We had a new boiler system with new radiators put in. We have used Gas Monster before many years ago and we found them reliable, they turned up when they said they would and if they were running late, they informed us. The company has grown since then however we were delighted to find that they still are professional, that they explain everything that is going to happen, and keep you informed as to progress, and above all, are reliable. We've had a few things done around the home and I'm afraid to say the one thing we are let down on by other independent companies is reliability, and we've had many headaches over this, so it was a breath of fresh air to find an independent company that acted with professionalism. Brian fitted our new boiler and he was very happy chap who was very clean and tidy, when he had completed the work he vacuumed everywhere and made sure it was all clean and tidy before leaving. Gas Monster set up the new warranty for us and explained what to do if anything should go wrong. We are definitely recommending them and would use the again.