--- title: "Navien: search popularity worldwide" description: "Navien makes tankless water heaters and boilers. 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/brands/navien" publisher: "Brandwave" --- # Navien: search popularity worldwide Navien makes tankless water heaters and boilers. 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**: Navien - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among tankless water heater brands**: 72.9% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Tankless water heater brands | 1 | 72.9% | 57.7K | - [Tankless water heater brands](/demand/global-en/categories/tankless-water-heater-brands) ## Top tankless water heater brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Navien was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Navien is the second most recommended of the six. 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 | | --- | --- | --- | --- | --- | | Rinnai | 1st | 2 of 3 | 1 of 2 | 3 of 5 | | Navien | 2nd | 2 of 3 | 1 of 2 | 3 of 5 | | Rheem | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Noritz | 4th | 1 of 3 | 0 of 2 | 1 of 5 | | Takagi | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | EcoSmart | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about tankless water heater brands - Asked ChatGPT "What's the best tankless water heater?": 1. Rinnai, 2. Navien, 3. Rheem - Asked ChatGPT "Which tankless water heater brand is most reliable?": 1. Rinnai, 2. Noritz, 3. Navien, 4. Rheem - Asked ChatGPT "Should I get a gas or electric tankless water heater?": named none of the brands we track - Searched Google, AI Overview "tankless water heater": named none of the brands we track - Searched Google, AI Overview "best tankless water heater": 1. Rinnai, 2. Navien, 3. Rheem Not named in any answer: Takagi and EcoSmart. Brands are listed in the order each answer named them. The answers were collected in the United States on October 27, 2026. ## How has branded search demand for Navien changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Navien worldwide fell from 74.6K to 57.7K. - Across the 12 months ending September 2026, Navien’s share of searches among tankless water heater brands worldwide increased from 68.8% to 72.9%. - Across the 12 months ending September 2026, Navien’s share of searches among tankless water heater brands worldwide peaked at 72.9% in September 2026 and was lowest at 53.7% in May 2026. ## How did search popularity change for tankless water heater brands worldwide in September 2026? - In September 2026, Navien gained share of searches among tankless water heater brands worldwide, from 67.2% to 72.9%. - In September 2026, Rheem lost share of searches among tankless water heater brands worldwide, from 20% to 15.3%. - Estimated monthly branded searches for Takagi worldwide fell 34.5% over 12 measured months, from 2.9K to 1.9K in September 2026. - Estimated monthly branded searches for EcoSmart worldwide fell 18.6% over 12 measured months, from 590 to 480 in September 2026. - Estimated monthly branded searches for Noritz worldwide fell 18.2% over 12 measured months, from 6.6K to 5.4K in September 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Tankless water heater brands | 74.6K | 68.8% | 1 | | Nov 2025 | Tankless water heater brands | 74.1K | 71.1% | 1 | | Dec 2025 | Tankless water heater brands | 74.1K | 64.1% | 1 | | Jan 2026 | Tankless water heater brands | 85.6K | 64.4% | 1 | | Feb 2026 | Tankless water heater brands | 74.6K | 68.7% | 1 | | Mar 2026 | Tankless water heater brands | 81K | 67.4% | 1 | | Apr 2026 | Tankless water heater brands | 61K | 58.6% | 1 | | May 2026 | Tankless water heater brands | 49.8K | 53.7% | 1 | | Jun 2026 | Tankless water heater brands | 49.8K | 67.4% | 1 | | Jul 2026 | Tankless water heater brands | 57.2K | 67.2% | 1 | | Aug 2026 | Tankless water heater brands | 49.8K | 67.2% | 1 | | Sep 2026 | Tankless water heater brands | 57.7K | 72.9% | 1 | ## How are Navien’s branded searches counted? Brandwave collects information about searches that people make online using Navien’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading. - “navien” - “navien tankless” - “navien tankless water heater” ## Which tankless water heater brands compete with Navien? - [Rheem](/demand/global-en/brands/rheem): Head-to-head: /demand/global-en/compare/navien-vs-rheem - [Noritz](/demand/global-en/brands/noritz): Head-to-head: /demand/global-en/compare/navien-vs-noritz - [Takagi](/demand/global-en/brands/takagi): Head-to-head: /demand/global-en/compare/navien-vs-takagi - [Rinnai](/demand/global-en/brands/rinnai): Head-to-head: /demand/global-en/compare/navien-vs-rinnai - [EcoSmart](/demand/global-en/brands/ecosmart): Head-to-head: /demand/global-en/compare/ecosmart-vs-navien ## 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. "Navien: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/navien This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/navien. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.