Brandwave

How popular isRinnai in search?

In August 2026, there were an estimated 74K branded searches for Rinnai worldwide which held steady over the last 11 months. Rinnai holds 17.2% estimated Share of Search among hot water brands worldwide and is ranked 3rd of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Bosch48%
  2. Rheem17.2%
  3. Rinnai17.2%
  4. Stiebel Eltron17.2%
  5. Dux0.23%
Rinnai website (opens in a new tab)

Follow Rinnai and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Which hot water brands compete with Rinnai?

Rinnai against hot water brands worldwide, by month

Share of Search by month for Bosch, Rheem, Rinnai, Stiebel Eltron. The figures are in the table below the chart.

View monthly share of search table
MonthBoschRheemRinnaiStiebel EltronDux
Oct 202546.4%16.6%16.6%20.2%0.29%
Nov 202541.7%18%18%22%0.24%
Dec 202543.5%18.8%18.8%18.8%0.22%
Jan 202638.4%16.5%20.2%24.6%0.22%
Feb 202637.1%19.4%19.4%23.8%0.26%
Mar 202641.7%18%18%22%0.24%
Apr 202643.4%18.8%18.8%18.8%0.25%
May 202643.4%18.8%18.8%18.8%0.25%
Jun 202644.8%19.5%15.9%19.5%0.26%
Jul 202644.8%19.5%15.9%19.5%0.26%
Aug 202648%17.2%17.2%17.2%0.23%
Sep 2026—————
  1. 1.Bosch

    48%

    Held 1st. 206K estimated branded searches, +21.2% vs prior month. Share +3.2 points.

  2. 2.Rheem

    17.2%

    Held 2nd. 74K estimated branded searches, 0% vs prior month. Share -2.2 points.

  3. 3.Rinnai

    17.2%

    Moved from 4th to 3rd. 74K estimated branded searches, +22.3% vs prior month. Share +1.3 points.

  4. Moved from 3rd to 4th. 74K estimated branded searches, 0% vs prior month. Share -2.2 points.

  5. 5.Dux

    0.23%

    Held 5th. 1K estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between Rinnai and its closest rivals

How has branded search demand for Rinnai changed worldwide over the last 12 months?

  • Across the 11 months ending August 2026, estimated monthly branded searches for Rinnai worldwide held steady at 74K.
  • Across the 11 months ending August 2026, Rinnai’s estimated Share of Search among hot water brands worldwide increased from 16.6% to 17.2%.
  • Across the 11 months ending August 2026, Rinnai’s estimated Share of Search among hot water brands worldwide peaked at 20.2% in January 2026 and was lowest at 15.9% in June 2026.
  • Across the 11 months ending August 2026, Rinnai rose from 4th to 3rd among hot water brands worldwide.

How did search popularity change for hot water brands worldwide in August 2026?

  1. In August 2026, Rinnai overtook Stiebel Eltron to rank 3rd among hot water brands worldwide, at 17.2%.

  2. In August 2026, Bosch gained estimated Share of Search among hot water brands worldwide, from 44.8% to 48%.

  3. In August 2026, Rheem lost estimated Share of Search among hot water brands worldwide, from 19.5% to 17.2%.

  4. In August 2026, Stiebel Eltron lost estimated Share of Search among hot water brands worldwide, from 19.5% to 17.2%.

  5. Estimated monthly branded searches for Dux worldwide fell 23.1% over 11 measured months, from 1.3K to 1K in August 2026.

Where does Rinnai compete?

Rinnai is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of SearchRanking
Hot water brands3rd of 517.2%Shown above
Fireplace brands1st of 588.6%Show ranking

How is Rinnai measured?

Brandwave collects information about searches that people make online using Rinnai’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.

1 branded search term

  • rinnai

Do you work for Rinnai? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

Is Rinnai your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.