I needed to replace an ageing gas central heating boiler. James from Green Flame responded very quickly to my questions by email, visited and gave some advice then followed up with a quote soon after. It was easy to agree on a date for the work to be carried out and James and Sion arrived early on the day. They removed the old boiler and water tanks, fitted a new one, even matching the bricks where the old flue used to be. I was very impressed with how quickly they made progress as there was a lot of work to do. They clearly knew what they were doing and I had utmost confidence in their work.