---
title: "Altherm vs Nulook: Which is more popular in New Zealand?"
description: "Is Altherm or Nulook more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Window and door companies set in New Zealand. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/nz/compare/altherm-vs-nulook"
publisher: "Brandwave"
---

# Altherm vs Nulook: Which is more popular in New Zealand?

Is Altherm or Nulook more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Window and door companies set in New Zealand. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Altherm and Nulook
- **Competitive set**: Window and door companies
- **Market**: New Zealand
- **Month measured**: Oct 2026
- **Altherm Share of Search**: 19%
- **Nulook Share of Search**: 23.3%

## Is Altherm or Nulook more popular in search?

- In October 2026, Nulook had more branded searches than Altherm among window and door companies in New Zealand. Nulook had about 870 branded searches, while Altherm had 710. Nulook made up 23.3% of all window and door company searches we track, and Altherm accounted for 19%.
- Nulook was ahead of Altherm in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Altherm’s share of searches among window and door companies in New Zealand moved from 21.8% to 19%, and its estimated monthly branded searches moved from 930 to 710.
- Across the 12 months ending October 2026, Nulook’s share of searches among window and door companies in New Zealand moved from 25.1% to 23.3%, and its estimated monthly branded searches moved from 1.1K to 870.

## Top window and door companies in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Altherm was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Nulook was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Altherm was listed before Nulook in two out of three answers.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| First Windows | 1st | 0 of 3 | 2 of 2 | 2 of 5 |
| Vantage Windows & Doors | 2nd | 2 of 3 | 1 of 2 | 3 of 5 |
| Altherm | 3rd | 2 of 3 | 1 of 2 | 3 of 5 |
| Nulook | 4th | 1 of 3 | 1 of 2 | 2 of 5 |
| APL Window Solutions | 5th | 1 of 3 | 0 of 2 | 1 of 5 |
| Rylock | 6th | 1 of 3 | 0 of 2 | 1 of 5 |
| Nebulite | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about window and door companies

- Asked ChatGPT "Which window and door company should I hire in New Zealand?": 1. Altherm, 2. Vantage Windows & Doors
- Asked ChatGPT "What are the best window and door companies in New Zealand?": named none of the brands we track
- Asked ChatGPT "What's the best window and door company in New Zealand for a new build home?": 1. Vantage Windows & Doors, 2. Altherm, 3. APL Window Solutions, 4. Rylock, 5. Nulook
- Searched Google, AI Overview "aluminium windows nz": 1. First Windows, 2. Altherm
- Searched Google, AI Overview "new windows nz": 1. Nulook, 2. First Windows, 3. Vantage Windows & Doors

Not named in any answer: Nebulite.

Brands are listed in the order each answer named them. The answers were collected in New Zealand on October 21, 2026.

## How did search popularity change for New Zealand window and door companies in October 2026?

- In October 2026, Rylock overtook Altherm to rank 2nd among window and door companies in New Zealand, with 22% of the searches.
- In October 2026, Nulook lost share of searches among window and door companies in New Zealand, from 25.7% to 23.3%.
- In October 2026, Altherm lost share of searches among window and door companies in New Zealand, from 20.7% to 19%.

## How has branded search for Altherm and Nulook changed in New Zealand over the last 12 months?

| Month | Altherm estimated searches | Altherm Share of Search | Altherm rank | Nulook estimated searches | Nulook Share of Search | Nulook rank |
| --- | --- | --- | --- | --- | --- | --- |
| Nov 2025 | 930 | 21.8% | 2 | 1.1K | 25.1% | 1 |
| Dec 2025 | 600 | 19.9% | 2 | 740 | 24.6% | 1 |
| Jan 2026 | 960 | 23% | 2 | 980 | 23.4% | 1 |
| Feb 2026 | 910 | 21.5% | 2 | 980 | 23.1% | 1 |
| Mar 2026 | 930 | 20.2% | 3 | 1.1K | 23.2% | 1 |
| Apr 2026 | 700 | 16.6% | 4 | 1.1K | 25.4% | 1 |
| May 2026 | 900 | 21.2% | 2 | 980 | 23.1% | 1 |
| Jun 2026 | 890 | 20.7% | 2 | 980 | 22.8% | 1 |
| Jul 2026 | 820 | 20.6% | 2 | 980 | 24.6% | 1 |
| Aug 2026 | 910 | 21.4% | 2 | 980 | 23.1% | 1 |
| Sep 2026 | 790 | 20.7% | 2 | 980 | 25.7% | 1 |
| Oct 2026 | 710 | 19% | 3 | 870 | 23.3% | 1 |

## How are Altherm’s and Nulook’s branded searches counted?

Brandwave collects information about searches that people make online using Altherm’s and Nulook’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.

- **Altherm**: Measured on the search terms “altherm”, “altherm aluminium”, “altherm doors”, “altherm double glazing”, “altherm joinery”, “altherm west” and “altherm windows”, summed into one figure.
- **Nulook**: Measured on the search terms “nulook” and “nulook windows”, summed into one figure.

- [Altherm profile](/demand/nz/brands/altherm)
- [Nulook profile](/demand/nz/brands/nulook)
- [All window and door companies in New Zealand](/demand/nz/categories/nz-window-and-door-companies): The set both shares are measured inside, 7 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Altherm or Nulook more popular in search?

In October 2026, Nulook had more branded searches than Altherm among window and door companies in New Zealand. Nulook had about 870 branded searches, while Altherm had 710. Nulook made up 23.3% of all window and door company searches we track, and Altherm accounted for 19%.

## Cite this page

Brandwave. "Altherm vs Nulook: Which is more popular in New Zealand?". https://gobrandwave.com/demand/nz/compare/altherm-vs-nulook

This page is also available as HTML at https://gobrandwave.com/demand/nz/compare/altherm-vs-nulook. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
