--- title: "Viessmann: search popularity in the United Kingdom" description: "Viessmann makes boilers and heat pumps. 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/brands/viessmann" publisher: "Brandwave" --- # Viessmann: search popularity in the United Kingdom Viessmann makes boilers and heat pumps. 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 - **Brand**: Viessmann - **Market**: United Kingdom - **Measured month**: Sep 2026 - **Share of Search among boiler brands**: 8% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Boiler brands | 5 | 8% | 3.6K | - [Boiler brands in the UK](/demand/uk/categories/uk-boiler-brands) ## Top boiler brands in ChatGPT and Google AI Overviews In three ChatGPT questions and one Google AI Overview, Viessmann was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Viessmann is the third most recommended of the five. 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. ## How has branded search demand for Viessmann changed in the United Kingdom over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Viessmann in the United Kingdom fell from 5.4K to 3.6K. - 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, 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. ## 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. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Boiler brands | 5.4K | 7.4% | 5 | | Nov 2025 | Boiler brands | 5.4K | 7.6% | 5 | | Dec 2025 | Boiler brands | 4.4K | 7.9% | 5 | | Jan 2026 | Boiler brands | 5.4K | 7.1% | 5 | | Feb 2026 | Boiler brands | 4.4K | 7.9% | 5 | | Mar 2026 | Boiler brands | 4.4K | 7.9% | 5 | | Apr 2026 | Boiler brands | 3.6K | 8.4% | 5 | | May 2026 | Boiler brands | 3.6K | 9.4% | 5 | | Jun 2026 | Boiler brands | 3.6K | 8.8% | 5 | | Jul 2026 | Boiler brands | 2.4K | 7.1% | 5 | | Aug 2026 | Boiler brands | 2.9K | 7.9% | 5 | | Sep 2026 | Boiler brands | 3.6K | 8% | 5 | ## How are Viessmann’s branded searches counted? Brandwave collects information about searches that people make online using Viessmann’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading. - “viessmann” ## Which boiler brands compete with Viessmann? - [Worcester Bosch](/demand/uk/brands/worcester-bosch): Head-to-head: /demand/uk/compare/viessmann-vs-worcester-bosch - [Ideal](/demand/uk/brands/ideal-heating): Head-to-head: /demand/uk/compare/ideal-heating-vs-viessmann - [Vaillant](/demand/uk/brands/vaillant): Head-to-head: /demand/uk/compare/vaillant-vs-viessmann - [Baxi](/demand/uk/brands/baxi): Head-to-head: /demand/uk/compare/baxi-vs-viessmann ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Cite this page Brandwave. "Viessmann: search popularity in the United Kingdom". https://gobrandwave.com/demand/uk/brands/viessmann This page is also available as HTML at https://gobrandwave.com/demand/uk/brands/viessmann. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.