Written by Founded in 2005 by Brian O’Sullivan, 021 Electrician has become one of Cork and Munster’s most trusted electrical contractors. In 2024, Dylan Murphy joined as co-owner, bringing expertise in solar PV, heat pumps, and renewable energy systems. Together, Brian and Dylan lead a skilled team of SEAI-approved Microgeneration Registered Contractors, delivering safe, reliable, and energy-efficient […]