APEC Water Systems vs LG:Which is more popular?
In September 2026, LG had more branded searches than APEC Water Systems among water purifier brands worldwide. LG had about 18,100 branded searches, while APEC Water Systems had 9,900. LG made up 3.6% 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, APEC Water Systems appeared in three of the five answers and LG in none.
Who do people search for more?
LG, about 83% more searches than APEC Water Systems
Who does AI mention more?
APEC Water Systems, mentioned in 3 of 5 answers, LG in 0
Who does AI recommend more?
APEC Water Systems, the only one of the two named
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Top water purifier brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and 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. LG did not appear in any of the five answers.
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 LG more popular in search?
This chart shows how often people search Google for APEC Water Systems and LG 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 LG, 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 LG comparison changed over the last 12 months?
3 findings
- LG 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, LG’s share of searches among water purifier brands worldwide moved from 4.4% to 3.6%, and its estimated monthly branded searches moved from 22.2K to 18.1K.
How did search popularity change for water purifier brands worldwide in September 2026?
1 change
Estimated monthly branded searches for LG worldwide fell 18.5% over 12 measured months, from 22.2K to 18.1K 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 LG’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
LG
1 branded search term
- lg com
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