Company lists · Data refreshed October 2026
Top 25 Hvac and energy efficiency companies based in Austria
RevenueBase identified 161 company matches for hvac and energy efficiency companies associated with Austria as of October 2026 and tracks 971 professional contacts across them, including 279 with verified work emails. Vienna is the largest hub.
This list covers company matches for hvac and energy efficiency companies associated with Austria, 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 14, 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.
The 25 largest hvac and energy efficiency companies based in Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 94 contacts → | ||||
Exact match “Vaillant Österreich bietet #energiesparende und #umweltschonende Systeme für #Heizen,#Kühlen und #Warmwasser.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 66 contacts → | ||||
Exact match “Techem ist einer der führenden Servicepartner für grüne und smarte Gebäude.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 48 contacts → | ||||
Exact match “Als führendes oberösterreichisches Unternehmen der Gebäude- und Anlagentechnik sind wir mit unserem umfassenden Angebot Ihr richtiger Partner.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 34 contacts → | ||||
Exact match “Die 1873 in Wien eröffnete J.L.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “KUSTEC is your experienced and competent partner for all professional cooling and heating queries.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “Dank innovativer Technik bieten unsere Gebäudemanagementlösungen den Nutzern Komfort, Funktionalität und Betriebssicherheit bei kosteneffizientem Unterhalt.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 21 contacts → | ||||
Exact match “Seit über 50 Jahren realisieren unsere Profiteams Projekte in den Bereichen Sanitär, Heizung, Klima, Lüftungsanlagenbau sowie Regelungs- und Isoliertechnik – für Privat- und…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “BERATUNG - PLANUNG - FACHBAUAUFSICHT FÜR HEIZUNGS, KLIMA, LÜFTUNGS, SANITÄR- UND ENERGIETECHNISCHE ANLAGEN STANDORTE VILLACH | WIEN | BAD VÖSLAU Für den Inhalt verantwortlich…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “Die Firma ENERTEC ist ein Ingenieurbüro, das den gesamten Bereich der thermischen Energietechnik abdeckt, von der Kältetechnik, der klassischen Haustechnik mit Heizung…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “Hörburger: Partner für hochwertige Energietechnik mit Zukunft Hörburger gilt als einer der regional führenden Experten für hochwertige Gesamtlösungen in den Bereichen Sanitär- und…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Willkommen bei den KWI-Ingenieuren!” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “PWE System GmbH is a company based out of Franz-zola-straße 5, Wels, Oberösterreich, Austria.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Unser Ansatz basiert auf einer ökologisch und ökonomisch effizienten TGA Planung.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Die Ringhofer & Partner GmbH mit Sitz in Pinggau in der Steiermark ist eines der führenden Planungsbüros im Bereich Gebäudetechnik, Bau- und Energieplanung österreichweit.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “TGS wurde 2005 gegründet.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Die KGT Gebäudetechnik GmbH ist eines der führenden österreichischen Unternehmen in den Bereichen Heizung, Lüftung, Sanitär, Klima, Elektro, Sprinkleranlagen und…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “SYNERGIE DES GANZEN Alle Gewerke der technischen Gebäudeausrüstung Wir als Ingenieurbüro bieten Gebäudetechnische Gesamtlösungen aus den Bereichen Heizungstechnik…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Als Komplettanbieter liefern wir unseren Kunden die gesamte Gebäudetechnik aus einer Hand – also Elektro, Sicherheit, Steuerungen, Sanitär, Heizung und Lüftung.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “Alles was das moderne Einfamilienhaus braucht.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “Wir beraten, planen, installieren / montieren, reparieren, servicieren u.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “Wir beraten Sie gerne bei Ihrer Planung für die komplette Energie- Gebäude- und Elektrotechnik.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “Ratzenberger Haustechnik-Installation GmbH - RATZENBERGER HAUSTECHNIK als ausFÜHRENDES Unternehmen im HKLS Bereich, schafft mit fachkundiger Beratung, Planung und Montage die…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “wir installieren generationen.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded in the RevenueBase company graph · Oct 14, 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 “hvac and energy efficiency companies”. 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 161 hvac and energy efficiency companies based in Austria
See the full list, filter by size, metro and specialty, and access 279 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hvac and energy efficiency companies based in Austria at a glance
As of Oct 14, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 161 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 Austria whose business descriptions match “hvac and energy efficiency companies” 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 279 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 14, 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 “hvac and energy efficiency companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hvac and energy efficiency companies are there based in Austria?
RevenueBase identified 161 company matches for hvac and energy efficiency companies associated with Austria 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?
Vaillant Österreich tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hvac and energy efficiency companies?
Vienna leads with 24 company records, followed by Graz (9) and Linz (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 279 professional contacts with verified work emails tracked across these 161 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 161 hvac and energy efficiency companies based in Austria. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 25 hvac and energy efficiency companies based in Austria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 161 matching company records for hvac and energy efficiency companies based in Austria, with 971 tracked contacts and 279 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hvac and energy efficiency companies based in Austria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Vaillant Österreichvaillant.at HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 94 contacts → |
“Vaillant Österreich bietet #energiesparende und #umweltschonende Systeme für #Heizen,#Kühlen und #Warmwasser.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Techem Austriatechem.atHQ: Rum, AustriaReported employees: 201-500 | Rum, Austria | 201-500 | Exact match | 66 contacts → |
“Techem ist einer der führenden Servicepartner für grüne und smarte Gebäude.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  EBG Gmbhebg-anlagen.atHQ: Linz, AustriaReported employees: 501-1,000 | Linz, Austria | 501-1,000 | Exact match | 48 contacts → |
“Als führendes oberösterreichisches Unternehmen der Gebäude- und Anlagentechnik sind wir mit unserem umfassenden Angebot Ihr richtiger Partner.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bacon Babakbacon.atHQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 34 contacts → |
“Die 1873 in Wien eröffnete J.L.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kustec Kälte- UND Systemtechnik Gmbhkustec.atHQ: Freundorf, AustriaReported employees: 51-200 | Freundorf, Austria | 51-200 | Exact match | 33 contacts → |
“KUSTEC is your experienced and competent partner for all professional cooling and heating queries.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sauter Österreichsauter-controls.atHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 27 contacts → |
“Dank innovativer Technik bieten unsere Gebäudemanagementlösungen den Nutzern Komfort, Funktionalität und Betriebssicherheit bei kosteneffizientem Unterhalt.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dorfinstallateurdorfinstallateur.atHQ: Götzis, AustriaReported employees: 201-500 | Götzis, Austria | 201-500 | Exact match | 21 contacts → |
“Seit über 50 Jahren realisieren unsere Profiteams Projekte in den Bereichen Sanitär, Heizung, Klima, Lüftungsanlagenbau sowie Regelungs- und Isoliertechnik – für Privat- und…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ingenieurbüro Lakata Gmbhlakata.at HQ: Villach, AustriaReported employees: 11-50 | Villach, Austria | 11-50 | Exact match | 19 contacts → |
“BERATUNG - PLANUNG - FACHBAUAUFSICHT FÜR HEIZUNGS, KLIMA, LÜFTUNGS, SANITÄR- UND ENERGIETECHNISCHE ANLAGEN STANDORTE VILLACH | WIEN | BAD VÖSLAU Für den Inhalt verantwortlich…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Enertec Naftz & Partner Gmbh & CO KGenertec.atHQ: Graz, AustriaReported employees: 11-50 | Graz, Austria | 11-50 | Exact match | 15 contacts → |
“Die Firma ENERTEC ist ein Ingenieurbüro, das den gesamten Bereich der thermischen Energietechnik abdeckt, von der Kältetechnik, der klassischen Haustechnik mit Heizung…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hörburger Gmbh & CO KGhoerburger.atHQ: Altach, AustriaReported employees: 51-200 | Altach, Austria | 51-200 | Exact match | 14 contacts → |
“Hörburger: Partner für hochwertige Energietechnik mit Zukunft Hörburger gilt als einer der regional führenden Experten für hochwertige Gesamtlösungen in den Bereichen Sanitär- und…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | KWI Engineers Gmbhkwi.at HQ: St. Pölten, AustriaReported employees: 11-50 | St. Pölten, Austria | 11-50 | Exact match | 12 contacts → |
“Willkommen bei den KWI-Ingenieuren!” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PWE System Gmbhpwe-system.atHQ: Wels, AustriaReported employees: 1-10 | Wels, Austria | 1-10 | Exact match | 11 contacts → |
“PWE System GmbH is a company based out of Franz-zola-straße 5, Wels, Oberösterreich, Austria.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Schmidt Reuter Gebäudetechnikschmidtreuter.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 11 contacts → |
“Unser Ansatz basiert auf einer ökologisch und ökonomisch effizienten TGA Planung.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ringhofer & Partner Gmbhripa.atHQ: Pinggau, AustriaReported employees: 11-50 | Pinggau, Austria | 11-50 | Exact match | 10 contacts → |
“Die Ringhofer & Partner GmbH mit Sitz in Pinggau in der Steiermark ist eines der führenden Planungsbüros im Bereich Gebäudetechnik, Bau- und Energieplanung österreichweit.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  TGS Technischer Gebäude Service Gmbhtgs.co.atHQ: Altach, AustriaReported employees: 51-200 | Altach, Austria | 51-200 | Exact match | 10 contacts → |
“TGS wurde 2005 gegründet.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  KGT Gebäudetechnik Gmbhkgt.atHQ: Feldbach, AustriaReported employees: 51-200 | Feldbach, Austria | 51-200 | Exact match | 9 contacts → |
“Die KGT Gebäudetechnik GmbH ist eines der führenden österreichischen Unternehmen in den Bereichen Heizung, Lüftung, Sanitär, Klima, Elektro, Sprinkleranlagen und…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Pöttinger Installations Gmbhpoettinger-installationen.atHQ: Grieskirchen, AustriaReported employees: 51-200 | Grieskirchen, Austria | 51-200 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Energie Technik Ing. Mario Malli Planungs-Gmbhenergie-technik.at HQ: Vöcklabruck, AustriaReported employees: 11-50 | Vöcklabruck, Austria | 11-50 | Exact match | 8 contacts → |
“SYNERGIE DES GANZEN Alle Gewerke der technischen Gebäudeausrüstung Wir als Ingenieurbüro bieten Gebäudetechnische Gesamtlösungen aus den Bereichen Heizungstechnik…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  E.Denzel Gmbhe-denzel.atHQ: Graz, AustriaReported employees: 51-200 | Graz, Austria | 51-200 | Exact match | 8 contacts → |
“Als Komplettanbieter liefern wir unseren Kunden die gesamte Gebäudetechnik aus einer Hand – also Elektro, Sicherheit, Steuerungen, Sanitär, Heizung und Lüftung.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ovum Wärmepumpenovum.at HQ: Kirchbichl, AustriaReported employees: 11-50 | Kirchbichl, Austria | 11-50 | Exact match | 7 contacts → |
“Alles was das moderne Einfamilienhaus braucht.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  GEG Elektro UND Gebäudetechnik Gmbhgeg.co.atHQ: Gmunden, AustriaReported employees: 51-200 | Gmunden, Austria | 51-200 | Exact match | 7 contacts → |
“Wir beraten, planen, installieren / montieren, reparieren, servicieren u.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  SHP Beratende Ingenieureshp.atHQ: Kundl, AustriaReported employees: 11-50 | Kundl, Austria | 11-50 | Exact match | 6 contacts → |
“Wir beraten Sie gerne bei Ihrer Planung für die komplette Energie- Gebäude- und Elektrotechnik.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ratzenberger Haustechnik-Installations Gmbhratzenberger.co.atHQ: St. Pölten, AustriaReported employees: 51-200 | St. Pölten, Austria | 51-200 | Exact match | 5 contacts → |
“Ratzenberger Haustechnik-Installation GmbH - RATZENBERGER HAUSTECHNIK als ausFÜHRENDES Unternehmen im HKLS Bereich, schafft mit fachkundiger Beratung, Planung und Montage die…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Scherübel's Söhne Gmbhscheruebel.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 5 contacts → |
“wir installieren generationen.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Htb-Plan Haustechnik Planungs Gmbhhtb-plan.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 5 contacts → |
“HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Hvac and energy efficiency companies: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
157 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 161 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for hvac and energy efficiency companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hvac and energy efficiency companies did RevenueBase find based in Austria?
The saved snapshot records 161 matching company records, 971 tracked contacts and 279 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Hvac and energy efficiency companies by geography
- Hvac and energy efficiency companies based in Melbourne, Australia
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- Hvac and energy efficiency companies based in Brampton, Canada
- Hvac and energy efficiency companies based in Burnaby, Canada
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- Hvac and energy efficiency companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 hvac and energy efficiency companies based in Austria. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hvac-and-energy-efficiency-companies/austria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hvac and energy efficiency companies based in Melbourne, Australia
- Hvac and energy efficiency companies based in Sydney, Australia
- Hvac and energy efficiency companies based in Belo Horizonte, Brazil
- Hvac and energy efficiency companies based in Rio De Janeiro, Brazil
- Hvac and energy efficiency companies based in Sao Paulo, Brazil
- Hvac and energy efficiency companies based in Brampton, Canada
Company intelligence · public preview
Top 25 hvac and energy efficiency companies based in Austria
RevenueBase records 161 matching company records for hvac and energy efficiency companies based in Austria, with 971 tracked contacts and 279 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hvac and energy efficiency companies based in Austria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Vaillant Österreichvaillant.at HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 94 contacts → |
“Vaillant Österreich bietet #energiesparende und #umweltschonende Systeme für #Heizen,#Kühlen und #Warmwasser.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Techem Austriatechem.at HQ: Rum, AustriaReported employees: 201-500 | Rum, Austria | 201-500 | Exact match | 66 contacts → |
“Techem ist einer der führenden Servicepartner für grüne und smarte Gebäude.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | EBG Gmbhebg-anlagen.at HQ: Linz, AustriaReported employees: 501-1,000 | Linz, Austria | 501-1,000 | Exact match | 48 contacts → |
“Als führendes oberösterreichisches Unternehmen der Gebäude- und Anlagentechnik sind wir mit unserem umfassenden Angebot Ihr richtiger Partner.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bacon Babakbacon.at HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 34 contacts → |
“Die 1873 in Wien eröffnete J.L.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kustec Kälte- UND Systemtechnik Gmbhkustec.at HQ: Freundorf, AustriaReported employees: 51-200 | Freundorf, Austria | 51-200 | Exact match | 33 contacts → |
“KUSTEC is your experienced and competent partner for all professional cooling and heating queries.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sauter Österreichsauter-controls.at HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 27 contacts → |
“Dank innovativer Technik bieten unsere Gebäudemanagementlösungen den Nutzern Komfort, Funktionalität und Betriebssicherheit bei kosteneffizientem Unterhalt.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dorfinstallateurdorfinstallateur.at HQ: Götzis, AustriaReported employees: 201-500 | Götzis, Austria | 201-500 | Exact match | 21 contacts → |
“Seit über 50 Jahren realisieren unsere Profiteams Projekte in den Bereichen Sanitär, Heizung, Klima, Lüftungsanlagenbau sowie Regelungs- und Isoliertechnik – für Privat- und…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ingenieurbüro Lakata Gmbhlakata.at HQ: Villach, AustriaReported employees: 11-50 | Villach, Austria | 11-50 | Exact match | 19 contacts → |
“BERATUNG - PLANUNG - FACHBAUAUFSICHT FÜR HEIZUNGS, KLIMA, LÜFTUNGS, SANITÄR- UND ENERGIETECHNISCHE ANLAGEN STANDORTE VILLACH | WIEN | BAD VÖSLAU Für den Inhalt verantwortlich…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Enertec Naftz & Partner Gmbh & CO KGenertec.at HQ: Graz, AustriaReported employees: 11-50 | Graz, Austria | 11-50 | Exact match | 15 contacts → |
“Die Firma ENERTEC ist ein Ingenieurbüro, das den gesamten Bereich der thermischen Energietechnik abdeckt, von der Kältetechnik, der klassischen Haustechnik mit Heizung…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hörburger Gmbh & CO KGhoerburger.at HQ: Altach, AustriaReported employees: 51-200 | Altach, Austria | 51-200 | Exact match | 14 contacts → |
“Hörburger: Partner für hochwertige Energietechnik mit Zukunft Hörburger gilt als einer der regional führenden Experten für hochwertige Gesamtlösungen in den Bereichen Sanitär- und…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | KWI Engineers Gmbhkwi.at HQ: St. Pölten, AustriaReported employees: 11-50 | St. Pölten, Austria | 11-50 | Exact match | 12 contacts → |
“Willkommen bei den KWI-Ingenieuren!” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PWE System Gmbhpwe-system.at HQ: Wels, AustriaReported employees: 1-10 | Wels, Austria | 1-10 | Exact match | 11 contacts → |
“PWE System GmbH is a company based out of Franz-zola-straße 5, Wels, Oberösterreich, Austria.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Schmidt Reuter Gebäudetechnikschmidtreuter.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 11 contacts → |
“Unser Ansatz basiert auf einer ökologisch und ökonomisch effizienten TGA Planung.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ringhofer & Partner Gmbhripa.at HQ: Pinggau, AustriaReported employees: 11-50 | Pinggau, Austria | 11-50 | Exact match | 10 contacts → |
“Die Ringhofer & Partner GmbH mit Sitz in Pinggau in der Steiermark ist eines der führenden Planungsbüros im Bereich Gebäudetechnik, Bau- und Energieplanung österreichweit.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TGS Technischer Gebäude Service Gmbhtgs.co.at HQ: Altach, AustriaReported employees: 51-200 | Altach, Austria | 51-200 | Exact match | 10 contacts → |
“TGS wurde 2005 gegründet.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | KGT Gebäudetechnik Gmbhkgt.at HQ: Feldbach, AustriaReported employees: 51-200 | Feldbach, Austria | 51-200 | Exact match | 9 contacts → |
“Die KGT Gebäudetechnik GmbH ist eines der führenden österreichischen Unternehmen in den Bereichen Heizung, Lüftung, Sanitär, Klima, Elektro, Sprinkleranlagen und…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Pöttinger Installations Gmbhpoettinger-installationen.at HQ: Grieskirchen, AustriaReported employees: 51-200 | Grieskirchen, Austria | 51-200 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Energie Technik Ing. Mario Malli Planungs-Gmbhenergie-technik.at HQ: Vöcklabruck, AustriaReported employees: 11-50 | Vöcklabruck, Austria | 11-50 | Exact match | 8 contacts → |
“SYNERGIE DES GANZEN Alle Gewerke der technischen Gebäudeausrüstung Wir als Ingenieurbüro bieten Gebäudetechnische Gesamtlösungen aus den Bereichen Heizungstechnik…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | E.Denzel Gmbhe-denzel.at HQ: Graz, AustriaReported employees: 51-200 | Graz, Austria | 51-200 | Exact match | 8 contacts → |
“Als Komplettanbieter liefern wir unseren Kunden die gesamte Gebäudetechnik aus einer Hand – also Elektro, Sicherheit, Steuerungen, Sanitär, Heizung und Lüftung.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ovum Wärmepumpenovum.at HQ: Kirchbichl, AustriaReported employees: 11-50 | Kirchbichl, Austria | 11-50 | Exact match | 7 contacts → |
“Alles was das moderne Einfamilienhaus braucht.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | GEG Elektro UND Gebäudetechnik Gmbhgeg.co.at HQ: Gmunden, AustriaReported employees: 51-200 | Gmunden, Austria | 51-200 | Exact match | 7 contacts → |
“Wir beraten, planen, installieren / montieren, reparieren, servicieren u.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | SHP Beratende Ingenieureshp.at HQ: Kundl, AustriaReported employees: 11-50 | Kundl, Austria | 11-50 | Exact match | 6 contacts → |
“Wir beraten Sie gerne bei Ihrer Planung für die komplette Energie- Gebäude- und Elektrotechnik.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ratzenberger Haustechnik-Installations Gmbhratzenberger.co.at HQ: St. Pölten, AustriaReported employees: 51-200 | St. Pölten, Austria | 51-200 | Exact match | 5 contacts → |
“Ratzenberger Haustechnik-Installation GmbH - RATZENBERGER HAUSTECHNIK als ausFÜHRENDES Unternehmen im HKLS Bereich, schafft mit fachkundiger Beratung, Planung und Montage die…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Scherübel's Söhne Gmbhscheruebel.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 5 contacts → |
“wir installieren generationen.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Htb-Plan Haustechnik Planungs Gmbhhtb-plan.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 5 contacts → |
“HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Hvac and energy efficiency companies: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
157 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 161 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for hvac and energy efficiency companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hvac and energy efficiency companies did RevenueBase find based in Austria?
The saved snapshot records 161 matching company records, 971 tracked contacts and 279 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 hvac and energy efficiency companies based in Austria. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hvac-and-energy-efficiency-companies/austria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hvac and energy efficiency companies based in Melbourne, Australia
- Hvac and energy efficiency companies based in Sydney, Australia
- Hvac and energy efficiency companies based in Belo Horizonte, Brazil
- Hvac and energy efficiency companies based in Rio De Janeiro, Brazil
- Hvac and energy efficiency companies based in Sao Paulo, Brazil
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