standards. A new federal standard from the U.S. Department of Energy (DOE) has replaced existing pump efficiency guidelines and taken effect on July 18, . New regulations requiring certain energy efficiency levels based on pump horsepower apply to pool pumps for in-ground and above-ground residential pools. Currently, only pool pumps with variable-speed settings comply with the regulation. Utility companies in many states of the U.S. even offer significant rebates on the installation of variable-speed pool pumps. Therefore, high-efficient pool pumps with variable-speed settings have become the norm for all pool owners.
Which Pool Pump Is the Best?
Among the three types of pool pump, inverter pool pump is the most advanced and most energy-saving by accurate speed regulation. As the world’s first and only inverter pool pump, Aquagem’s InverPro saves energy up to 15 times and is 30 times quieter than typical single-speed pumps. It features a full inverter drive that steplessly adjusts the pool pump running speed between 30% and 100% capacity and a special volute hydraulic system that reduces noise and increases water flow, enabling vigorous hydraulic power in a super-quiet overall operation.
Above all, the InverPro is the most intelligent one as it could perform self-learning. When the pipe pressure in the swimming pool system alters to a certain level, the InverPro intelligently automates the speed adjustment to maintain the most appropriate flow rate for your unique pool. Such revolutionary inverter pool pumps are gradually overtaking variable-speed pool pumps as the most intelligent and efficient pool pumps on the market.
Conclusion
With the global energy crisis looming, the focus of the pool sector will be on energy efficiency and sustainability. Welcome to stop by Aquagem’s stand 6H59 at Piscine Global Europe in Lyon, France, from 15–18 November . Aquagem will showcase the market-leading inverter pool pump technology and bring a brand-new energy-saving and smart pool solution at the event. Visit https://exhibition.aquagem.com/ to discover Aquagem’s latest innovations.
Welcome to stop by Aquagem’s stand 6H59 at Piscine Global Europe in Lyon, France, from 15–18 November .
What is a Residential Recirculating Pump?
Laing Autocirc Undersink Instant Hot Water Circulating PumpCirculating pumps are often used to circulate domestic hot water so that a faucet will provide hot water instantly upon demand, or (more conserving of energy) a short time after a user’s request for hot water. In regions where water conservation issues are rising in importance with rapidly expanding and urbanizing populations local water authorities offer rebates to homeowners and builders that install a circulator pump to save water.
Why would you install a Recirculating Pump? How much will you save?
In typical one-way plumbing without a circulation pump, water is simply piped from the water heater through the pipes to the tap. Once the tap is shut off, the water remaining in the pipes cools producing the familiar wait for hot water the next time the tap is opened. By adding a circulator pump and constantly circulating a small amount of hot water through the pipes from the heater to the farthest fixture and back to the heater, the water in the pipes is always hot, and no water is wasted during the wait. The tradeoff is the energy wasted in operating the pump and the additional demand on the water heater to make up for the heat lost from the constantly hot pipes.
We have a passion for turning the world Green but for many of you it’s all about $ which keeps capitalism humming. So what’s the breakeven on the purchase of this pump. As with many Green products it seems the more folks affected by the item the quicker the break even. If you live by yourself then this pump will likely take you a while to get a cost benefit. If you are in a 3 or 4 bath house with 2 or 3 kids then the payback is likely to be on the order of 2 years at most and then it will be straight savings against your utility bill.
Are There Different Types of Recirculating Pumps?
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While the majority of these pumps mount nearest to the hot water heater and have no adjustable temperature capabilities, a significant reduction in energy can be achieved by utilizing a temperature adjustable thermostatically controlled circulation pump mounted at the last fixture on the loop.
Thermostatically controlled circulation pumps allow owners to choose the desired temperature of hot water to be maintained within the hot water pipes since most homes do not require 120 °F (49 °C) degree water instantly out of their taps. Thermostatically controlled circulation pumps cycle on and off to maintain a user’s chosen temperature and consume less energy than a continuously operating pump. By installing a thermostatically controlled pump just after the farthest fixture on the loop, cyclic pumping maintains ready hot water up to the last fixture on the loop instead of wasting energy heating the piping from the last fixture to the water heater. Often installing a circulation pump at the farthest fixture on hot water circulation loop due to limited available space, cosmetics, noise restrictions or lack of available power.
Recent advancements in hot water circulation technology allow for benefiting from temperature controlled pumping without having to install the pump at the last fixture on the hot water loop. These advanced hot water circulation systems utilize a water contacting temperature probe strategically installed at the last fixture on the loop to minimize the energy wasted heating lengthy return pipes. Thermal insulation applied to the pipes helps mitigate this second loss and minimize the amount of water that must be pumped to keep hot water constantly available.
Can I install the Pump Myself?
Below is a video on installing a Laing pump. It is pretty easy if you are handy although you will require a 120v AC plug near the pump to power it. If electricity scares you a bit you would want to call the plumber or electrician to put a plug in for you. A professional depending on region would probably charge up to $200 for the install.
Which is the Best Manufacturer to go with on these pumps?
There are a few major manufacturers of residential plumbing recirculating pumps-they are all good companies and make good product-the choice is often based on your own personal affinity for a given brand or what your installer chooses.
Laing Pump Thermotech division of Xylem Water is the manufacturer we generally offer at Conservastore.
Laing offers a pump whose advantage is that the pump is placed at the faucet farthest in the plumbing loop from the water heater. This seems to do a great job of learning the temp at the coldest point of the system and thereby maintaining a constant temp that is agreeable.
Laing has other models that may fit your requirements better:
A newer model from Laing is designed for the ever growing offering of Instantaneous of Tankless water heaters. The Model # is ACT E10 and the Part # E
Laing now also offers a pump that is installed at the water heater but communicates with the farthest faucet in the home wirelessly. No recirculation line is required and no power source under the farthest sink is needed. Suggested savings is 12k gallons of water per year.
The Model # is ACT-4 and the Part # E
Other good manufacturers of recirculating pumps include (click on the manufacturer name to go to their website)
Grundfos
Taco
Metlund
If you live in a standard residential home with 3 or 4 bedrooms and 2 or 3 baths the relatively inexpensive cost of a recirculating pump will really save you water and utility bill cost over your life in the home
Thanks to the following for the text that is the basis for this article: Wikipedia, Laing Thermotech division of Xylem
This is from our Sustain U series of articles that attempt to inform the lay public about different Green hard good items that can make lives easier and of course save resources and save money
Conservastore is your source for Water Saving – Click here for our entire catalog
Here is the Conservastore offering of Recirculating Pumps for Residential Water Heating-Click Here
Laing Autocirc Undersink Instant Hot Water Circulating Pump
Laing ACT E10 Autocirc Tankless Water Heater Recirculating Pump
This blog was first written in Feb and revised in Feb
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