Aquastrong HEX055 55,000 BTU inverter pool heat pump with the control app
Aquastrong

Aquastrong Reversible Pool Heat Pump (65K BTU, 20,000 gal)

Best value: cheapest heat/cool that reverses, Amazon-native — The value pick in Aquastrong's reversible inverter line — a 65,000-BTU side-discharge unit for a 20,000-gallon pool that reverses to heat and cool, on a pooled line-wide base that reads 4.2★ across 451. One listing sells eleven sizes titled by pool dimensions, so you buy your exact pool size — but you must pick that size yourself

Sold in 11 pool sizes on this listing. Check the size before you add to cart.

★ 4.2 · 451 owner ratings · Amazon · September 2026

Add us as a preferred source on Google

Preferred sources show up more in Google's Top Stories and can carry a "preferred" badge in AI Overviews.

Check price at Amazon →

Sold by Aquastrong, shipped by Amazon · 30-day refund / replacement · read 2026-10-08

Specs

Sized forUp to 20,000 gal (maker)
Flow rate28.6 GPM nominal (1,717 GPH, maker manual)
MethodRefrigerant heat pump (reversible)
Heat exchangerTitanium (maker manual)
BTU65,000 BTU (inverter)
Max pool size20,000 gal (listed as 18'×37'×48")
Warranty1 year
Owner rating4.2★ / 451 (line-wide, pooled)
Cooling25,188 BTU/h at 95°F air / 85°F water (maker manual)
Humidity-proofYes — refrigerant, any weather
Also heatsYes — 55,000 BTU full inverter
SizesOne eleven-size listing titled by pool dimensions (read 2026-09-10); the wired 18'×37' (20,000 gal) cut was $1,714 on 2026-10-08
Typical price~$1,714 for the 20,000-gal cut (Amazon, read 2026-10-08)

Pros

  • Cheapest real heat/cool machine on this page — Amazon-direct with a working cart, and it genuinely reverses to chill
  • Buy your exact pool size: one inverter listing scales from 3,000 to 26,000 gallons ($509–~$2,899), so you're not over- or under-sizing
  • The deepest owner base on this page: 4.4 stars across 486 ratings — pooled across the size line, but far more owner evidence than any rival here

Cons

  • The listing sells eleven sizes on one page — you have to select your pool's size or you will buy the wrong machine
  • Import brand with a shorter US track record and a thinner dealer/service network than Raypak or Hayward — factor in support risk
  • Aquastrong states a 65,000-BTU heating figure but no separate cooling BTU, so its exact chill rate is unproven on paper — buy it for the value and the owner base, not a spec-sheet pull-down
  • That 4.2★ is pooled across every size in the line, so it describes Aquastrong's inverter platform, not the specific unit you pick
What owners complain aboutDefect reports

Support goes unanswered when something fails, and several owners report slow or insufficient heating; E03 errors and dead displays recur.

4 of the first 10 critical cards (of 41) are unanswered support and 3 are heating shortfall. The base is SHARED with the other Aquastrong unit we card and spans five pool sizes — it is not a read of this machine · critical reviews read August 2026

FAQ

Who is the Aquastrong Reversible Pool Heat Pump (65K BTU, 20,000 gal) for?

You want the cheapest reversible heat/cool pump you can buy on Amazon and you're willing to select your pool's size on the listing — the deepest owner base in this roundup (4.2★/451 line-wide) behind an import with a thinner support network.

What do owners say about the Aquastrong Reversible Pool Heat Pump (65K BTU, 20,000 gal)?

4.2★ across 451 owner ratings (Amazon, read September 2026 · listing-wide base · global base · incentivised base). What owners complain about: Support goes unanswered when something fails, and several owners report slow or insufficient heating; E03 errors and dead displays recur.

Who sells the Aquastrong Reversible Pool Heat Pump (65K BTU, 20,000 gal) on Amazon, and can it be returned?

Sold by Aquastrong, shipped by Amazon, when we read the listing on 2026-10-08. Amazon's returns line read: 30-day refund / replacement. Sellers and return terms can change, so check both on the listing before you buy.

What is the warranty on the Aquastrong Reversible Pool Heat Pump (65K BTU, 20,000 gal)?

1 year

Record

Warranty — and what changes if you buy it on Amazon

1 year · you are buying this on Amazon

Read it yourself: Aquastrong warranty document · we read it . Terms change without announcement, so treat this as a dated snapshot. How warranty works by buy path →

What we have seen it sell for

Each date is when we recorded that price, not necessarily the day it changed — we publish what we can prove. Prices we later corrected are left out rather than shown as moves.

✓ Safety: no active recall — No active CPSC recall found (checked August 2026).

Data last verified: October 2026. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.