What a pool actually costs, with the arithmetic shown

Why this hub exists

We read the pages that currently rank for pool buying advice, and the pattern was consistent: the ones that help you choose a pool never price the season, and the ones that teach you to look after a pool never help you choose one. Neither side answers the question a family sitting at a kitchen table is actually asking, which is not “which pool is best” but “what is this going to cost us, all in, and can we keep up with it?”

So that is what this hub does. Every figure here is arithmetic with its inputs shown, so you can substitute your own electricity rate, your own gallons and your own season length and get a number that is true for your yard rather than for an average one. We have not tested these pools and we do not claim to. What we can do is show the working.

The four lines that make up a pool year

Once the pool is bought, ownership resolves into four recurring costs and one occasional one.

Electricity is usually the largest and is entirely computable: pump wattage multiplied by hours per day, multiplied by days in your season, divided by a thousand, multiplied by your rate per kilowatt-hour. Every input is on your pump’s label and your power bill. A heater, if you add one, dwarfs everything else on this list.

Chemicals scale with gallons and with sunshine. Chlorine is the standing cost; shock, algaecide and pH adjusters are the occasional ones. This is where a cover quietly pays for itself, because evaporation carries chemistry away with the water.

Water is the cost people forget entirely. Filling is a one-time hit each season, but evaporation and splash-out mean topping up all summer, and every gallon you add is a gallon you then have to balance.

Consumables — filter cartridges, replacement gaskets, a new skimmer net — are small individually and add up to more than people expect. Liner replacement is the occasional one: rare, avoidable with care, and expensive enough to matter when it happens. We price it in liner replacement cost. At the other end of ownership, selling or disposing of a pool covers what a used one is actually worth.

Where to start

The annual cost-to-run guide is the flagship: it takes a typical seasonal above-ground pool and prices a full year, line by line, with the formula printed so you can redo it with your own numbers. If you are still at the buying stage, what an above-ground pool costs covers the purchase side including the accessories that are not in the box, and maintenance cost isolates the upkeep half if that is the part you are worried about.

And if the honest answer for you is “no”, we would rather you found that out here than in August. Are backyard pools worth it makes the case against as carefully as the case for.

Two autumn numbers sit outside the running total and catch people out. What closing a pool costs compares three published service price lists against the do-it-yourself list, and shows why one company’s quote can be double another’s for the same pool. Then the bill a bad close sends you prices what happens when the job is skipped or rushed, which is the larger of the two numbers by some distance.

How to read our numbers

Three things to know. First, every figure is a computation, not a measurement — we state the assumption behind it and you should change the ones that do not match your situation. Second, electricity rates vary enormously by state, and a national average is a starting point rather than an answer; your own bill has the real number on it. Third, we never write a product price into body copy. Prices on this site come from a live data layer and are stamped with the date they were checked; where no live price is available, the button says so rather than showing you a number from last month. Our methodology page spells all of that out, including how to reproduce our figures yourself.

What we could not price, and say so

Two gaps are worth naming up front, because pretending they do not exist is how this category ends up publishing confident numbers that are not true.

Pump wattage is not published. We checked both brands that dominate this market. Intex and Bestway each publish flow rate in gallons per hour on their product pages, and neither publishes power draw. That means the single largest input to your annual running cost is unavailable before you buy, from either of them. The figure is printed on the pump itself, so we publish a table across the plausible range and tell you to read your own label rather than inventing a number and dressing it up as research.

Evaporation rates are not something we will average for you. How much water your pool loses depends on your climate, your wind exposure, your sun hours and whether it is covered, and we could not find a figure for domestic above-ground pools that we would stand behind. So instead of a fabricated national average, we tell you how to measure your own: mark the water line, note the date, and read it again two weeks later without topping up. Ten seconds of work, and it is the only number that is actually true for your yard.

Documenting a gap is part of the method rather than an admission of weakness. A page that tells you what it does not know is considerably more useful than one that quietly fills the hole with an estimate.

The four “is it worth it” questions

Most upgrade decisions are really payback questions, and payback questions have answers. A solar cover is the clearest yes on the site — it saves on the water bill and the heat bill at once and costs nothing to run. A salt system is usually a no on cost and sometimes a yes on convenience, and the cell replacement is the line people leave out. A robotic cleaner automates about ten minutes a week, which is the honest size of the prize. And if you are choosing between the two things people put in a backyard, a hot tub and a pool have opposite cost shapes: one stops in October and the other never does.

Two follow-on costs deserve their own budget line because they routinely exceed the pool itself. A deck is the largest optional purchase in above-ground ownership, and a fence is priced by your perimeter rather than your pool — which is why quotes for the same pool vary so widely.

Three questions come up before the purchase rather than after it. Whether a pool adds value to the house — almost certainly not, and knowing that should change what you spend. What to ask your home insurer, which is a ten-minute call and not optional. And if the yard slopes, what a semi-inground installation actually costs — where the kit is the smallest line on the sheet.

One more line people only price once they need it: having water trucked in. Haulers charge by the load rather than the gallon, and their published rates work out many times the cost of your own hose — which makes it the right answer in three specific situations and the wrong one the rest of the time.

The season has two ends and both now have a price. What it costs to open is the mirror of the closing page, and the answer is unexpectedly small — about $45 on a 10,000 gallon pool that was closed properly, because cold clear water needs balancing and almost nothing else. The useful part is the arithmetic on the kits: both published opening kits are rated for 30,000 gallons and up, so on a real above-ground pool you are buying roughly three openings at once rather than one.

One more standing charge, and it is the one that runs while the pool costs nothing. What an inflatable hot tub costs to run in winter works the arithmetic from published heater wattage and current published electricity rates, because heat loss scales with the gap between the water and the air — and a tub holding 102 degrees on a 30-degree night is maintaining more than twice the difference it was in July.

Two more prices this hub now carries, both of them winter ones. What a cold plunge costs to run is an honest accounting of a category that publishes less than the pool industry does: the water is about six dollars a year, and the ice and electricity cannot be computed at all, because no chiller publishes an input wattage and no tub maker publishes how much ice a session takes. And if you are tempted by an off-season deal, read the warranty table before the price tag. Bestway publishes 180 days on most of its above-ground range, beginning at purchase or delivery rather than at setup — so a pool bought in mid-October is out of warranty by mid-April, before it has held water. Three ranges in the same table publish two years on liner and frame, and those are the ones to buy now.