Variable speed pump installation
A variable speed pump replaces a single speed motor with one that runs long and slow instead of short and loud. Power use drops sharply, filtration improves, and the equipment pad gets noticeably quieter. Federal efficiency standards mean most replacement pumps in this size class are variable speed now. Scope is confirmed before install.
Signs you need this
- The pad is loud enough to end a conversation on the patio
- Single speed motors run at one speed, which is full. Noise that carries across a yard is what full speed sounds like, and it is also what it costs on the power bill every hour it runs.
- The summer electric bill jumps by an amount you can point at
- A single speed pump is often the second largest electrical load at the house. Run hours go up with water temperature, and the bill goes up with them in a way that is easy to see.
- The motor is too hot to touch
- Bearings are going, the motor is fighting restriction, or the ventilation is blocked. A motor running that hot is on borrowed time, and it usually quits on the hottest weekend of the year.
- The pump shrieks for a minute at startup
- That is bearing noise and it never improves. Once the sound arrives the useful life is measured in weeks or months, not seasons, and a planned replacement always costs less than an emergency one.
- The pool is not clear even though the pump runs all day
- Moving water fast is not the same as filtering it. High flow pushes fine material straight through the media, and slower flow for longer catches what the old pump has been blowing past.
What is included
Included in the plan
- Size the pump to the pool volume and the plumbing
- Remove the old pump and adapt the plumbing to fit
- Set and connect the new pump on the existing circuit
- Prime, leak check and confirm flow at each speed
- Program a run schedule built around your pool
- Register the warranty in your name
Extra, and always in writing first
- Automation added so speeds change with the season
- Filter replacement while the plumbing is already open
- Licensed electrician coordinated where the circuit needs work
- Old pump hauled off and disposed of
Extras need a written yes with the dollar amount before the work starts. No verbal add ons, ever.
What it costs
$900 to $2,400+
The published pump replacement band covers most residential variable speed installs. Pump size, the plumbing modifications needed to adapt the new unit, whether the existing circuit is suitable, and adding automation move the number. Anything requiring a licensed electrician is identified and priced separately.
We do not publish a number the phone will not honour. See how pricing works.
What moves the price
A range is only honest if you can tell which end you are on. These are the things that decide it.
| Factor | What it does to the number |
|---|---|
| Pump size for your pool | Sizing follows volume and turnover, not the horsepower printed on the box. A correctly sized unit costs less to buy and far less to run than an oversized one somebody talked you into. |
| Plumbing adaptation | New pumps rarely land exactly where the old one sat. Union spacing, suction and discharge height and pipe size often need reworking, and that fabrication time sits inside the published band. |
| The existing electrical circuit | Some units run on the existing circuit as it stands. Others need different voltage or a different breaker, and that work is coordinated with a licensed electrician and priced on its own. |
| Adding automation at the same time | A controller lets speeds change by season without anyone walking to the pad. Adding it during the pump install is far cheaper than opening the pad a second time later on. |
Variable speed or rebuild the single speed you have
| Variable speed | Rebuild the old pump | |
|---|---|---|
| Cost today | The published pump replacement band | A motor or seal kit plus labor |
| Power draw | Far lower at the speeds you actually need | Unchanged |
| Noise | Quiet enough to talk over | Same as it always was |
| What happens next | A new service life starts | The next component on an old unit |
Short version. A seal kit on a young pump is good money. A motor swap on an old single speed is paying most of a replacement price to keep the noise and the bill.
Our process
Send a photo of the pad
The pump label and a wide shot of the plumbing tell us the size, the union spacing, and whether the new pump drops in or needs adapting.
Size it to your pool
Bigger is not better with a variable speed pump. The point is moving the full volume slowly, so we size to turnover and to the plumbing you actually have.
Install and prove flow
Old unit out, new one set and primed, leak checked and run through its speeds. We confirm the filter and any features still get what they need at low speed.
Program the schedule
A variable speed pump saves nothing on a factory default schedule. We program run times around your pool volume and the season, then show you how to change them.
How long it takes
Photo of the pump label and pad
Same day reply
Sizing confirmed to your pool
Before we quote
Install and flow check
Usually one visit
Schedule programmed and explained
Same visit, in writing
Through a North Texas year
- March to MayThe right time to plan it. Replacing a tired pump before summer means you pick the date, and the run schedule gets programmed while demand on the pool is still low.
- June to AugustFailure season. Pumps quit in 100 degree heat because that is when they run longest, and a pool with no circulation in August turns green in roughly three days.
- September to NovemberSpeeds should come down as the water cools. This is where a variable speed pump saves the most, and where a single speed keeps drawing full load for water that needs far less.
- December to FebruaryLow speed circulation is also freeze protection. A variable speed pump can run slow and steady through a cold night for a fraction of what a single speed costs to do the same job.
Our water. Slower water filters better and it also treats better. Chemicals mix evenly when the whole volume turns over gently instead of being blasted through the returns. In a climate with 100 degree Augusts and hard fill water, longer run time at low speed keeps sanitizer distributed and keeps calcium from settling into the same corners week after week.
Common mistakes we get called to fix
Running the new pump at high speed out of habit
People set it fast because that is what the old pump did. All the savings live in low speed run hours, and a variable speed pump held at full output is just an expensive single speed pump.
Setting the speed too low for the cleaner
Suction cleaners, spillways and some heaters need a minimum flow. Program below that and the cleaner sits still while the pool looks like the pump is doing everything it should be.
Replacing the pump and keeping a spent filter
The new pump pushes into whatever media is already in there. Worn media leaks fine material back into the pool and the owner blames new equipment for water that will not clear.
Variable speed pool pump installation Flower Mound: the settings decide the savings
The pump is the easy part. A variable speed pool pump installation Flower Mound homes benefit from lives or dies on the speeds we program afterward, because a variable speed pump run flat out for eight hours costs about what the old one did. Low and long is the whole idea. We set a filtering speed, a cleaning speed and the hours, then write them on the pad.
Some equipment needs a minimum flow to work at all. Heaters, in floor cleaning heads, salt cells and older suction cleaners each have a floor, and a variable speed pool pump installation Flower Mound crews do properly accounts for every one of them before choosing the low speed. We service Pentair, Hayward and Sta-Rite pumps, and the setup conversation matters more than the badge on the housing.
The most common thing we correct after somebody else installs a variable speed pump is the schedule. The pump is fine, it is running eight hours at full speed, and the owner never saw the savings they were promised.
What this looks like on a real job
Photo slot
A real in-progress shot from a variable speed pump installation job. Crew or equipment visible, not a stock backyard.
Photo slot
The finished result plus a clear photo of the equipment pad, the kind that goes into the photo report after every visit.
Related work on the same route
Common questions
How much does a variable speed pump actually save?
It depends on your rate and run time, but the physics are strong. Halving pump speed cuts power draw far more than half, so running longer at low speed moves the same water for a fraction of the electricity.
Will it work with my existing filter and cleaner?
Usually. Suction cleaners and some features need a minimum flow, so we set a speed that keeps them working rather than programming the pump so low that nothing runs. That gets checked at install.
Can I keep my old pump as a backup?
You can, though most are past their useful life by the time they get replaced. If yours is worth keeping we will say so rather than hauling it off automatically.
Start this week
Send the city and a pad photo. You get the plan before the first stop.