Grundfos vs Zoeller:Which is more popular?
In September 2026, Grundfos had more branded searches than Zoeller among submersible pump brands worldwide. Grundfos had about 165,000 branded searches, while Zoeller had 5,400. Grundfos made up 76.6% of all submersible pump brand searches we track, and Zoeller accounted for 2.5%. When we asked ChatGPT and Google AI Overviews about submersible pump brands, Zoeller appeared in three of the five answers and Grundfos in one. Zoeller was mentioned before Grundfos in two out of three answers.
Who do people search for more?
Grundfos, about 31 searches for every 1 for Zoeller
Who does AI mention more?
Zoeller, mentioned in 3 of 5 answers, Grundfos in 1
Who does AI recommend more?
Zoeller, named ahead of Grundfos in 2 of 3 answers
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Top submersible pump brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Zoeller was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Grundfos was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Zoeller was listed before Grundfos in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Zoeller1st
- Franklin Electric2nd
- Grundfos3rd
Liberty Pumps4th
DAB–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Zoeller3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Franklin Electric2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Liberty Pumps2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Grundfos1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- DAB0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about submersible pump brands
5 answers
Asked ChatGPT
“Which submersible pump brand should I buy?”
Asked ChatGPT
“What are the best submersible pump brands?”
Asked ChatGPT
“What's the best submersible pump brand for water removal?”
Searched Google, AI Overview
“submersible water pump”
Searched Google, AI Overview
“sump pump”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Grundfos or Zoeller more popular in search?
This chart shows how often people search Google for Grundfos and Zoeller by name. Each line represents a brand's share of searches for all five submersible pump brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Grundfos, Zoeller. The figures are in the table below the chart.
View monthly share of searches table
| Month | Grundfos | Franklin Electric | DAB | Liberty Pumps | Zoeller |
|---|---|---|---|---|---|
| Oct 2025 | 80.3% | 7.2% | 5.9% | 4% | 2.6% |
| Nov 2025 | 77% | 8.4% | 6.9% | 4.6% | 3.1% |
| Dec 2025 | 79.6% | 7.1% | 5.9% | 4.8% | 2.6% |
| Jan 2026 | 80.4% | 7.2% | 5.7% | 4% | 2.6% |
| Feb 2026 | 77.5% | 8.5% | 6.8% | 4.7% | 2.5% |
| Mar 2026 | 75.6% | 8.3% | 6.8% | 5.5% | 3.7% |
| Apr 2026 | 74.9% | 10.1% | 6.6% | 5.5% | 3% |
| May 2026 | 77.5% | 8.5% | 6.8% | 4.6% | 2.5% |
| Jun 2026 | 77% | 8.5% | 6.8% | 4.6% | 3.1% |
| Jul 2026 | 73.3% | 9.8% | 7.9% | 5.4% | 3.6% |
| Aug 2026 | 73.3% | 9.8% | 6.7% | 6.6% | 3.6% |
| Sep 2026 | 76.6% | 8.4% | 6.8% | 5.6% | 2.5% |
How has the Grundfos and Zoeller comparison changed over the last 12 months?
3 findings
- Grundfos was ahead of Zoeller in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Grundfos’ share of searches among submersible pump brands worldwide moved from 80.3% to 76.6%, and its estimated monthly branded searches moved from 201K to 165K.
- Across the 12 months ending September 2026, Zoeller’s share of searches among submersible pump brands worldwide moved from 2.6% to 2.5%, and its estimated monthly branded searches moved from 6.6K to 5.4K.
How did search popularity change for submersible pump brands worldwide in September 2026?
2 changes
In September 2026, Grundfos gained share of searches among submersible pump brands worldwide, from 73.3% to 76.6%.
In September 2026, Zoeller lost share of searches among submersible pump brands worldwide, from 3.6% to 2.5%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Grundfos’ and Zoeller’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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