Glacier GPC-25 Pool Cooler (up to 20K gal)
The cool-only counterweight: pennies to run in dry air — The smallest Glacier evaporative cooler — a fan-and-mist 'swamp cooler for pools' at about $2,499 that cools for a fraction of refrigerant's electricity, sized for pools up to 20,000 gallons (dry climates only)
Contender in the Lightweight division — The Best Budget Pool Coolers of 2026: Cheapest Ways to Actually Cool a Pool
Contender — The Best Pool Coolers of 2026 (by Pool Size)
Specs
| Heat exchanger | n/a — evaporative, no refrigerant exchanger |
| Sized for | Up to 20,000 gal (maker) |
| Flow rate | 30 GPM (nominal) |
| Method | Evaporative (fan + mist) — cool-only, no refrigerant |
| Cooling | 10-15°F in 12-14 hrs (maker); net 3-7°F in humid air (owners) |
| Max pool size | up to 20,000 gal |
| Humidity-proof | No — dew point is the ceiling |
| Also heats | No — cooling only |
| Power | 110/115V (~1 kW) — pennies per run |
| Warranty (online) | 2-yr unit (10-yr casing per INYO) |
| Owner rating | 4.9★ / 27 (INYO) |
| Typical price | ~$2,499 street |
Pros
- Cheapest way to cool for pennies: about a tenth of refrigerant's electricity, on a standard 115V outlet
- Best owner rating in the tier: 4.9 stars across 27 reviews at INYO
- Simple install — tees into your existing pump plumbing, no 208-230V circuit needed
Cons
- Cool-only and evaporative: above ~70% humidity it stalls — a dry-climate pick, not a Florida one, and it can't heat at all
- Open misting system spends water and needs clearance; accelerates calcium buildup in hard-water areas
- Short 2-yr warranty and no published MSRP — shop the street price
A large footprint, real water loss to splash-out and evaporation, and no built-in thermostat.
the recurring criticisms on an independent retailer base — but note that base is OLD, every visible review dating 2009-2014, so read it as a long-run reputation signal rather than evidence about a 2026 unit · critical reviews read August 2026
“We no longer have an 11,000 gallon bathtub!”— Laura W., Warsaw, Indiana, INYO Pools · Verified owner
FAQ
Who is the Glacier GPC-25 Pool Cooler (up to 20K gal) for?
You're in a dry climate and want to cool a pool up to 20,000 gal for pennies — the smallest Glacier evaporative cooler at about $2,499; it stalls above ~70% humidity and can't heat.
What do owners say about the Glacier GPC-25 Pool Cooler (up to 20K gal)?
4.9★ across 27 owner ratings (INYO Pools, read August 2026 · early data). What owners complain about: A large footprint, real water loss to splash-out and evaporation, and no built-in thermostat.
What is the warranty on the Glacier GPC-25 Pool Cooler (up to 20K gal)?
2-yr unit (10-yr casing per INYO)
✓ Safety: no active recall — No active CPSC recall found (checked Jul 2026).
Size your pool first → ·All pool gear →
Data last verified: August 2026. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.