About us

Houlihan Engineering & Ventilation Services Ltd is a specialist HVAC and ventilation provider with over 20 years of industry experience. We deliver complete solutions including design, installation, commissioning, and maintenance of ventilation systems across Ireland.

Our Commitment to Safety

Safety and compliance are at the core of our operations. Our dedicated safety team ensures a robust health, safety, and environmental management approach. We provide comprehensive training and supervision to maintain an incident-free workplace.

Our Core Strengths

  • Expert HVAC ducting and accessory installation

  • Customised solutions for varied project scales

  • Strict adherence to health & safety protocols

  • Proven track record of high-quality installations

  • A collaborative and innovative team approach

  • Agile responsiveness to meet tight deadlines

Sectors & Projects

We have extensive experience across multiple sectors, delivering tailored ventilation solutions to meet the unique demands of each industry:

Pharmaceutical & Life Sciences

  • Haleon

  • Abbvie Sligo

  • West Pharma

  • Alexion

  • Pfizer

  • Sanofi

  • Pinewood Health

  • Hovione

  • Bausch & Lomb

  • Eirgen

  • Boston Scientific

  • Gaelic Labs

Food & Beverage 

  • Kerry Group

  • Dr Pepper

  • Irish Country Meats

  • Lilly O'Brien's

  • Blanco Nino

  • Glenpatrick

  • Dawn Farm Foods

Timber & Forestry

  • Murrays Timber

  • Glennon Bros

Calibration, Aerospace & Technology

  • Trescal Naas

  • Standard Aero

  • Classic Technology

  • Amon Electrical

  • Dell

  • Facebook

Hospitals & Healthcare Facilities

  • University Hospital Waterford

  • Primary Care Centre Carrick on Suir

  • Dungarvan Community Hospital

  • Midland Regional Hospital Tullamore

  • Primary Care Centre Waterford

  • University Hospital Limerick

  • UPMC Whitfield Hospital – Waterford

  • Affidea Cork

  • Primary Care Centre Dungarvan

  • UPMC Aut Even Hospital

  • Middleton Community Hospital

Educational Institutions

  • Scoil Ailbhe

  • Munster Technological University

  • University College Cork

  • Cork Institute of Technology

  • St Brigid's NS Limerick

  • Gortnahoe National School Thurles

Government, Public Services & Municipal

  • Abbeyleix Garda Station

  • Gorey Fire Station

  • Waterford Garda Station

  • Waterford City & County Council

  • OPW Portlaoise

  • The Cube Portlaoise

  • Tullamore Town Hall

  • Stradbally Garda Station

  • Athy Garda Station

Military & Defence

  • Haulbowline Naval Base 

Waste Management & Recycling

  • Soltec Waste

  • Panda Waste

  • Clean Ireland

  • KWD Recycling

Retail, Banking & Commercial

  • EBS Ballincollig

  • Harbour Point Offices

  • Isaac's Restaurant Cork

  • Shipmates

  • Noarks 

  • Park Hotel

  • Merrys Gastro Pub

Sports & Community

  • Dungarvan GAA Club

  • Goldstone Gym & Fitness Waterford

  • Castleview AFC

Research, Labs & Innovation

  • Gaelic Labs

  • Classic Technology

  • Eurofins

Meat & Agriculture

  • ABP Cahir

  • ABP Wexford

  • Irish Cement

  • Dairygold Mitchelstown

Energy & Utilities 

  • Eir Waterford

Tech & Innovation Hubs 

  • E Hub Mitchelstown

  • The Cube Portlaoise