To find your nearest approved ERS centre, enter your postcode or town and click on the course you are interested in below. Please enter a valid postcode Search ByAllACS Commercial Heating ACS Commerical Catering ACS Domestic Natural Gas ACS Emergency Service Providers & Meter Installer ACS LPG Air Source Heat Pumps Central Heating Controls Fault Finding Design of Heat Pump Systems Energy Efficiency for Domestic Heating Installers (EEDH) Essential Electrics Gas Managed Learning Programme Gas Meter Disconnection (DEO1) Ground Source Heat Pump Ireland - CRU Gas Safety Assessments Ireland - Gas Installer Domestic (GID) Legionella and its control OFTEC Oil OFTEC Solid Fuel HelpOFTEC Solid Fuel Space Heating Dry OFT-15-108D Portable Appliance Testing (PAT) Protective Equipotential Bonding (PEB) Safe Electrical Isolation Course Unvented Hot Water Storage Systems Water Supply Water Fitting Regulations (WRAS) Search Within 10 miles 20 miles 50 miles 100 miles Unlimited