We Are Hiring!

Would you like to join a company that helps other organisations to progress on the path to net zero?

Building Energy Solutions

Sirus has been providing service to the HVAC, Electrical and Controls industry for over 30 years.

Better Building Control

Sirus has delivered complex Building Management Systems (BMS) projects in everything from large pharmaceuticals to retail units.

Building Energy Management

Sirus provides consultancy and project management for energy driven projects, with particular emphasis on the building services area which is our core expertise.

Healthy Indoor Environments

Sirus offer a full range of HVAC services including turnkey projects, commissioning, maintenance, validation, and consultancy.


Sirus provides Building Energy Management Systems across all business sectors. Our service includes:

  • System Design
  • Commitment to Quality (ISO approved)
  • Proven Capability for Project Execution
  • Life Cycle Support – Maintenance

Our company provides a full lifecycle service for our installations providing BMS maintenance and post-project support.


Sirus provides supply, installation and commissioning of Heating, Ventilation & Air Conditioning (HVAC) equipment including:

  • Chillers
  • Heat Pumps & Boilers
  • AHUs & Air Conditioning Systems
  • Clean Room Validation

Our company provides a full lifecycle service for our installations for HVAC maintenance and post-project support.

Energy Management

Sirus offer many energy management services including:

  • Energy Audits
  • Energy Analysis
  • Alternative Energy Source Design
  • Energy Management Systems

All of the other services provided by Sirus, BeMS, HVAC and Maintenance, can help to reduce and manage the consumption of energy in your facility.


We provide BMS (Building Management Systems), QBMS (Qualified BMS) and HVAC (Heating Ventilation & Air Conditioning) services to a range of industries from pharmaceuticals and data centres to hospitals and retail units.

We have a broad base of experience and we pride ourselves on delivering a superior level of customer service. We are proud that a large part of our ongoing sales is repeated business from previous customers and new business through referral.


Our offices are located in Cork and Dublin. Collectively, Sirus employs over 100 people and operates across Ireland and throughout Europe providing a full range of services.

Our team has a combination of BMS, QBMS, mechanical, refrigeration, controls, electrical and thermodynamic skillsets. Our engineers are spread across multiple locations and are available 24-7-365 to respond to emergency calls. We provide maintenance across a wide range of equipment and a diverse customer group.

Quality & Safety

We are committed to continually improving our QHSE performance. We strive for quality and consistency in our services, timely deliveries, protection of the environment and a safe work environment for all. The safety of our staff and that of our customers’ staff is of utmost importance.

Sirus is accredited with ISO 9001:2015 (Quality Management System), ISO 14001:2015 (Environmental Management System) and ISO 45001:2018 (Occupational Health & Safety Management System).

Sirus House

Unit 13, The Westway Centre
Ballymount Avenue
Dublin, D12 FW63

+353 1 460 2600
+353 1 450 7968

The Well

Unit 2018, Orchard Avenue
Citywest Business Campus
Dublin, D24 FR88

+353 1 450 7968

Sirus Cork

Unit 5, Centrepoint
Marina Commercial Park
Cork, T12 H7DV

+353 21 4315552
+353 21 4315556

CMC House

Unit 4, Eastgate Way
Eastgate, Little Island
Cork, T45 FC03

+353 21 435 1090

Let’s talk about your project!