Brandwave

Heat Geek vs Octopus Energy:Which is more popular?

In September 2026, Octopus Energy had more branded searches than Heat Geek among heat pump installers in the United Kingdom. Octopus Energy had about 6,600 branded searches, while Heat Geek had 5,400. Octopus Energy made up 27.8% of all heat pump installer searches we track, and Heat Geek accounted for 22.8%. When we asked ChatGPT and Google AI Overviews about heat pump installers, Heat Geek and Octopus Energy each appeared in two of the four answers. Heat Geek and Octopus Energy were each mentioned first in one of the two answers.

Among heat pump installers in the United Kingdom in September 2026

Who do people search for more?

Octopus Energy, about 22% more searches than Heat Geek

Octopus Energy 6.6K searchesHeat Geek 5.4K searches

Who does AI mention more?

Both were mentioned in 2 of 4 answers.

Heat Geek in 2 of 4Octopus Energy in 2 of 4

Who does AI recommend more?

Each is named first in 1 of 2 answers.

Heat Geek first in 1Octopus Energy first in 1

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Top heat pump installers in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Heat Geek and Octopus Energy were each mentioned in two out of four: in two of the three ChatGPT answers, but not in the Google AI Overview. Heat Geek and Octopus Energy were each listed first in one of the two 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 Heat Geek or Octopus Energy more popular in search?

    This chart shows how often people search Google for Heat Geek 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.

    Heat Geek and Octopus Energy among heat pump installers in the United Kingdom, by month

    Share of searches by month for Octopus Energy, Heat Geek. 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 Heat Geek 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, Octopus Energy lost share of searches among heat pump installers in the United Kingdom, from 30.7% to 27.8%.

    2. In September 2026, Heat Geek lost share of searches among heat pump installers in the United Kingdom, from 25.1% to 22.8%.

    How are branded searches counted?

    2 search terms

    Brandwave collects information about searches that people make online using Heat Geek’s 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.

    Heat Geek

    1 branded search term

    • heat geek

    Octopus Energy

    1 branded search term

    • octopus heat pump

    How the Brand Demand Index is measured

    Other head-to-heads among heat pump installers

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