---
title: "Boiler brands in the United Kingdom: Which are searched most?"
description: "Compare the boiler brands people in the UK have installed. Share of Search among Worcester Bosch, Ideal, Vaillant, Baxi and Viessmann, the boiler brands Brandwave compares in the United Kingdom, using the same methodology, market, and reporting period. 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/uk/categories/uk-boiler-brands"
publisher: "Brandwave"
---

# Boiler brands in the United Kingdom: Which are searched most?

Compare the boiler brands people in the UK have installed. Share of Search among Worcester Bosch, Ideal, Vaillant, Baxi and Viessmann, the boiler brands Brandwave compares in the United Kingdom, using the same methodology, market, and reporting period. 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

- **Competitive set**: Boiler brands
- **Market**: United Kingdom
- **Brands compared**: 5
- **Month measured**: Sep 2026
- **Highest Share of Search**: Worcester Bosch, 33%

## Which brand is most popular in search among boiler brands in the United Kingdom?

- In September 2026, Worcester Bosch was the most searched among boiler brands in the United Kingdom, with an estimated 14.8K branded searches, 33% of all searches for the five we track.
- Ideal is in 2nd place, 6 percentage points behind at 27%.
- Across the 12 months ending September 2026, Worcester Bosch’s share of searches among boiler brands in the United Kingdom increased from 30.5% to 33%.
- Across the 12 months ending September 2026, Ideal’s share of searches among boiler brands in the United Kingdom decreased from 30.5% to 27%.
- Across the 12 months ending September 2026, Vaillant’s share of searches among boiler brands in the United Kingdom increased from 20.4% to 22.1%.
- Across the 12 months ending September 2026, Baxi’s share of searches among boiler brands in the United Kingdom decreased from 11.1% to 9.8%.
- Across the 12 months ending September 2026, Viessmann’s share of searches among boiler brands in the United Kingdom increased from 7.4% to 8%.
- Across the 12 months ending September 2026, Worcester Bosch’s share of searches among boiler brands in the United Kingdom peaked at 36.3% in June 2026 and was lowest at 29.2% in January 2026.
- Across the 12 months ending September 2026, Ideal’s share of searches among boiler brands in the United Kingdom peaked at 35.6% in January 2026 and was lowest at 24.1% in July 2026.
- Across the 12 months ending September 2026, Vaillant’s share of searches among boiler brands in the United Kingdom peaked at 22.1% in August 2026 and was lowest at 17.7% in December 2025.
- Across the 12 months ending September 2026, Baxi’s share of searches among boiler brands in the United Kingdom peaked at 13.1% in July 2026 and was lowest at 8.7% in January 2026.
- Across the 12 months ending September 2026, Viessmann’s share of searches among boiler brands in the United Kingdom peaked at 9.4% in May 2026 and was lowest at 7.1% in January 2026.
- Across the 12 months ending September 2026, Worcester Bosch rose from 2nd to 1st among boiler brands in the United Kingdom.
- Across the 12 months ending September 2026, Ideal fell from 1st to 2nd among boiler brands in the United Kingdom.

## Top boiler brands in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and one Google AI Overview, Worcester Bosch and Vaillant appeared every time. Worcester Bosch was recommended most often, coming first in every answer. Vaillant was second, and Viessmann was third.

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 |
| --- | --- | --- | --- | --- |
| Worcester Bosch | 1st | 3 of 3 | 1 of 1 | 4 of 4 |
| Vaillant | 2nd | 3 of 3 | 1 of 1 | 4 of 4 |
| Viessmann | 3rd | 3 of 3 | 0 of 1 | 3 of 4 |
| Ideal | 4th | 3 of 3 | 0 of 1 | 3 of 4 |
| Baxi | 5th | 1 of 3 | 0 of 1 | 1 of 4 |

## Every AI answer about boiler brands

- Asked ChatGPT "Which boiler brand should I get in the UK?": 1. Worcester Bosch, 2. Vaillant, 3. Viessmann, 4. Ideal
- Asked ChatGPT "What are the best boiler brands in the UK?": 1. Worcester Bosch, 2. Vaillant, 3. Viessmann, 4. Ideal, 5. Baxi
- Asked ChatGPT "What's the most reliable combi boiler brand in the UK?": 1. Worcester Bosch, 2. Vaillant, 3. Viessmann, 4. Ideal
- Searched Google, AI Overview "new boiler": 1. Worcester Bosch, 2. Vaillant

Brands are listed in the order each answer named them. The answers were collected in United Kingdom on October 22, 2026.

## Compare search popularity between leading brands

- [Worcester Bosch vs Ideal: compare search popularity](/demand/uk/compare/ideal-heating-vs-worcester-bosch): 33% against 27% Share of Search.
- [Worcester Bosch vs Vaillant: compare search popularity](/demand/uk/compare/vaillant-vs-worcester-bosch): 33% against 22.1% Share of Search.
- [Worcester Bosch vs Baxi: compare search popularity](/demand/uk/compare/baxi-vs-worcester-bosch): 33% against 9.8% Share of Search.
- [Worcester Bosch vs Viessmann: compare search popularity](/demand/uk/compare/viessmann-vs-worcester-bosch): 33% against 8% Share of Search.
- [Ideal vs Vaillant: compare search popularity](/demand/uk/compare/ideal-heating-vs-vaillant): 27% against 22.1% Share of Search.
- [Ideal vs Baxi: compare search popularity](/demand/uk/compare/baxi-vs-ideal-heating): 27% against 9.8% Share of Search.
- [Ideal vs Viessmann: compare search popularity](/demand/uk/compare/ideal-heating-vs-viessmann): 27% against 8% Share of Search.
- [Vaillant vs Baxi: compare search popularity](/demand/uk/compare/baxi-vs-vaillant): 22.1% against 9.8% Share of Search.
- [Vaillant vs Viessmann: compare search popularity](/demand/uk/compare/vaillant-vs-viessmann): 22.1% against 8% Share of Search.
- [Baxi vs Viessmann: compare search popularity](/demand/uk/compare/baxi-vs-viessmann): 9.8% against 8% Share of Search.

## How did search popularity change for United Kingdom boiler brands in September 2026?

- Worcester Bosch’s share of searches among boiler brands in the United Kingdom has lost ground for 3 months in a row, from 36.3% to 33% in September 2026.
- Estimated monthly branded searches for Baxi in the United Kingdom fell 45.7% over 12 measured months, from 8.1K to 4.4K in September 2026.
- Estimated monthly branded searches for Ideal in the United Kingdom fell 45.5% over 12 measured months, from 22.2K to 12.1K in September 2026.
- Estimated monthly branded searches for Viessmann in the United Kingdom fell 33.3% over 12 measured months, from 5.4K to 3.6K in September 2026.
- Estimated monthly branded searches for Vaillant in the United Kingdom fell 33.1% over 12 measured months, from 14.8K to 9.9K in September 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Worcester Bosch | 33% | 14.8K | +22.3% | Worcester Bosch |
| 2 | Ideal | 27% | 12.1K | +22.2% | Ideal |
| 3 | Vaillant | 22.1% | 9.9K | +22.2% | Vaillant |
| 4 | Baxi | 9.8% | 4.4K | +22.2% | Baxi |
| 5 | Viessmann | 8% | 3.6K | +24.1% | Viessmann |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Ideal | 22.2K | 30.5% | 1 |
| Oct 2025 | Worcester Bosch | 22.2K | 30.5% | 2 |
| Oct 2025 | Vaillant | 14.8K | 20.4% | 3 |
| Oct 2025 | Baxi | 8.1K | 11.1% | 4 |
| Oct 2025 | Viessmann | 5.4K | 7.4% | 5 |
| Nov 2025 | Ideal | 22.2K | 31.2% | 1 |
| Nov 2025 | Worcester Bosch | 22.2K | 31.2% | 2 |
| Nov 2025 | Vaillant | 14.8K | 20.8% | 3 |
| Nov 2025 | Baxi | 6.6K | 9.3% | 4 |
| Nov 2025 | Viessmann | 5.4K | 7.6% | 5 |
| Dec 2025 | Ideal | 18.1K | 32.4% | 1 |
| Dec 2025 | Worcester Bosch | 18.1K | 32.4% | 2 |
| Dec 2025 | Vaillant | 9.9K | 17.7% | 3 |
| Dec 2025 | Baxi | 5.4K | 9.7% | 4 |
| Dec 2025 | Viessmann | 4.4K | 7.9% | 5 |
| Jan 2026 | Ideal | 27.1K | 35.6% | 1 |
| Jan 2026 | Worcester Bosch | 22.2K | 29.2% | 2 |
| Jan 2026 | Vaillant | 14.8K | 19.4% | 3 |
| Jan 2026 | Baxi | 6.6K | 8.7% | 4 |
| Jan 2026 | Viessmann | 5.4K | 7.1% | 5 |
| Feb 2026 | Ideal | 18.1K | 32.4% | 1 |
| Feb 2026 | Worcester Bosch | 18.1K | 32.4% | 2 |
| Feb 2026 | Vaillant | 9.9K | 17.7% | 3 |
| Feb 2026 | Baxi | 5.4K | 9.7% | 4 |
| Feb 2026 | Viessmann | 4.4K | 7.9% | 5 |
| Mar 2026 | Ideal | 18.1K | 32.4% | 1 |
| Mar 2026 | Worcester Bosch | 18.1K | 32.4% | 2 |
| Mar 2026 | Vaillant | 9.9K | 17.7% | 3 |
| Mar 2026 | Baxi | 5.4K | 9.7% | 4 |
| Mar 2026 | Viessmann | 4.4K | 7.9% | 5 |
| Apr 2026 | Worcester Bosch | 14.8K | 34.4% | 1 |
| Apr 2026 | Ideal | 12.1K | 28.1% | 2 |
| Apr 2026 | Vaillant | 8.1K | 18.8% | 3 |
| Apr 2026 | Baxi | 4.4K | 10.2% | 4 |
| Apr 2026 | Viessmann | 3.6K | 8.4% | 5 |
| May 2026 | Worcester Bosch | 12.1K | 31.8% | 1 |
| May 2026 | Ideal | 9.9K | 26% | 2 |
| May 2026 | Vaillant | 8.1K | 21.3% | 3 |
| May 2026 | Baxi | 4.4K | 11.5% | 4 |
| May 2026 | Viessmann | 3.6K | 9.4% | 5 |
| Jun 2026 | Worcester Bosch | 14.8K | 36.3% | 1 |
| Jun 2026 | Ideal | 9.9K | 24.3% | 2 |
| Jun 2026 | Vaillant | 8.1K | 19.9% | 3 |
| Jun 2026 | Baxi | 4.4K | 10.8% | 4 |
| Jun 2026 | Viessmann | 3.6K | 8.8% | 5 |
| Jul 2026 | Worcester Bosch | 12.1K | 36% | 1 |
| Jul 2026 | Ideal | 8.1K | 24.1% | 2 |
| Jul 2026 | Vaillant | 6.6K | 19.6% | 3 |
| Jul 2026 | Baxi | 4.4K | 13.1% | 4 |
| Jul 2026 | Viessmann | 2.4K | 7.1% | 5 |
| Aug 2026 | Worcester Bosch | 12.1K | 33.1% | 1 |
| Aug 2026 | Ideal | 9.9K | 27% | 2 |
| Aug 2026 | Vaillant | 8.1K | 22.1% | 3 |
| Aug 2026 | Baxi | 3.6K | 9.8% | 4 |
| Aug 2026 | Viessmann | 2.9K | 7.9% | 5 |
| Sep 2026 | Worcester Bosch | 14.8K | 33% | 1 |
| Sep 2026 | Ideal | 12.1K | 27% | 2 |
| Sep 2026 | Vaillant | 9.9K | 22.1% | 3 |
| Sep 2026 | Baxi | 4.4K | 9.8% | 4 |
| Sep 2026 | Viessmann | 3.6K | 8% | 5 |

## What is being compared

- **Baxi**: Measured on the search term “baxi”.
- **Ideal**: Measured on the search terms “ideal boiler” and “ideal boilers”, summed into one figure.
- **Vaillant**: Measured on the search term “vaillant”.
- **Viessmann**: Measured on the search term “viessmann”.
- **Worcester Bosch**: Measured on the search term “worcester bosch”.

- [Baxi](/demand/uk/brands/baxi)
- [Ideal](/demand/uk/brands/ideal-heating)
- [Vaillant](/demand/uk/brands/vaillant)
- [Viessmann](/demand/uk/brands/viessmann)
- [Worcester Bosch](/demand/uk/brands/worcester-bosch)

## 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

### Which brand is most popular in search among boiler brands in the United Kingdom?

In September 2026, Worcester Bosch was the most searched among boiler brands in the United Kingdom, with an estimated 14.8K branded searches, 33% of all searches for the five we track.

## Cite this page

Brandwave. "Boiler brands in the United Kingdom: Which are searched most?". https://gobrandwave.com/demand/uk/categories/uk-boiler-brands

This page is also available as HTML at https://gobrandwave.com/demand/uk/categories/uk-boiler-brands. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.