Cavius vs PSA Lifesaver:Which is more popular?
In September 2026, Cavius had more branded searches than PSA Lifesaver among fire alarm brands in New Zealand. Cavius had about 890 branded searches, while PSA Lifesaver had 10. Cavius made up 80.9% of all fire alarm brand searches we track, and PSA Lifesaver accounted for 0.91%. When we asked ChatGPT and Google AI Overviews about fire alarm brands, Cavius appeared in four of the five answers and PSA Lifesaver in two. Cavius was mentioned before PSA Lifesaver in every answer.
Who do people search for more?
Cavius, about 89 searches for every 1 for PSA Lifesaver
Who does AI mention more?
Cavius, mentioned in 4 of 5 answers, PSA Lifesaver in 2
Who does AI recommend more?
Cavius, named ahead of PSA Lifesaver in every answer
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Top fire alarm brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Cavius was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. PSA Lifesaver was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Cavius was listed before PSA Lifesaver in every answer.
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.
Cavius4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers- PSA Lifesaver2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
ADT0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Kidde0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
First Alert0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ring0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about fire alarm brands
5 answers
Asked ChatGPT
“Which fire alarm brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best fire alarm brands in New Zealand?”
Asked ChatGPT
“What's the best fire alarm brand in New Zealand for home safety?”
Searched Google, AI Overview
“fire alarms nz”
Searched Google, AI Overview
“home fire alarm”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Cavius or PSA Lifesaver more popular in search?
This chart shows how often people search Google for Cavius and PSA Lifesaver by name. Each line represents a brand's share of searches for all six fire alarm brands we track, month by month, from searches in New Zealand.
Share of searches by month for Cavius, PSA Lifesaver. The figures are in the table below the chart.
View monthly share of searches table
| Month | Cavius | ADT | Kidde | First Alert | PSA Lifesaver | Ring |
|---|---|---|---|---|---|---|
| Oct 2025 | 78.1% | 9.6% | 8.8% | 1.8% | 0.88% | 0.88% |
| Nov 2025 | 80.2% | 10.3% | 6.9% | 0.86% | 0.86% | 0.86% |
| Dec 2025 | 84% | 7.5% | 4.7% | 0.94% | 1.9% | 0.94% |
| Jan 2026 | 79.5% | 11.1% | 6.8% | 0.85% | 0.85% | 0.85% |
| Feb 2026 | 73% | 18% | 5.7% | 0.82% | 1.6% | 0.82% |
| Mar 2026 | 73.2% | 16.1% | 8.1% | 1.3% | 0.67% | 0.67% |
| Apr 2026 | 59.3% | 12.7% | 26% | 0.49% | 0.98% | 0.49% |
| May 2026 | 53.7% | 12.8% | 31.5% | 0.99% | 0.49% | 0.49% |
| Jun 2026 | 75.7% | 8.3% | 13.2% | 0.69% | 1.4% | 0.69% |
| Jul 2026 | 85.1% | 7.4% | 5.4% | 0.68% | 0.68% | 0.68% |
| Aug 2026 | 80.2% | 7.6% | 8.4% | 1.5% | 1.5% | 0.76% |
| Sep 2026 | 80.9% | 9.1% | 7.3% | 0.91% | 0.91% | 0.91% |
How has the Cavius and PSA Lifesaver comparison changed over the last 12 months?
3 findings
- Cavius was ahead of PSA Lifesaver in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Cavius’ share of searches among fire alarm brands in New Zealand moved from 78.1% to 80.9%, and its estimated monthly branded searches held steady at 890.
- Across the 12 months ending September 2026, PSA Lifesaver’s share of searches among fire alarm brands in New Zealand moved from 0.88% to 0.91%, and its estimated monthly branded searches held steady at 10.
How did search popularity change for New Zealand fire alarm brands in September 2026?
2 changes

In September 2026, Cavius gained share of searches among fire alarm brands in New Zealand, from 80.2% to 80.9%.
In September 2026, PSA Lifesaver lost share of searches among fire alarm brands in New Zealand, from 1.5% to 0.91%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Cavius’ and PSA Lifesaver’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.
Cavius
2 branded search terms
- cavius
- cavius smoke alarm
PSA Lifesaver
2 branded search terms
- lifesaver smoke alarm
- psa lifesaver
Other head-to-heads among fire alarm brands

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