APEC Water Systems vs Aquasana:Which is more popular?
In September 2026, Aquasana had more branded searches than APEC Water Systems among water purifier brands worldwide. Aquasana had about 27,100 branded searches, while APEC Water Systems had 9,900. Aquasana made up 5.4% of all water purifier brand searches we track, and APEC Water Systems accounted for 2%. When we asked ChatGPT and Google AI Overviews about water purifier brands, Aquasana appeared in four of the five answers and APEC Water Systems in three. Aquasana was mentioned before APEC Water Systems in three out of four answers that named either.
Who do people search for more?
Aquasana, about 3 searches for every 1 for APEC Water Systems
Who does AI mention more?
Aquasana, mentioned in 4 of 5 answers, APEC Water Systems in 3
Who does AI recommend more?
Aquasana, named ahead of APEC Water Systems in 3 of 4 answers
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Top water purifier brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Aquasana was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. APEC Water Systems was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Aquasana was listed before APEC Water Systems in three out of four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- AquaTru5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Ro5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Aquasana4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Brita3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
iSpring3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- APEC Water Systems3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Coway0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
LG0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about water purifier brands
5 answers
Asked ChatGPT
“Which water purifier brand should I buy?”
Asked ChatGPT
“What are the best water purifier brands?”
Asked ChatGPT
“What's the best water purifier brand for clean drinking water?”
Searched Google, AI Overview
“best water purifier”
Searched Google, AI Overview
“home water purifier”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is APEC Water Systems or Aquasana more popular in search?
This chart shows how often people search Google for APEC Water Systems and Aquasana by name. Each line represents a brand's share of searches for all eight water purifier brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Aquasana, APEC Water Systems. The figures are in the table below the chart.
View monthly share of searches table
| Month | Brita | Coway | AquaTru | Aquasana | Ro | LG | iSpring | APEC Water Systems |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 40% | 32.8% | 6.6% | 6.6% | 4.4% | 4.4% | 3.2% | 2% |
| Nov 2025 | 38.7% | 31.7% | 9.5% | 6.4% | 3.5% | 5.2% | 3.1% | 1.9% |
| Dec 2025 | 42.2% | 28.4% | 8.5% | 7% | 3.8% | 4.7% | 3.4% | 2.1% |
| Jan 2026 | 38.2% | 31.4% | 7.7% | 7.7% | 5.2% | 4.2% | 3.8% | 1.9% |
| Feb 2026 | 37.2% | 30.4% | 9.1% | 7.5% | 5% | 5% | 3.6% | 2.2% |
| Mar 2026 | 38.8% | 31.8% | 7.8% | 6.4% | 5.2% | 4.3% | 3.8% | 1.9% |
| Apr 2026 | 38.1% | 31.3% | 9.4% | 6.3% | 5.1% | 4.2% | 3.8% | 1.9% |
| May 2026 | 38.5% | 31.6% | 9.5% | 6.3% | 4.2% | 4.2% | 3.8% | 1.9% |
| Jun 2026 | 39.9% | 32.7% | 8% | 5.4% | 4.4% | 4.4% | 3.2% | 2% |
| Jul 2026 | 39.9% | 32.7% | 8% | 5.4% | 4.4% | 4.4% | 3.2% | 2% |
| Aug 2026 | 43.2% | 29% | 8.7% | 5.8% | 4.8% | 3.9% | 2.8% | 1.7% |
| Sep 2026 | 40.2% | 33% | 8.1% | 5.4% | 4.4% | 3.6% | 3.2% | 2% |
How has the APEC Water Systems and Aquasana comparison changed over the last 12 months?
3 findings
- Aquasana was ahead of APEC Water Systems in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, APEC Water Systems’ share of searches among water purifier brands worldwide held steady at 2%, and its estimated monthly branded searches held steady at 9.9K.
- Across the 12 months ending September 2026, Aquasana’s share of searches among water purifier brands worldwide moved from 6.6% to 5.4%, and its estimated monthly branded searches moved from 33.1K to 27.1K.
How did search popularity change for water purifier brands worldwide in September 2026?
1 change
Estimated monthly branded searches for Aquasana worldwide fell 18.1% over 12 measured months, from 33.1K to 27.1K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using APEC Water Systems’ and Aquasana’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.
APEC Water Systems
1 branded search term
- apec water systems
Aquasana
1 branded search term
- aquasana
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