Top hvac companies in Austria
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Caverion Osterreich GMBH | Austria | Wien | Laxenburger Straße 254 | Wien | 1230 | caverion.***** | 1956 | $294,853,646 | 1,081 | Corporation | 604 | FN309157v |
| 2 | Markus Stolz, Gesellschaft M.B.H. & CO. KG., Installationen | Austria | Bludenz | Zurcherstraße 44 | Vorarlberg | 6700 | stolz.***** | 1972 | $188,976,937 | 602 | Partnership of unknown type | 14 | FN14104t |
| 3 | Ortner Ges.m.b.h. | Austria | Innsbruck | Dr.-stumpf-straße 2 | Tirol | 6020 | ortner-anlagen.***** | 1902 | $169,164,614 | 504 | Corporation | 36 | FN137983t |
| 4 | G. Klampfer Elektroanlagen GMBH | Austria | Leonding | Paschingerstraße 104 | Oberösterreich | 4060 | klampfer.***** | 1985 | $162,599,774 | 275 | Corporation | 7 | FN268170v |
| 5 | Kristl, Seibt & CO. Gesellschaft M.B.H. | Austria | Graz | Baiernstraße 122a | Steiermark | 8052 | ksengineers.***** | 1979 | $141,841,245 | 516 | Corporation | 11 | FN55563k |
| 6 | Equans Gebäudetechnik GMBH | Austria | Wien | Leberstraße 120 | Wien | 1110 | equans.***** | 1959 | $129,022,233 | 505 | Corporation | 4204 | FN100305h |
| 7 | Eta Heiztechnik GMBH | Austria | Hofkirchen An der Trattnach | Gewerbepark 1 | Oberösterreich | 4716 | eta.***** | 1998 | $122,275,391 | 361 | Corporation | 2 | FN178711k |
| 8 | Eww Anlagentechnik GMBH | Austria | Wels | Knorrstraße 6 | Oberösterreich | 4600 | eww.***** | 1998 | $122,051,298 | 354 | Corporation | 40 | FN173488f |
| 9 | Ebg GMBH | Austria | Linz | Emil-rathenau-straße 4 | Oberösterreich | 4030 | ebg-anlagen.***** | 1977 | $104,938,025 | 459 | Corporation | 36 | FN224214b |
| 10 | J. Christof Gesellschaft M.B.H. | Austria | Graz | Glacisstraße 37 | Steiermark | 8010 | jchristof.***** | 1989 | $99,755,826 | 401 | Corporation | 12 | FN47620f |
| 11 | Bacon Gebäudetechnik GMBH | Austria | Wien | Scherbangasse 20 | Wien | 1230 | bacon.***** | 1987 | $72,958,120 | 326 | Corporation | 36 | FN50672v |
| 12 | Polytechnik Luft- Und Feuerungstechnik GMBH | Austria | Weissenbach An der Triesting | Hainfelderstraße 69-71 | Niederösterreich | 2564 | polytechnik.***** | 2000 | $64,360,680 | 108 | Corporation | 13 | FN194342y |
| 13 | Rgm GMBH | Austria | Linz | Freistädter Straße 226 | Oberösterreich | 4040 | wohlschlager-redl.***** | 1997 | $61,149,116 | 10 | Corporation | 7 | FN165974f |
| 14 | Esw Gebäudetechnik GMBH | Austria | Wien | Siemensstraße 160 | Wien | 1210 | esw.***** | 2005 | $60,009,670 | 163 | Corporation | 3 | FN273101w |
| 15 | ING. Georg Wieselthaler Gesellschaft M.B.H. | Austria | Schwechat | Klederinger Straße 92 | Niederösterreich | 2320 | wieselthaler.***** | 1982 | $58,835,172 | 131 | Corporation | N/A | FN109861k |
| 16 | Pke Gebäudetechnik GMBH | Austria | Wien | Computerstraße 6 | Wien | 1100 | pke.***** | 1979 | $55,656,380 | 316 | Corporation | 60 | FN488210g |
| 17 | Neoom International GMBH | Austria | Freistadt | Galgenau 51 | Oberösterreich | 4240 | neoom.***** | 2011 | $53,099,600 | 126 | Corporation | 15 | FN421620f |
| 18 | Hasenauer Installations GMBH | Austria | Saalfelden am Steinernen Meer | Feuerwehrweg 27 | Salzburg | 5760 | hasenauer-anlagenbau.***** | 1961 | $42,527,090 | 144 | Corporation | 3 | FN459156f |
| 19 | Dipl.ing. Anton Hofstätter Gesellschaft M.B.H. | Austria | Seiersberg | Werschweg 8 | Steiermark | 8054 | heiz-hofstaetter.***** | 1902 | $42,479,680 | 100 | Corporation | N/A | FN57031w |
| 20 | Babak Gebäudetechnik GMBH | Austria | Wien | Scherbangasse 20 | Wien | 1230 | babak.***** | 1989 | $41,913,119 | 140 | Corporation | 36 | FN252766s |
| 21 | ING. Hiessberger Gesellschaft M.B.H. | Austria | Wien | Breitenfurterstraße 13 | Wien | 1120 | hiessberger.***** | 1978 | $41,849,085 | 137 | Corporation | 2 | FN104729p |
| 22 | Opbacher Installationen GMBH | Austria | Fügen | Karl-mauracher-weg 34 | Tirol | 6263 | opbacher.***** | 1987 | $41,166,167 | 248 | Corporation | 4 | FN299609b |
| 23 | Luzian Bouvier Haustechnik & Fliesen GMBH | Austria | Zams | Hauptstraße 77 | Tirol | 6511 | bouvier.***** | 1928 | $38,232,243 | 205 | Corporation | 12 | FN310097a |
| 24 | Main Technische Dienstleistung-Gmbh | Austria | Wien | Prinz-eugen-straße 8-10/e/1 | Wien | 1040 | main.***** | 2005 | $37,706,578 | 225 | Corporation | 10 | FN258639b |
| 25 | Kgt Gebäudetechnik GMBH | Austria | Feldbach | Franz-josef-straße 8-14 | Steiermark | 8330 | kgt.***** | 2007 | $37,046,314 | 211 | Corporation | 7 | FN297301h |
Showing 25 of 7,096 companies
Request Free SampleHvac companies in Austria by region
7,096 hvac companies across 10 Austrian regions. The table below shows the share each region holds.
Hvac companies in Austria by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 4,281 | |
| 5-9 | 1,480 | |
| 10-19 | 694 | |
| 20-49 | 405 | |
| 0 or Unknown | 114 | |
| 50-99 | 74 | |
| 100-199 | 32 | |
| 200-499 | 11 | |
| 500-999 | 4 | |
| 1.000-4.999 | 1 |
Hvac companies in Austria by revenue
| Bracket | Companies | Share |
|---|---|---|
| 100.001 to 499.999 | 4,701 | |
| 500.000 to 999.999 | 978 | |
| 1.000.000 to 4.999.999 | 933 | |
| 0 or Unknown | 220 | |
| 5.000.000 to 9.999.999 | 106 | |
| 10.000.000 to 49.999.999 | 80 | |
| 1 to 100.000 | 61 | |
| 100.000.000 to 499.999.999 | 9 | |
| 50.000.000 to 99.999.999 | 8 |
ÖNACE 2008, NACE and industry classification for Austrian hvac companies
Austrian hvac companies are classified under NACE Rev 2 code 4322. Austria's ÖNACE 2008 classification mirrors NACE Rev 2 at the 4-digit level, so the codes match exactly. The list above covers every active business in this category registered with the Firmenbuch (Austrian Business Register).
Closely related business services
Frequently asked questions about hvac companies in Austria
Our list tracks 7,096 active hvac companies across every Austrian region, sourced from the Austrian Firmenbuch (commercial register) and verified monthly. The exact count changes as firms register, dissolve and merge.
The region with the most hvac companies is NIEDERÖSTERREICH, followed by the other major economic regions. The full regional breakdown above shows the share each Austrian region holds.
Austrian hvac companies are classified under NACE Rev 2 code 4322, which mirrors Austria's national ÖNACE 2008 codes. The list above covers every active Austrian company in this category. Austria's ÖNACE 2008 classification is a 1:1 NACE Rev 2 implementation at the 4-digit level, so the codes match exactly.
Yes. Apply your filters (region, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full address, primary phone, business email (where available), website, organisasjonsnummer (org. nr.), VAT registration, employee size, revenue band, founding year and NACE / ÖNACE 2008 classification. Records are sourced from the Firmenbuch (commercial register) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest Firmenbuch feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
10 Austrian regions have at least one active hvac companie in our list. The region with the most hvac companies is NIEDERÖSTERREICH, followed by the other major economic regions. Use the regional breakdown table above to see the full distribution.
