Company lists · Data refreshed November 2026

Top 25 Microgeothermal installers based in South Africa

RevenueBase identified 256 company matches for microgeothermal installers associated with South Africa as of November 2026 and tracks 1,323 professional contacts across them, including 381 with verified work emails. Cape Town is the largest hub.

This list covers company matches for microgeothermal installers associated with South Africa, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
256Companies
1,323Contacts tracked
381Verified emails
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The 25 largest microgeothermal installers based in South Africa

Ranked by team size
Top 25 of 256 company matches for microgeothermal installers based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Solareff is a specialist South African-based renewable energy solutions company, with a proven track record of installing medium to large-scale rooftop and ground-mounted Solar…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPretoria, South AfricaHQ recorded Nov 6, 2026201-50086 contacts →

Exact match

“We're not your average solar company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchShakaskraal, South AfricaHQ recorded Nov 6, 2026201-50082 contacts →

Exact match

“WHO ARE WE?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMidrand, South AfricaHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Lumax Energy delivers cutting-edge clean energy technology at highly competitive prices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPort Elizabeth, South AfricaHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Genergy is a renewable energy company with a National Footprint and its Head Quarters based in Gqeberha.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchGermiston, South AfricaHQ recorded Nov 6, 2026n/a38 contacts →

Exact match

“We all want our homes to feel safe, warm and welcoming to our family and friends.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Sparki is a rapidly growing solar installation company that aims to provide high-quality.compliant solar installations to homeowners, and business alike.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPaarl, South AfricaHQ recorded Nov 6, 20261-1027 contacts →

Exact match

“We install custom-designed and operational-ready solar and supplementary energy solutions to the residential sector, agriculture, commerce, industry, mining, and solar PV parks…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Bidvest Renewable Solutions offers a wide range of solutions such as Grid-tie PV, Hybrid and offgrid solar systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“SIRAC imports and distributes a leading range of hot water heat pumps.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Power Partners Group was established in 2019.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHillcrest, South AfricaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“ESTABLISHED IN 2008 With over a decade of experience, Renu Solar brings a wealth of knowledge and expertise to the renewable industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchShakashead, South AfricaHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“We provide renewable energy solutions for C&I & residential sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“At EESCO we are primarily focused on the supply and installation of our locally manufactured heat pumps.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,00011 contacts →

Exact match

“STIEBEL ELTRON, founded in 1924, is one of the leading companies in the market for building services and renewable energies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPort Elizabeth, South AfricaHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Established in 1998, as a two person business to provide a specialised service to the Dairy farming industry, with the main focus at that time on bulk milk cooling.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAlberton, South AfricaHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“NuPower Solar is the a leader in supplying world class alternative energy solutions to the residential and commercial industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“At PowerOptimal, we’re building the future of energy-one innovation at a time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“AWPower is a solar & water engineering solutions provider that provides customized photovoltaic energy solutions and monitoring and maintenance for residential and commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“At Orka Solar, we help South African businesses and farms cut energy costs and become less dependent on the grid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“MLT Power distributes and installs solar back up and grid tied inverter systems as full turn-key solutions to your alternative power needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Established in 1987, Solar Heat exchangers specialized in Solar Hot Water system manufacturing and installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRivonia, South AfricaHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“We provide reliable solar power solutions for homeowners and businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDurbanville, South AfricaHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Industrial experience: Our team’s expertise is built upon years of successfully implementing solar projects, including the installation of one of Africa’s most notable rooftop…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-506 contacts →

Exact match

“We offer the most innovative residential & commercial solar battery solutions, designed to provide reliable energy with a positive cashflow from day 1.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 256 microgeothermal installers based in South Africa

See the full list, filter by size, metro and specialty, and access 381 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Microgeothermal installers based in South Africa at a glance

As of Nov 6, 2026
28.8%Verified-email coverage
5.2Average contacts per company
1-10Median size (employees)
16.0%Largest-city concentration · Cape Town
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
137
11-50
97
51-200
16
201-500
4
1,001-5,000
1

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 256 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with South Africa whose business descriptions match “microgeothermal installers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 381 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Microgeothermal installers by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “microgeothermal installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many microgeothermal installers are there based in South Africa?

RevenueBase identified 256 company matches for microgeothermal installers associated with South Africa as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Solareff tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most microgeothermal installers?

Cape Town leads with 41 company records, followed by Johannesburg (35) and Pretoria (20).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 381 professional contacts with verified work emails tracked across these 256 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.