Control the need for speed and get cleaner water with an efficient pool pump
Two-speed pool pumps run at low speed for daily circulation and high speed for cleaning, while variable-speed pumps let you fine-tune flow rates for your specific needs.
Two-speed pumps cost $300 to $1,600, while variable-speed models range from $800 to $2,500, so your budget and pool features influence which option works best.
Variable-speed pumps work better with heaters and chlorinators because you can adjust flow rates precisely, keeping your pool equipment running smoothly and extending its lifespan.
Hiring a local pool repair professional helps you choose the right pump for your setup and handles the installation, so your pool stays clean and efficient.
Pool pumps keep water circulating through filters, chlorinators, salt systems, and heaters. We compare two-speed versus variable-speed pool pumps to identify the similarities and differences that could make your pool experience more manageable. Variable pumps offer more control and efficiency, though two-speed models have a simpler design and are more inexpensive up front. Keep reading to decide which is right for your pool.
The key differences between these two pool pump types are the speed options and efficiency. Two-speed pumps have an induction motor with a low or half speed for daily use and a high or full speed for cleaning the pool or when there’s more debris and contaminants in the water. Variable-speed pumps have a permanent magnet motor (PMM) with the ability to “dial in” the flow rate as needed for extra features or heavy pool use.
If you’re unsure which option will work best, a local pool repair pro can assess your pool and recommend the best pool pump for your needs.
Two-speed pool pumps have an induction motor that can run at a low or high speed. The low speed provides a turnover rate (the number of times in a 24-hour period that the pool’s water volume is circulated) for everyday use. The high-speed setting has a flow rate that can be used when cleaning the pool and possibly for using a heater or chlorinator. These pool pumps are more affordable up front but aren’t as energy efficient, especially if you have to run them at high speed at all times to keep the water clean.
| Pros | Cons |
|---|---|
| Less expensive | Requires additional timers and automation for peak efficiency |
| Offers two speeds for different purposes | May not work with additional pool features |
| Timers can be added | Less efficient |
Best for:
Low to moderate use for seasonal pools
Homeowners looking for a wallet-friendly option
Pools without a heater or chlorinator
Two-speed pumps cost between $300 and $1,600, which is less than most variable-speed pumps. The low speed has enough turnover for low to moderate use, and the high speed can work for high-use pools and cleaning. Most two-speed models don’t have built-in automation features, but timers can be added to the system.
A two-speed pump’s induction motor will always be less efficient than a variable pool pump’s PMM. An induction motor’s design has more friction, increasing wear and tear and reducing efficiency. Timers can improve efficiency, but two-speed pumps still use more energy than a variable model.
Additionally, a two-speed pool pump isn’t a good option for chlorinators, pool heaters, and many other common pool parts and features. In some cases, they may work if the two-speed pool pump runs on high all the time, but that could defeat the purpose of buying the budget-friendly option.
Variable-speed pool pumps have a PMM, which decreases friction and improves energy efficiency. Some models include built-in programming to increase or decrease the flow rate at specific times or when certain features, like a waterfall or heater, are running.
| Pros | Cons |
|---|---|
| More control over speed | More expensive |
| Built-in automation settings | |
| Work with pool heaters, chlorinators, and pool vacuums | |
| High efficiency |
Best for:
High-use pools
Pools in high foliage areas where frequent cleaning is needed
Pools with heaters, chlorinators, and waterfalls
Variable-speed pumps offer the ultimate in flow rate control. You can reduce the flow rate during the offseason when the pool isn’t in use or increase it during cleaning or high-use seasons.
Some variable-speed pumps have built-in automation features, and you can pair them with timers if they’re not built-in. Variable-speed models work well with pool heaters, chlorinators, and pool vacuums for easier pool maintenance. Finally, it’s hard to beat this modern motor’s efficiency, which helps keep pool maintenance costs in check.
On the downside, variable-speed pool pumps cost between $800 and $2,500, which can be significantly more than a two-speed model. Those with a larger pool and more extras, like water features, will need a larger model that’s at the higher end of the price range. Those with small pools and fewer pool extras, like heaters or chlorinators, can find a model at the lower end of the range, which is closer to the price of a two-speed pump.
We put these two pool pump types side-by-side to see how they match up in specific categories.
A variable-speed model’s PMM reduces heat in the rotor, which reduces lost energy. That efficiency shows in the reduced power it takes to run the pump. No matter how well-maintained a two-speed pool pump is, a variable-speed pool pump will outperform it in efficiency.
Variable-speed pool pumps let you fine-tune the water flow to maximize the water quality with other features like a heater or chlorinators. These pumps are also quieter with fewer vibrations, making them more pleasant to have around the pool.
If cost savings are a priority, purchasing a two-speed pump could be the better option. However, if you consider the price to run the pump over its lifetime, a variable pump makes more sense.
Variable-speed pool pumps have fewer components, reducing wear and tear and maintenance-associated time and costs. Their durability and longer lifespan can further increase energy and money savings and mean your pool pump will last longer.
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