As a fully accredited installer, we offer a range of premium boilers backed by extended guarantees of up to 8 years on Worcester Bosch and 10 years on Baxi. We understand the importance of maintaining a reliable heating and hot water system, but if something does go wrong, we're on hand from 6am until midnight, 7 days a week. Prolong the life of your central heating system and protect your investment with servicing and maintenance by our team of professional, fully qualified engineers. Preferred Gas is a leading Gas Safe accredited installer and emergency repair company specialising in premium boiler installation and all aspects of maintenance and repair work, ranging from routine annual servicing to emergency breakdowns.