Company lists · Data refreshed October 2026

Top 25 District heating installation contractors based in Switzerland

Name: District heating installation contractors based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 378 companies tracked

RevenueBase identified 378 company matches for district heating installation contractors associated with Switzerland as of October 2026 and tracks 2,343 professional contacts across them, including 809 with verified work emails. Geneva is the largest hub.

This list covers company matches for district heating installation contractors associated with Switzerland, 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 October 11, 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 Oct 11, 2026 How this list was built

378Companies

2,343Contacts tracked

809Verified emails

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The 25 largest district heating installation contractors based in Switzerland

Ranked by team size

Top 25 of 378 company matches for district heating installation contractors based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	Eniwa AG	Exact match	Buchs, SwitzerlandHQ recorded Oct 11, 2026	201-500	195 contacts →
	Exact match “Eniwa ist ein regional verankertes Energie-Dienstleistungsunternehmen mit Sitz in Buchs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Groupe Gruyère Energie	Exact match	Bulle, SwitzerlandHQ recorded Oct 11, 2026	201-500	166 contacts →
	Exact match “Active depuis plus de 130 ans et principal promoteur de la transition énergétique dans la région, Gruyère Energie SA est une entreprise active dans l’approvisionnement et la…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	Stiebel Eltron Schweiz	Exact match	Lupfig, SwitzerlandHQ recorded Oct 11, 2026	51-200	81 contacts →
	Exact match “STIEBEL ELTRON bietet komfortable und energieeffiziente Lösungen rund um die Themen Erneuerbare Energien, Warmwasser, Klima und Raumheizung.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	Caliqua AG	Exact match	Basel, SwitzerlandHQ recorded Oct 11, 2026	51-200	64 contacts →
	Exact match “Caliqua ist in der Schweiz die führende Anbieterin von thermischen Anlagen für kommunale Dienstleister und die Industrie.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Stwz Energie AG	Exact match	Zofingen, SwitzerlandHQ recorded Oct 11, 2026	51-200	52 contacts →
	Exact match “StWZ engagiert sich mit über 80 Mitarbeitenden für eine sichere, nachhaltige Energie- und Wasserversorgung in der Region Zofingen.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Domotec AG	Exact match	Aarburg, SwitzerlandHQ recorded Oct 11, 2026	51-200	46 contacts →
	Exact match “DOMOTEC AG ist seit 1976 als innovatives Unternehmen im Bereich «Haustechnik» tätig.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	Brauchli SA	Exact match	Forel (lavaux), SwitzerlandHQ recorded Oct 11, 2026	51-200	39 contacts →
	Exact match “Brauchli SA est une société du groupe HOLDIGAZ spécialisée dans les installations de chauffage et de production de froid dans l'industrie, les services et l'habitation, active sur…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	Winkenbach SA	Exact match	La Chaux-de-fonds, SwitzerlandHQ recorded Oct 11, 2026	51-200	30 contacts →
	Exact match “Winkenbach SA propose des solutions sur mesure en chauffage-froid, ventilation / climatisation et sanitaire pour bâtiments privés, publics et industriels.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Tiba AG	Exact match	Liestal, SwitzerlandHQ recorded Oct 11, 2026	51-200	30 contacts →
	Exact match “Die Tiba AG ist Ihr Partner im Bereich - Wärmesysteme (Wärmepumpen, Pelletheizungen, Schnitzelheizungen und Stückholzheizungen)- Stahlküchen und Holzherde - Ofenbau 100…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	R. Häsler AG	Exact match	Möhlin, SwitzerlandHQ recorded Oct 11, 2026	201-500	26 contacts →
	Exact match “Ihr kompetenter Ansprechpartner für Heizungs- und Lüftungsprojekte.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Energie Concept SA	Exact match	Bulle, SwitzerlandHQ recorded Oct 11, 2026	11-50	25 contacts →
	Exact match “Bureau d'ingénieurs-conseils en Techniques du bâtiment CVSE, spécialiste des réseaux de chauffage à distance à bois et de l'efficacité énergétique.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	BKW AEK Contracting AG	Exact match	Solothurn, SwitzerlandHQ recorded Oct 11, 2026	11-50	24 contacts →
	Exact match “Alle reden davon – wir tun es.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	VON AUW SA	Exact match	Préverenges, SwitzerlandHQ recorded Oct 11, 2026	11-50	23 contacts →
	Exact match “Depuis 1853, nous concevons et réalisons des systèmes thermiques et des réseaux d’eau dans les bâtiments répondant à toutes les attentes.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Schmidt AG	Exact match	Luzern, SwitzerlandHQ recorded Oct 11, 2026	51-200	19 contacts →
	Exact match “Die Schmidt AG ist ein in der Zentralschweiz führendes Unternehmen in den Bereichen Sanitär und Heizung.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Allotherm AG	Exact match	Gwatt, SwitzerlandHQ recorded Oct 11, 2026	11-50	19 contacts →
	Exact match “Seit 1984 steht die Allotherm AG für erneuerbare Energie, Energieeffizienz und den Vertrieb von ökologischen Heizsystemen wie Pellet, Stückholz- und Schnitzelheizungen.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	HSB Heizsysteme UND Brenner AG	Exact match	Reinach, SwitzerlandHQ recorded Oct 11, 2026	51-200	18 contacts →
	Exact match “HSB - Ihr kompetenter und zuverlässiger Partner, wenn es um Wärme geht.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Sysbo AG Energie UND Regelungssysteme	Exact match	Au, SwitzerlandHQ recorded Oct 11, 2026	11-50	17 contacts →
	Exact match “Die SYSBO AG mit Sitz in Au SG, Schweiz, ist Experte für Nah- und Fernwärme sowie visualisierter und busgestützter Regelungstechnik.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Raboud Energie SA	Exact match	Bulle, SwitzerlandHQ recorded Oct 11, 2026	51-200	17 contacts →
	Exact match “Depuis 2008, Raboud Energie SA est spécialisée dans les installations de chauffage, de ventilation et sanitaires.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Guggisberg Kurz AG	Exact match	Ostermundigen, SwitzerlandHQ recorded Oct 11, 2026	51-200	17 contacts →
	Exact match “Mit über 90 erfahrene Mitarbeitenden ist die Guggisberg Kurz AG in der Lage sowohl grosse Objekte auszuführen, als auch sehr flexibel zu agieren.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	Michel Rime SA	Exact match	Echallens, SwitzerlandHQ recorded Oct 11, 2026	11-50	16 contacts →
	Exact match “Michel Rime SA, une entreprise ancrée dans le tissu local du Gros-de-Vaud depuis 1898, spécialisée dans le chauffage, les énergies renouvelables, le sanitaire et les conduites en…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Schmid Amrhein AG	Exact match	Luzern, SwitzerlandHQ recorded Oct 11, 2026	51-200	14 contacts →
	Exact match “Unsere Wurzeln reichen zurück bis ins Jahr 1947 – doch unser Blick ist klar auf die Zukunft gerichtet.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Systec Therm AG	Exact match	St. Gallen, SwitzerlandHQ recorded Oct 11, 2026	11-50	13 contacts →
	Exact match “Die Systec Therm AG vertreibt schweizweit intelligente Lösungen mit Elektrowärme für die Baubranche sowie die Industrie.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Lehmann 2000	Exact match	Zofingen, SwitzerlandHQ recorded Oct 11, 2026	51-200	13 contacts →
	Exact match “Unser Service für Dich: Planung und Ausführung von Heizungs- und Industriekälteanlagen Heizung und Fernwärme Jetzt online Preise vergleichen und Offerte erhalten…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	U. Hauenstein Heizung Lüftung Sanitär AG	Exact match	Steffisburg, SwitzerlandHQ recorded Oct 11, 2026	51-200	13 contacts →
	Exact match “Sie suchen einen zuverlässigen Partner für die passende Lösung in den Bereichen Heizung, Lüftung, Sanitär und Service?” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	CS Confort Service SA	Exact match	Renens, SwitzerlandHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “Fondée en 1977, CS Confort Service SA est une entreprise familiale indépendante qui conçoit, installe et maintient des solutions de chauffage et sanitaire.” Recorded in the RevenueBase company graph · Oct 11, 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 “district heating installation contractors”. 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 378 district heating installation contractors based in Switzerland

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District heating installation contractors based in Switzerland at a glance

As of Oct 11, 2026

34.5%Verified-email coverage

6.2Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · Geneva

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

211

11-50

126

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 378 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 Switzerland whose business descriptions match “district heating installation contractors” 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 809 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 October 11, 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.

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 “district heating installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many district heating installation contractors are there based in Switzerland?

RevenueBase identified 378 company matches for district heating installation contractors associated with Switzerland as of October 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?

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

Which city has the most district heating installation contractors?

Geneva leads with 9 company records, followed by Zurich (8) and Bern (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 809 professional contacts with verified work emails tracked across these 378 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 October 11, 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.