--- title: "A. O. Smith vs Stiebel Eltron: Which is searched more?" description: "Is A. O. Smith or Stiebel Eltron more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Heat pump water heating brands set worldwide. 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/global-en/compare/ao-smith-vs-stiebel-eltron" publisher: "Brandwave" --- # A. O. Smith vs Stiebel Eltron: Which is searched more? Is A. O. Smith or Stiebel Eltron more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Heat pump water heating brands set worldwide. 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**: A. O. Smith and Stiebel Eltron - **Competitive set**: Heat pump water heating brands - **Market**: Global - **Month measured**: Sep 2026 - **A. O. Smith Share of Search**: 33.8% - **Stiebel Eltron Share of Search**: 30.3% ## Is A. O. Smith or Stiebel Eltron more popular in search? - In September 2026, A. O. Smith had more branded searches than Stiebel Eltron among heat pump water heating brands worldwide. A. O. Smith had about 82,600 branded searches, while Stiebel Eltron had 74,000. A. O. Smith made up 33.8% of all heat pump water heating brand searches we track, and Stiebel Eltron accounted for 30.3%. - The lead changed hands 2 times in the 12 months ending September 2026: Stiebel Eltron took it in February 2026, A. O. Smith took it in April 2026. - Across the 12 months ending September 2026, A. O. Smith’s share of searches among heat pump water heating brands worldwide moved from 34.5% to 33.8%, and its estimated monthly branded searches moved from 101K to 82.6K. - Across the 12 months ending September 2026, Stiebel Eltron’s share of searches among heat pump water heating brands worldwide moved from 30.9% to 30.3%, and its estimated monthly branded searches moved from 90.5K to 74K. ## Top heat pump water heating brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, A. O. Smith was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Stiebel Eltron was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. A. O. Smith was listed before Stiebel Eltron in every answer. 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 | | --- | --- | --- | --- | --- | | Rheem | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | A. O. Smith | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Bradford White | 3rd | 3 of 3 | 0 of 2 | 3 of 5 | | Stiebel Eltron | 4th | 1 of 3 | 0 of 2 | 1 of 5 | | SandenTherm | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about heat pump water heating brands - Asked ChatGPT "Which heat pump water heating brand should I buy?": 1. Rheem, 2. A. O. Smith, 3. Bradford White - Asked ChatGPT "What are the best heat pump water heating brands?": 1. Rheem, 2. A. O. Smith, 3. Bradford White, 4. Stiebel Eltron - Asked ChatGPT "What's the best heat pump water heating brand for efficient hot water?": 1. Rheem, 2. A. O. Smith, 3. Bradford White - Searched Google, AI Overview "heat pump water heater": 1. Rheem, 2. A. O. Smith - Searched Google, AI Overview "hot water heat pump": 1. Rheem Not named in any answer: SandenTherm. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for heat pump water heating brands worldwide in September 2026? - In September 2026, Stiebel Eltron overtook Rheem to rank 2nd among heat pump water heating brands worldwide, with 30.3% of the searches. - In September 2026, A. O. Smith gained share of searches among heat pump water heating brands worldwide, from 32.7% to 33.8%. ## Month by month | Month | A. O. Smith estimated searches | A. O. Smith Share of Search | A. O. Smith rank | Stiebel Eltron estimated searches | Stiebel Eltron Share of Search | Stiebel Eltron rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 101K | 34.5% | 1 | 90.5K | 30.9% | 2 | | Nov 2025 | 101K | 34.5% | 1 | 90.5K | 30.9% | 2 | | Dec 2025 | 110K | 38.6% | 1 | 74K | 26% | 3 | | Jan 2026 | 110K | 33.6% | 1 | 110K | 33.6% | 2 | | Feb 2026 | 90K | 32% | 2 | 90.5K | 32.1% | 1 | | Mar 2026 | 90K | 32% | 2 | 90.5K | 32.1% | 1 | | Apr 2026 | 82.6K | 32.1% | 1 | 74K | 28.7% | 3 | | May 2026 | 82.6K | 32.7% | 1 | 74K | 29.3% | 3 | | Jun 2026 | 82.6K | 32.7% | 1 | 74K | 29.3% | 3 | | Jul 2026 | 82.6K | 32.7% | 1 | 74K | 29.3% | 3 | | Aug 2026 | 82.6K | 32.7% | 1 | 74K | 29.3% | 3 | | Sep 2026 | 82.6K | 33.8% | 1 | 74K | 30.3% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using A. O. Smith’s and Stiebel Eltron’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. - **A. O. Smith**: Measured on the search terms “a o smith” and “ao smith water heater”, summed into one figure. - **Stiebel Eltron**: Measured on the search term “stiebel eltron”. - [A. O. Smith profile](/demand/global-en/brands/ao-smith) - [Stiebel Eltron profile](/demand/global-en/brands/stiebel-eltron) - [All heat pump water heating brands worldwide](/demand/global-en/categories/heat-pump-water-heating-brands): The set both shares are measured inside, 5 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 A. O. Smith or Stiebel Eltron more popular in search? In September 2026, A. O. Smith had more branded searches than Stiebel Eltron among heat pump water heating brands worldwide. A. O. Smith had about 82,600 branded searches, while Stiebel Eltron had 74,000. A. O. Smith made up 33.8% of all heat pump water heating brand searches we track, and Stiebel Eltron accounted for 30.3%. ## Cite this page Brandwave. "A. O. Smith vs Stiebel Eltron: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/ao-smith-vs-stiebel-eltron This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/ao-smith-vs-stiebel-eltron. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.