Brandwave

Hot water brands:Which brands are most popular in search?

In August 2026, Bosch was the most searched among hot water brands worldwide, with an estimated 206K branded searches and 48% estimated Share of Search within this set. 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%

Follow hot water brands 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

Track your brand in this set →

Share of SearchLeaderboard

Compare the hot water cylinder brands people buy. 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.

Share of Search among 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—————

This month’s ranking, August 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. 4.Stiebel Eltron

    17.2%

    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 leading brands

Which brand is most popular in search among hot water brands worldwide?

In August 2026, Bosch was the most searched among hot water brands worldwide, with an estimated 206K branded searches and 48% estimated Share of Search within this set. Rheem is in 2nd place, 30.8 percentage points behind at 17.2% Share of Search.

Global hot water brands, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Bosch46.4% → 48%48%Aug 202637.1%Feb 20261st
Rheem16.6% → 17.2%19.5%Jun 202616.5%Jan 20263rd → 2nd
Rinnai16.6% → 17.2%20.2%Jan 202615.9%Jun 20264th → 3rd
Stiebel Eltron20.2% → 17.2%24.6%Jan 202617.2%Aug 20262nd → 4th
Dux0.29% → 0.23%0.29%Oct 20250.22%Dec 20255th

Each finding as a sentence

  • Across the 11 months ending August 2026, Bosch’s estimated Share of Search among hot water brands worldwide increased from 46.4% to 48%.
  • Across the 11 months ending August 2026, Rheem’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 increased from 16.6% to 17.2%.
  • Across the 11 months ending August 2026, Stiebel Eltron’s estimated Share of Search among hot water brands worldwide decreased from 20.2% to 17.2%.
  • Across the 11 months ending August 2026, Bosch’s estimated Share of Search among hot water brands worldwide peaked at 48% in August 2026 and was lowest at 37.1% in February 2026.
  • Across the 11 months ending August 2026, Rheem’s estimated Share of Search among hot water brands worldwide peaked at 19.5% in June 2026 and was lowest at 16.5% in January 2026.
  • 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, Stiebel Eltron’s estimated Share of Search among hot water brands worldwide peaked at 24.6% in January 2026 and was lowest at 17.2% in August 2026.
  • Across the 11 months ending August 2026, Rheem rose from 3rd to 2nd among hot water brands worldwide.
  • Across the 11 months ending August 2026, Rinnai rose from 4th to 3rd among hot water brands worldwide.
  • Across the 11 months ending August 2026, Stiebel Eltron fell from 2nd to 4th among hot water brands worldwide.
  • Across the 11 months ending August 2026, Dux held steady: its estimated Share of Search among hot water brands worldwide moved less than 0.5 percentage points.

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.

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

See your own brand in this picture

Brandwave tracks your branded demand next to your campaigns, spend and outcomes, so you can see what moved your numbers, not just that they moved.

Start free