About C2 Energy
Powering Ireland's Renewable Future Since 2008
C2 Energy Ltd is Ireland's leading renewable energy specialist. For over 15 years, we've been designing and installing premium energy systems — heat pumps, solar panels, solar thermal, EV chargers and battery storage — that transform how Irish families power their homes.
What Sets Us Apart
We're not just installers. We're engineers, designers, and energy specialists who believe every Irish home deserves the best.
Excellence in Engineering
Every system is designed using industry-leading software and heat-loss calculations. We don't guess — we engineer.
Built to Last
We use only premium-grade components and certified products. Every installation carries a 25-year warranty.
Customer-First Approach
From first survey to final commissioning, you deal with experienced professionals who explain every step in plain language.
Truly All-Ireland
With regional teams across all 32 counties, we offer genuine local expertise wherever you are on the island.
Our Journey
Founded in Dublin with a mission to bring renewable energy to every Irish home
Expanded to cover all Leinster counties, completing our 500th installation
Achieved full all-Ireland coverage across all 32 counties
Became SEAI-registered and partnered with leading heat pump manufacturers
Reached 2,000 completed installations milestone
Expanded into solar PV, battery storage, and EV charger installations