McGaffin Mechanical Ltd was established by Matthew McGaffin and has since become one of the foremost renewables, heating and insulation providers in Northern Ireland. With a growing workforce of over 25 employees and numerous subcontractors, McGaffin Mechanical is well-equipped to handle all your domestic retrofit needs.

We take pride in delivering reliable, professional service while maintaining the friendly, community-focused values we were built on. At McGaffin Mechanical, we’re committed to helping homes and businesses across Northern Ireland become more energy-efficient, sustainable, and future-ready. We believe great results come from working together.

We take pride in owning what we say and do. We never stop striving to be better — for our customers, our company, and our community. Installation, servicing, and maintenance of gas and oil systems, with a focus on efficient conversions and upgrades.

Supply and installation of Solar PV systems to help customers harness clean energy. Cavity wall and loft insulation to enhance home comfort and energy savings. Supporting customers in reducing carbon emissions and cutting utility bills through modern, high-performance systems.