Certas Energy Discount Codes in December 2025

Certas Energy is the UK’s largest independent supplier of heating oil and lubricants for domestic and commercial customers. Established in 2001, we’ve been growing strongly ever since and cover the whole of the UK with out team of 2,500 experts and 900 tankers. With Certas Energy, you know you will always get a fair, competitively priced fuel all year round and as we cut out the middleman, there are no hidden delivery or admin charges.