The part you never look at decides whether the water is clear, what the pool costs to run, and how often you think about it. We install Jandy, sized and tuned as one system.
Equipment
Everything else on this site is something you see. The equipment pad is a set of boxes behind a fence, and it decides whether your water is clear, how much the pool costs to run, how often you deal with it, and whether the whole thing is quiet or a nuisance.
You are not really choosing between brands. You are choosing what owning a pool feels like day to day: whether you walk out to the pad or tap your phone, whether the water is reliably clear or occasionally hazy, whether the pool is comfortable in April, and whether the power bill jumps in summer.
We install Jandy as our primary line, so the pump, filter, sanitation, heater, automation, and lighting are designed to work as one system.
The heart of the pool: it pulls water from the skimmers, pushes it through the filter and heater, and sends it back through the returns. It is also the piece you hear, the piece that uses most of the electricity, and the piece most often specified badly, because the number on the label is the least useful thing about it. An oversized pump makes water worse, not better.
What makes water look like water rather than like a pond. Everything the pool collects goes through pleated cartridges: dust, pollen, sunscreen, skin oils, the fine suspended particles you cannot see individually. Every pool we build gets a cartridge filter, so the real decision is not which type. It is how big.
Every pool needs a sanitizer, and in practice that means chlorine in some form. What you are choosing is how the chlorine gets there: made continuously from salt in the water, dissolved from tablets in a feeder, or supplemented by systems that reduce how much chlorine the water needs at all. A salt pool is still a chlorine pool, just a steadier one.
A heater adds months to the season and is what makes a spa worth having. Gas heats quickly and works regardless of the outdoor temperature, which suits pools used on weekends and spas used year round. A heat pump moves warmth from the air into the water instead of generating it, so it heats more gradually and costs far less to run.
A controller at the pad that runs pump speeds, heater, lights, features, spa, and cleaner on schedules you set once, with an app to change anything from anywhere. The real benefit is smaller and better than control from anywhere: you stop walking out to the pad, the pool runs correctly every day, and the spa is heating before you get home.
Lighting is what makes a pool a place after dark rather than a dark shape in the yard. Underwater LEDs light the water from within, so the whole pool glows. It is also the equipment people most often under-buy, and the mistake is permanent: one light in one wall gives a bright patch and a dark far end. More, smaller lights beat one big one.
This is the part worth understanding before you compare quotes. It is counterintuitive, it is where the difference between two similar-looking pools actually lives, and none of it shows up on a quote line.
Water needs to move gently through a filter with room to spare, for long enough, and it needs to reach every part of the pool. Get that right and the water is clear without much effort. Get it wrong and no amount of chemicals fixes it.
An oversized pump pushes water through the filter too fast to be properly filtered, drives pressure up, makes noise, and costs more every hour it runs. The fine particles that make water look hazy are exactly the ones that slip through.
A modestly sized variable-speed pump running gently for twelve or fourteen hours filters better than a big one blasting for six. More quietly, and for less money.
Pipe sizing, hard turns, where the returns point, and where the skimmers sit decide whether water circulates or just loops while a corner stays still. Designed at the start, and not fixable with equipment afterward.
If you are comparing bids, compare the filter size and how the pump was sized, not the horsepower.
If quiet matters, a properly sized variable-speed pump at filtration speed is close to silent. The biggest single improvement over older equipment.
If you hate dealing with chemicals, a salt system. It is the change owners mention most.
If you want a spa you will actually use, gas heating, and automation to start it before you get home.
If you want to touch none of it, automation plus chemistry monitoring. That is as close to a self-running pool as currently exists.
Sizing, salt, and running cost questions come up on every build, so they are answered here.
Yes, on two counts. Energy use falls dramatically at lower speeds, which is where nearly all the savings in modern pool equipment come from, and at filtration speed the pump is barely audible from the deck. Longer, gentler cycles also catch the fine particles that fast cycles miss, so the water is clearer as well as cheaper.
No. A salt pool is still a chlorine pool. The cell converts dissolved salt into chlorine continuously, so the pool sanitizes itself instead of you adding chlorine, and the salt level is a small fraction of seawater. The real advantage is consistency: chlorine is produced steadily rather than in doses that spike and decline, and stable chemistry is what keeps algae away and prevents the smell, red eyes, and itchy skin people blame on chlorine.
Gas heats quickly and works regardless of the outdoor air temperature, which suits pools used on weekends or for occasional gatherings, and spas used year round. A heat pump moves warmth from the air into the water rather than generating it, so it heats more gradually but costs far less to run, which suits a pool used regularly and held at a steady temperature. Sizing the heater to the pool and to how you use it matters more than the type.
A few times a season, and the filter's size is what decides it. Four-element tanks spread the same water across much more surface, so they filter more gently and need cleaning far less often than a compact single-element tank. Cartridge filters are cleaned by pulling the elements and hosing them off, so nothing is backwashed and no water goes down the drain.
It is a question of coverage rather than brightness. Light along the length of the pool rather than across it, count the obstructions and add a fixture for each dark zone, because every bench, step, sun shelf, swim-out, raised wall, and spa dam casts a shadow. Aim fixtures away from the house to avoid glare, and light the spa separately. More, smaller lights beat one big one, and it is far cheaper planned than added.
Yes, and the variable-speed pump is usually the upgrade people feel most: quieter, and much cheaper to run. Modern pumps have adjustable bases for drop-in replacement of most existing pumps, so the pad rarely needs re-plumbing. Salt sanitation, automation, and LED lighting can all be retrofitted too. What cannot be changed afterwards is the plumbing that went in the ground with the pool.
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