Commercial Boiler Servicing, Maintenance & Installations across Wales, the West of England and the M4 Corridor Total Boiler Services are expert Commercial Boiler Engineers, and the leading name for all commercial boiler installations and boiler repairs. Our team of professional, qualified, polite and proficient staff offer a complete engineering, repair and maintenance service for commercial and industrial companies, 24-hours a day, 365 days a year. Gas safe registered engineers with a wealth of experience. Planned maintenance services and contracts are available removing the need to book servicing visits. Single boiler installation, repair and maintenance through to full plant room services.