Company lists · Data refreshed November 2026

Top 25 Sustainable heating solution providers based in South Africa

Name: Sustainable heating solution providers based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 117 companies tracked

RevenueBase identified 117 company matches for sustainable heating solution providers associated with South Africa as of November 2026 and tracks 833 professional contacts across them, including 183 with verified work emails. Cape Town is the largest hub.

This list covers company matches for sustainable heating solution providers 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

117Companies

833Contacts tracked

183Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest sustainable heating solution providers based in South Africa

Ranked by team size

Top 25 of 117 company matches for sustainable heating solution providers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Gosolr	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	51-200	118 contacts →
	Exact match “GoSolr is here to power your life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kwikot	Exact match	Benoni, South AfricaHQ recorded Nov 6, 2026	501-1,000	105 contacts →
	Exact match “Kwikot, a proudly South African brand with a rich history spanning over 120 years, is a trusted leader in the water-heating industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Thermowise	Exact match	Shakaskraal, South AfricaHQ recorded Nov 6, 2026	201-500	82 contacts →
	Exact match “WHO ARE WE?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Genergy South Africa	Exact match	Port Elizabeth, South AfricaHQ recorded Nov 6, 2026	51-200	42 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
5	Home Comfort	Exact match	Germiston, South AfricaHQ recorded Nov 6, 2026	n/a	38 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
6	Hydrofire	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Hydrofire provides innovative home heating solutions, inspired by the central heating systems in Europe and customized to suit the South African way of life- Hydrofire is a lean…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Bidvest Renewable Solutions	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	51-200	22 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
8	Sirac Southern Africa PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	11-50	22 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
9	Econo-Heat	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	51-200	21 contacts →
	Exact match “ECONO-HEAT™ International was established in 1990 and is the inventor and manufacturer of the original electric wall panel heater, as well as other energy efficient heating…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Renu Solar	Exact match	Hillcrest, South AfricaHQ recorded Nov 6, 2026	11-50	18 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
11	Calore Fireplaces	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “Calore is committed to helping homeowners and industry professionals make informed decisions about their heating requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Micasa Energy Solutions	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	51-200	15 contacts →
	Exact match “We offer Integrated Smart and Sustainable Energy solutions that include Solar PV, Water, and Lighting solutions for the Commercial, Industrial, Agricultural and Residential…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Eesco Heat Pumps	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	11-50	11 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
14	Stiebel Eltron Southern Africa	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	11 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
15	Alien Fuel Group	Exact match	Worcester, South AfricaHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “At AFG, we are committed to providing sustainable solutions for industrial applications that require steam and/or heat.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Solar Heat Exchangers PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	11-50	8 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
17	Gridvolt Energy Solutions	Exact match	Port Elizabeth, South AfricaHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “We are a leading renewable energy solutions provider based in the Eastern Cape, South Africa” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	ONE Energy Group	Exact match	Lakefield, South AfricaHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “Established in 2011, the One Energy Group is the largest and most successful renewable energy network in South Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	SA Heating & Cooling	Exact match	Halway House, South AfricaHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “SA Heating and Cooling provides integrated, engineered, energy efficient climate control solutions to ensure your building's efficiency is optimised.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Mega Volt Loden Energy	Exact match	Pretoria, South AfricaHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “Mega Volt Loden Energy, a South African renewable energy and backup power solutions provider, is focused on helping homes, businesses, agricultural operations, and developments…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Hydro Central Heating	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “We believe that all of us South Africans have earned the right to be comfortable throughout our entire home and office.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Hydratherm Services PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “We are a brand of energy solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	EMS Holdings PTY LTD	Exact match	Mogale City, South AfricaHQ recorded Nov 6, 2026	11-50	3 contacts →
	Exact match “EMS specializes in the design, manufacturing and the supply of advanced energy efficient hot water systems, for both domestic and commercial application.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Utility Africa	Exact match	Hilton, South AfricaHQ recorded Nov 6, 2026	11-50	2 contacts →
	Exact match “Utility Africa aims to make energy, specifically Solar and Gas easy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Metrowatt Solar	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	51-200	2 contacts →
	Exact match “Metrowatt offers our customers various solar packages (rental & purchase options) to suit each household's individual need.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “sustainable heating solution providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 117 sustainable heating solution providers based in South Africa

See the full list, filter by size, metro and specialty, and access 183 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Sustainable heating solution providers based in South Africa at a glance

As of Nov 6, 2026

22.0%Verified-email coverage

7.1Average contacts per company

11-50Median size (employees)

22.2%Largest-city concentration · Cape Town

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 117 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 “sustainable heating solution providers” 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 183 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.

Sustainable heating solution providers by metro

Sustainable heating solution providers in Cape Town26

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 “sustainable heating solution providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable heating solution providers are there based in South Africa?

RevenueBase identified 117 company matches for sustainable heating solution providers 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?

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

Which city has the most sustainable heating solution providers?

Cape Town leads with 26 company records, followed by Johannesburg (22) and Pretoria (6).

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 183 professional contacts with verified work emails tracked across these 117 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.

Ready to reach these companies? Verified emails and direct dials for all 117 sustainable heating solution providers based in South Africa. Start with a free account, no credit card.

Download this list →

Related lists

Sustainable heating solution providers by geography

Browse the directory

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.