Radiant Panel Heaters, Convector Panel Heaters and Compact Panel Heaters in the UK ECOLEC - Electric heating that doesn't cost the earth™ With nearly 100,000 heaters sold since our inception, We have become a company that supplies bespoke designs for architects along with a standa ECOLEC - Electric heating that doesn't cost the earth™ With nearly 100,000 heaters sold since our inception, We have become a company that supplies bespoke designs for architects along with a standard range of space saving radiant convector and splash-proof panel heaters.