Top HVAC companies in Ireland
| 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 | Vestas Ireland LIMITED | Ireland | Swords | Skybridge House | Dublin | K67 P6K2 | N/A | 2008 | $198,261,600 | 118 | Corporation | 463 | 459005 |
| 2 | Purmo Group (UK) LTD | Ireland | Letterkenny | Glencar Shopping Centre | Donegal | F92 PCH9 | N/A | 2022 | $94,050,465 | 387 | Foreign company | 10 | 909807 |
| 3 | Gaffney Mechanical LIMITED | Ireland | Dublin | 1 Grants Row Lower Mount Street | Dublin | D02 HX96 | N/A | 2011 | $92,554,947 | 194 | Corporation | 2 | 506525 |
| 4 | Dominic O'connor LIMITED | Ireland | Loughrea | Eastpoint Business Park | Galway | N/A | doconnor.***** | 2002 | $50,673,618 | 21 | Corporation | 2 | 359850 |
| 5 | Crystal Air LIMITED | Ireland | Naas | Unit 3 Butterstream Business Park Co. Kildare | Kildare | W91 VK31 | crystalair.***** | 2014 | $44,269,448 | 162 | Corporation | 2148 | 547631 |
| 6 | MR. Vent LIMITED | Ireland | Dublin 12 | Unit 5, Park West Drive | Dublin | D12 A720 | q-nis.***** | 2011 | $40,080,232 | 25 | Corporation | 511 | 499705 |
| 7 | Ideal Energy Distribution LIMITED | Ireland | Malahide | Ascot House | Dublin | K36 HH42 | idealenergy.***** | 2019 | $35,024,834 | 21 | Corporation | N/A | 652026 |
| 8 | Kerrigan Mechanical LIMITED | Ireland | Navan | Unit 2 Athboy Business Park | Meath | C15 W13H | N/A | 1998 | $33,767,541 | 70 | Corporation | 2 | 285629 |
| 9 | Alpha Mechanical Services LIMITED | Ireland | Dublin | Willsborough Business Centre | Dublin | N/A | N/A | 2013 | $23,727,542 | 57 | Corporation | 4 | 534907 |
| 10 | Automated Technical Controls LIMITED | Ireland | Dublin | A.t.c House Broomhill Drive | Dublin | D24 EF99 | atc.***** | 1991 | $23,393,674 | 37 | Corporation | 2 | 166907 |
| 11 | Sse Airtricity Energy Services LIMITED | Ireland | Dublin | South County Business Park | Dublin | N/A | N/A | 2009 | $22,060,600 | 33 | Corporation | 487 | 476708 |
| 12 | T. Bourke & CO. LIMITED | Ireland | Blackrock | T22 Stillorgan Industrial Park | Dublin | A94 FX96 | tbourke.***** | 1972 | $19,826,686 | 84 | Corporation | 5 | 39174 |
| 13 | Mecpro Engineering LIMITED | Ireland | Dundalk | Derrycannagh | Louth | N/A | N/A | 2011 | $19,232,357 | 25 | Corporation | 3 | 499042 |
| 14 | Budget Energy LIMITED | Ireland | Dublin | Building 2, 3rd & 4th Floor, the Green, Dublin Airport Central | Dublin | K67 E2H3 | N/A | 2011 | $11,459,139 | 2 | Corporation | 949 | 496678 |
| 15 | Cross Hire LIMITED | Ireland | Cork | Old Mallow Road | Cork | T23 XC60 | refrigeration.***** | 2006 | $6,691,784 | 16 | Corporation | 14 | 416031 |
| 16 | Radco Distribution Ireland LIMITED | Ireland | Dublin 24 | Unit 1c Broomhill Business Complex Broomhill Road | Dublin | N/A | N/A | 2001 | $3,164,175 | 25 | Corporation | 5 | 350204 |
| 17 | Ardrar Holdings LIMITED | Ireland | Dublin | 1 Warrington Place | Dublin | N/A | N/A | 2018 | $3,164,175 | 25 | Corporation | 234 | 632290 |
| 18 | Viridus Energy LIMITED | Ireland | Ranelagh | 4 Manders Terrace | West Meath | N/A | N/A | 2023 | $3,164,175 | 25 | Corporation | 4 | 735660 |
| 19 | Laurence Mechanical Services LIMITED | Ireland | Cavan | Ballinagh Road | Cavan | H12 XE44 | N/A | 1992 | $3,164,175 | 25 | Corporation | 3 | 190082 |
| 20 | Hydraulic Hose Services LIMITED | Ireland | Dublin | Pirtek Dublin | Dublin | D24HKF7 | pirtek.***** | 2006 | $2,597,958 | 12 | Corporation | 2 | 421872 |
| 21 | Mitu Ductpro Mechanical LIMITED | Ireland | Naas | 35 the Court | Kildare | W91 K223 | N/A | 2024 | $1,431,707 | 15 | Corporation | N/A | 762163 |
| 22 | Ressprink Ireland LIMITED | Ireland | Dublin | 4 Mount Street Lower, Dublin 2 | Dublin | D02 AX96 | N/A | 2023 | $1,375,888 | 13 | Corporation | 178 | 748810 |
| 23 | Heatgen Installations LIMITED | Ireland | Monaghan | Scotstown Business Centre | Monaghan | H18 R960 | N/A | 2024 | $885,969 | 4 | Corporation | 2 | 767010 |
| 24 | Heatplan LIMITED | Ireland | Cork | 42 South Mall | Cork | N/A | N/A | 2005 | $632,835 | 2 | Corporation | 5 | 403573 |
| 25 | Thomas Harrington Heating & Plumbing LIMITED | Ireland | Killarney | Bonane | Kerry | N/A | N/A | 2005 | $632,835 | 12 | Corporation | 2 | 408731 |
Showing 25 of 2,575 companies
Request Free SampleHVAC companies in Ireland by region
2.575 HVAC companies across 29 Irish counties. The table below shows the share each region holds.
HVAC companies in Ireland by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 1.941 | |
| 5-9 | 375 | |
| 10-19 | 153 | |
| 20-49 | 77 | |
| 50-99 | 17 | |
| 0 or Unknown | 5 | |
| 100-199 | 4 | |
| 200-499 | 3 |
HVAC companies in Ireland by revenue
| Bracket | Companies | Share |
|---|---|---|
| 1 to 100.000 | 1.509 | |
| 100.001 to 499.999 | 917 | |
| 500.000 to 999.999 | 125 | |
| 10.000.000 to 49.999.999 | 10 | |
| 1.000.000 to 4.999.999 | 7 | |
| 50.000.000 to 99.999.999 | 3 | |
| 0 or Unknown | 2 | |
| 5.000.000 to 9.999.999 | 1 | |
| 100.000.000 to 499.999.999 | 1 |
NACE Rev 2, NACE and industry classification for Irish HVAC companies
Irish HVAC companies are classified under NACE Rev 2 code 4322. Ireland's NACE Rev 2 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 Companies Registration Office (CRO) (Irish Business Register).
Closely related business services
Frequently asked questions about HVAC companies in Ireland
Our list tracks 2.575 active HVAC companies across every Irish provincie, sourced from the Irish Companies Registration Office (CRO) (commercial register) and verified monthly. The exact count changes as firms register, dissolve and merge.
The region with the most HVAC companies is Dublin, followed by the other major economic regions. The full regional breakdown above shows the share each Irish provincie holds.
Irish HVAC companies are classified under NACE Rev 2 code 4322, which mirrors Ireland's national NACE Rev 2 codes. The list above covers every active Irish company in this category. Ireland's NACE Rev 2 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 / NACE Rev 2 classification. Records are sourced from the Companies Registration Office (CRO) (commercial register) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest Companies Registration Office (CRO) feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
29 Irish counties have at least one active HVAC companie in our list. The region with the most HVAC companies is Dublin, followed by the other major economic regions. Use the regional breakdown table above to see the full distribution.
