Brandwave

British Gas vs Octopus Energy:Which is more popular?

In September 2026, Octopus Energy had more branded searches than British Gas among heat pump installers in the United Kingdom. Octopus Energy had about 6,600 branded searches, while British Gas had 1,300. Octopus Energy made up 27.8% of all heat pump installer searches we track, and British Gas accounted for 5.5%. When we asked ChatGPT and Google AI Overviews about heat pump installers, Octopus Energy appeared in two of the four answers and British Gas in none.

Among heat pump installers in the United Kingdom in September 2026

Who do people search for more?

Octopus Energy, about 5 searches for every 1 for British Gas

Octopus Energy 6.6K searchesBritish Gas 1.3K searches

Who does AI mention more?

Octopus Energy, mentioned in 2 of 4 answers, British Gas in 0

Octopus Energy in 2 of 4British Gas in 0 of 4

Who does AI recommend more?

Octopus Energy, the only one of the two named

Octopus Energy first in 2British Gas never named

Follow British Gas vs Octopus Energy 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 against a rival →

Top heat pump installers in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Octopus Energy was mentioned in two out of four: in two of the three ChatGPT answers, but not in the Google AI Overview. British Gas did not appear in any of the four answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Octopus Energy1st
  2. Heat Geek2nd
  3. Aira3rd
  4. Heatable4th
  5. British Gas–
  6. EDF–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Heatable2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Octopus Energy2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Heat Geek2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Aira2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • EDF1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • British Gas0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about heat pump installers

4 answers

  • Asked ChatGPT

    “Who is the best heat pump installer in the UK?”

    1. 1Heat Geek
    2. 2Octopus Energy
    3. 3Aira
    4. 4Heatable

  • Asked ChatGPT

    “Which company should I use to install an air source heat pump?”

    1. Asked ChatGPT

      “What are the best companies for heat pump installation in the UK?”

      1. 1Octopus Energy
      2. 2Aira
      3. 3Heat Geek
      4. 4Heatable

    2. Searched Google, AI Overview

      “air source heat pump”

      1. 1EDF

    3. Searched Google, AI Overview

      “heat pump installers”

      Google showed no AI Overview for this search.

    Not named in any answer:

    Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 23, 2026.

    Is British Gas or Octopus Energy more popular in search?

    This chart shows how often people search Google for British Gas and Octopus Energy by name. Each line represents a brand's share of searches for all six heat pump installers we track, month by month, from searches in United Kingdom.

    British Gas and Octopus Energy among heat pump installers in the United Kingdom, by month

    Share of searches by month for Octopus Energy, British Gas. The figures are in the table below the chart.

    View monthly share of searches table
    MonthHeatableOctopus EnergyHeat GeekAiraBritish GasEDF
    Oct 202522.4%27.4%33.5%9.8%4.4%2.4%
    Nov 202525.3%25.3%31.1%11.1%3.8%3.4%
    Dec 202528.4%28.4%28.4%8.4%3.8%2.5%
    Jan 202630.7%30.7%25%7.2%3.8%2.7%
    Feb 202630.5%30.5%24.9%7.4%4.1%2.7%
    Mar 202630%36.6%20%7%3.7%2.7%
    Apr 202634.5%28.1%23%8.1%3.7%2.5%
    May 202635%28.5%23.3%6.9%3.8%2.5%
    Jun 202641.1%27.4%18.3%6.6%4.2%2.4%
    Jul 202637%30.2%20.1%5.9%4%2.7%
    Aug 202630.7%30.7%25.1%6%4.7%2.7%
    Sep 202634.1%27.8%22.8%6.7%5.5%3%

    How has the British Gas and Octopus Energy comparison changed over the last 12 months?

    3 findings

    How did search popularity change for United Kingdom heat pump installers in September 2026?

    2 changes

    1. In September 2026, British Gas gained share of searches among heat pump installers in the United Kingdom, from 4.7% to 5.5%.

    2. In September 2026, Octopus Energy lost share of searches among heat pump installers in the United Kingdom, from 30.7% to 27.8%.

    How are branded searches counted?

    2 search terms

    Brandwave collects information about searches that people make online using British Gas’ and Octopus Energy’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.

    British Gas

    1 branded search term

    • british gas heat pump

    Octopus Energy

    1 branded search term

    • octopus heat pump

    How the Brand Demand Index is measured

    Other head-to-heads among heat pump installers

    Creator with pink hair and a pink jacket

    Put your own brand in this comparison

    Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.

    Start free