GreenStuf vs Terra Lana:Which is more popular in New Zealand?
In October 2026, Terra Lana had more branded searches than GreenStuf among insulation brands in New Zealand. Terra Lana had about 530 branded searches, while GreenStuf had 370. Terra Lana made up 10% of all insulation brand searches we track, and GreenStuf accounted for 7%. When we asked ChatGPT and Google AI Overviews about insulation brands, GreenStuf appeared in three of the four answers and Terra Lana in one. GreenStuf was mentioned before Terra Lana in every answer.
Who do people search for more?
Terra Lana, about 43% more searches than GreenStuf
Who does AI mention more?
GreenStuf, mentioned in 3 of 4 answers, Terra Lana in 1
Who does AI recommend more?
GreenStuf, named ahead of Terra Lana in every answer
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Top insulation brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, GreenStuf was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Terra Lana was mentioned in one out of four: in one of the three ChatGPT answers, but not in the Google AI Overview. GreenStuf was listed before Terra Lana in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Pink Batts1st
Mammoth1st- GreenStuf3rd
Knauf Insulation4th- Terra Lana5th
Bradford Insulation6th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Pink Batts3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Mammoth3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- GreenStuf3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Knauf Insulation1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Terra Lana1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Bradford Insulation1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
See every answer about insulation brands
4 answers
Asked ChatGPT
“Which insulation brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best insulation brands in New Zealand?”
Asked ChatGPT
“What's the best insulation brand in New Zealand for a warm home?”
Searched Google, AI Overview
“insulation for house”
Searched Google, AI Overview
“ceiling insulation nz”
Google showed no AI Overview for this search.
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is GreenStuf or Terra Lana more popular in search?
This chart shows how often people search Google for GreenStuf and Terra Lana by name. Each line represents a brand's share of searches for all six insulation brands we track, month by month, from searches in New Zealand.
Share of searches by month for Terra Lana, GreenStuf. The figures are in the table below the chart.
View monthly share of searches table
| Month | Pink Batts | Mammoth | Knauf Insulation | Terra Lana | GreenStuf | Bradford Insulation |
|---|---|---|---|---|---|---|
| Nov 2025 | 51% | 16.8% | 11.4% | 11.4% | 8.3% | 1.1% |
| Dec 2025 | 50.5% | 15.8% | 11.5% | 11% | 10.2% | 1% |
| Jan 2026 | 51.6% | 16.3% | 11.5% | 10.6% | 8.7% | 1.3% |
| Feb 2026 | 49.3% | 18.8% | 10.8% | 12.2% | 8% | 0.8% |
| Mar 2026 | 52.4% | 16.8% | 11.3% | 10.7% | 8% | 0.87% |
| Apr 2026 | 51% | 18.3% | 10.9% | 10.4% | 8.6% | 0.77% |
| May 2026 | 47.9% | 18.5% | 12.1% | 13.2% | 7.4% | 0.83% |
| Jun 2026 | 49.2% | 16.3% | 12.6% | 12.6% | 8.7% | 0.69% |
| Jul 2026 | 50.4% | 17.5% | 12.4% | 11% | 8.1% | 0.67% |
| Aug 2026 | 51% | 17.6% | 10.7% | 11.3% | 8.7% | 0.73% |
| Sep 2026 | 52.1% | 16.4% | 11.3% | 11.1% | 8.4% | 0.71% |
| Oct 2026 | 53.8% | 17.5% | 11.1% | 10% | 7% | 0.75% |
How has branded search for GreenStuf and Terra Lana changed in New Zealand over the last 12 months?
3 findings
- Terra Lana was ahead of GreenStuf in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, GreenStuf’s share of searches among insulation brands in New Zealand moved from 8.3% to 7%, and its estimated monthly branded searches moved from 450 to 370.
- Across the 12 months ending October 2026, Terra Lana’s share of searches among insulation brands in New Zealand moved from 11.4% to 10%, and its estimated monthly branded searches moved from 620 to 530.
How did search popularity change for New Zealand insulation brands in October 2026?
2 changes
In October 2026, GreenStuf lost share of searches among insulation brands in New Zealand, from 8.4% to 7%.
In October 2026, Terra Lana lost share of searches among insulation brands in New Zealand, from 11.1% to 10%.
How are GreenStuf’s and Terra Lana’s branded searches counted?
11 search terms
Brandwave collects information about searches that people make online using GreenStuf’s and Terra Lana’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.
GreenStuf
6 branded search terms
- autex greenstuf
- greenstuf
- greenstuf batts
- greenstuf ceiling insulation
- greenstuf insulation
- greenstuf underfloor insulation
Terra Lana
5 branded search terms
- terra lana
- terra lana batts
- terra lana insulation
- terra lana products
- terra lana wool
Other head-to-heads among insulation brands
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