Quick answer

Costco does not sell standalone pool heaters from Hayward, Pentair, Raypak, or Jandy — a search of Costco.com’s own outdoor-living and pool-supply pages turns up zero listings for any of the four major brands this site tracks. The only “pool heater” on Costco.com is a basic solar water heater panel bundled into Bestway above-ground pool kits (roughly $400-$700 for the whole kit, per current Costco.com listings), a passive accessory that trims a few degrees off cold water rather than a real gas heater or heat pump. If you want an actual pool heater, Amazon, Home Depot, and Walmart all carry the established brands — Costco doesn’t compete in this category at all.

What Costco actually has on its shelves

Checking Costco’s own site directly — not a reseller or forum — confirms the gap: there is no Hayward Universal H-Series, no Pentair MasterTemp, no Raypak digital-gas lineup, and no Jandy JXi anywhere in Costco’s outdoor-heating or pool-supply categories. That’s a wider miss than Home Depot, which at least stocks three of the four brands (everything but Jandy) as complete units.

What Costco does sell under the “pool heater” umbrella is a Bestway Power Steel above-ground pool kit with a solar water heater listed as one bundled feature among several — alongside a sand filter pump (1,000-1,500 gallon capacity), ladder, pool cover, and a ChemConnect chemical dispenser. Three current listings found on Costco.com: an 18’x9’x48” oval kit (~5,300+ gallons) around $599.97, a 22’x12’x48” oval kit (6,021 gallons) around $399.97, and a larger Power Steel oval set with the full accessory bundle around $699.99. None of these prices is for the solar heater itself — it’s a feature line on a full pool-and-pump package, the same way a “cup holder included” line doesn’t mean the car is priced as a cup holder.

Why this is a real gap, not just an inventory quirk

A passive solar panel and a 250,000-400,000 BTU gas heater or heat pump solve different problems. The Bestway solar accessory works by circulating pool water through a solar-warmed coil — it can add a few degrees on a sunny day, similar in concept to the standalone units covered in our best solar pool heater roundup, but it’s not sized or built to heat a 15,000-20,000-gallon in-ground pool the way a Hayward or Raypak unit is. Anyone searching “pool heater Costco” expecting a big-box price on a real heater will come up empty — Costco simply isn’t stocking this category the way Home Depot, Amazon, and Walmart are.

Pool-heating options at Costco vs. real pool heaters, at a glance

RetailerHaywardPentairRaypakJandyWhat's really sold
CostcoNoNoNoNoSolar heater bundled in Bestway pool kits ($400-$700)
Home DepotYes, full lineupCompact onlyPartialNoComplete gas heaters, $3,999-$5,399
AmazonYes, full lineupYes, full lineupYes, full lineupGas onlyComplete gas heaters + heat pumps, $2,249-$5,100
WalmartYes, full lineupYesYesYes, gasComplete gas heaters + heat pumps, $2,025-$6,999

Hayward HeatPro Heat Pump (140,000 BTU)

The heat-pump tier Costco doesn't carry at all · see current price on Amazon
  • The closest thing to a "no-brainer" pick our best pool heat pump roundup covers — none of it available through Costco's own site.
  • Ships with Prime, unlike the dealer-network model Jandy's heat pumps still use everywhere.
Check price on Amazon →

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Returns: the one place Costco is actually more forgiving

Costco’s well-known 90-day, 2-year-extended-warranty policy for major appliances — the one that covers refrigerators, washers, dryers, and dishwashers per Costco’s own policy pages — doesn’t apply here, because pool kits aren’t on that appliance list. Instead, a Bestway pool-and-solar-heater kit falls under Costco’s general-merchandise Risk-Free 100% Satisfaction Guarantee, which for most non-electronic seasonal items carries no fixed return deadline. That’s actually looser than what our other retailer coverage found for real pool heaters: Amazon’s standard 30-day window, Home Depot’s 90-365 days depending on payment method, and Walmart’s 30-day major-appliance carve-out. The tradeoff is that this generous policy applies to a solar-accessory pool kit, not to an actual heater — there’s nothing to return a pool heater purchase against because Costco doesn’t sell one.

The bottom line

If “pool heater Costco” brought you here expecting a big-box price on a Hayward, Pentair, Raypak, or Jandy unit, it isn’t there — Costco’s entire pool-heating footprint is a solar accessory bundled into Bestway above-ground pool kits, priced as part of a $400-$700 pool-and-pump package rather than sold on its own. For an actual heater, Amazon has the broadest brand selection with Prime shipping, Home Depot covers Hayward’s full lineup plus partial Pentair and Raypak, and Walmart matches Amazon’s brand spread with more third-party sellers mixed in. Costco is worth a look only if a bundled solar accessory inside a new above-ground pool kit is genuinely what you’re shopping for.

Sources: Costco.com — Bestway Power Steel pool set listings, Costco.com — Outdoor Heating & Cooling category, Costco Customer Service — Major Appliance Return Policy, Costco Customer Service — Satisfaction Guarantee