Water cooler brands:Which are searched most?
In September 2026, Primo was the most searched among water cooler brands worldwide, with an estimated 450K branded searches and 46.2% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
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Share of SearchLeaderboard
Compare the water cooler brands people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Primo, Culligan, Igloo. The figures are in the table below the chart.
View monthly share of search table
| Month | Primo | Culligan | Igloo |
|---|---|---|---|
| Oct 2025 | 55.8% | 31.9% | 12.2% |
| Nov 2025 | 58.1% | 31.5% | 10.4% |
| Dec 2025 | 60.4% | 28.7% | 11% |
| Jan 2026 | 55.3% | 36.5% | 8.2% |
| Feb 2026 | 54.2% | 35.9% | 9.9% |
| Mar 2026 | 51.1% | 35% | 13.9% |
| Apr 2026 | 46.7% | 31.3% | 22% |
| May 2026 | 47.3% | 29.8% | 22.9% |
| Jun 2026 | 47.5% | 29.1% | 23.4% |
| Jul 2026 | 61.6% | 21.7% | 16.8% |
| Aug 2026 | 48.7% | 31.4% | 19.9% |
| Sep 2026 | 46.2% | 38.7% | 15.1% |
This month’s ranking, September 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 46.2% | 450K | 0% | -2.5 points | |
| 2, held 2nd | 38.7% | 377K | +30.1% | +7.3 points | |
| 3, held 3rd | 15.1% | 147K | -20.2% | -4.8 points |
Compare search popularity between leading brands
Which brand is most popular in search among water cooler brands worldwide?
3 brands
In September 2026, Primo was the most searched among water cooler brands worldwide, with an estimated 450K branded searches and 46.2% estimated Share of Search within this set. Culligan is in 2nd place, 7.5 percentage points behind at 38.7% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
| 55.8% → 46.2% | 61.6%Jul 2026 | 46.2%Sep 2026 | 1st | |
| 31.9% → 38.7% | 38.7%Sep 2026 | 21.7%Jul 2026 | 2nd | |
| 12.2% → 15.1% | 23.4%Jun 2026 | 8.2%Jan 2026 | 3rd |
Each finding as a sentence
- Across the 12 months ending September 2026, Primo’s estimated Share of Search among water cooler brands worldwide decreased from 55.8% to 46.2%.
- Across the 12 months ending September 2026, Culligan’s estimated Share of Search among water cooler brands worldwide increased from 31.9% to 38.7%.
- Across the 12 months ending September 2026, Igloo’s estimated Share of Search among water cooler brands worldwide increased from 12.2% to 15.1%.
- Across the 12 months ending September 2026, Primo’s estimated Share of Search among water cooler brands worldwide peaked at 61.6% in July 2026 and was lowest at 46.2% in September 2026.
- Across the 12 months ending September 2026, Culligan’s estimated Share of Search among water cooler brands worldwide peaked at 38.7% in September 2026 and was lowest at 21.7% in July 2026.
- Across the 12 months ending September 2026, Igloo’s estimated Share of Search among water cooler brands worldwide peaked at 23.4% in June 2026 and was lowest at 8.2% in January 2026.
How did search popularity change for water cooler brands worldwide in September 2026?
3 changes

In September 2026, Culligan gained estimated Share of Search among water cooler brands worldwide, from 31.4% to 38.7%.

In September 2026, Igloo lost estimated Share of Search among water cooler brands worldwide, from 19.9% to 15.1%.

In September 2026, Primo lost estimated Share of Search among water cooler brands worldwide, from 48.7% to 46.2%.

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