Are You Looking for HVAC Contractors in Derry?

Northwest Mechanical Services provides expert plumbing, heating, process piping, and fabrication solutions across Ireland. With 25 years of experience, we deliver tailored mechanical services for healthcare, hospitality, and industrial sectors. Our focus on quality, safety, and client collaboration ensures reliable, code-compliant installations and maintenance.

Omega Mechanical Services is Northern Ireland's leading provider of comprehensive mechanical engineering and property maintenance solutions. Specialising in both residential and commercial sectors, we deliver tailored maintenance contracts, emergency repairs, and facilities management services using Egan partnership principles. Our ISO 9001-certified operations combine 24/7 service availability with modern equipment and a highly trained workforce.

ATC Systems delivers intelligent Building Energy Management Systems (BEMS) across the UK and Ireland, specialising in smart, energy-efficient control solutions for new builds, retrofits, and maintenance. With over four decades of engineering expertise and ISO accreditations, we serve healthcare, education, retail, and industrial sectors, ensuring sustainable, high-performance building operations through tailored, compliant projects.