A new energy efficient Worcester boiler and Nest energy-saving thermostat and a thorough cleaning of the existing system has resulted in a saving of around £40 per month, compared to similar month last year. House heats up quickly, so we turn the heating off after a short while Friendly, efficient service. When you see how complex fitting a new boiler appears to be, you absolutely have to employ someone who can do it without any problems. The jobs took two days and we hardly knew he was in the house!