

Tony Hernandez
Founder of Advanced Heating & Plumbing
With a career in the trade spanning 28 years, Tony Hernandez is a highly respected authority in the heating and plumbing industry, serving Watford, Hertfordshire, London, and Middlesex. Having started his journey in 1998 working on the major London Docklands developments, Tony has developed a level of technical insight that only comes with decades of hands-on experience. He is widely recognised as an industry "troubleshooter," frequently called upon to resolve complex system faults and boiler issues that others find difficult to diagnose.
Tony's expertise is underpinned by full Gas Safe and OFTEC registrations, covering the complexities of both gas and oil-fired heating systems. He maintains a dedicated specialist division, Advanced Oil Boiler Services, specifically to support clients with off-grid heating requirements. Distinctively, his skill set extends to electrical diagnostics, allowing him to manage the intricate relationship between mechanical plumbing and modern heating controls. This comprehensive approach ensures that every job is handled with a level of precision and technical care that is rare in the industry today.
Integrity, safety, and a thorough work ethic are at the heart of Tony's professional ethos. Over the years, he has played a pivotal role in the industry by mentoring and training a significant number of plumbers who have since established successful careers of their own. By passing on his rigorous standards and meticulous attention to detail, Tony has helped shape a higher standard of workmanship within the trade.
Tony remains at the leading edge of domestic heating, employing advanced diagnostic tools to ensure quick and effective resolutions. By focusing on sustainable practices and high-efficiency system configurations—across gas, oil, and electrics—he helps clients reduce their environmental impact and long-term energy costs. His work is defined by a commitment to future-proofing homes through reliable, well-engineered solutions.
Clients of Advanced Heating & Plumbing deal directly with Tony, ensuring they benefit from his decades of knowledge and personal accountability. He prides himself on providing a reliable and professional service where no corners are cut and every task—from routine maintenance to emergency repairs—is completed to his own exacting standards. This direct approach has solidified his reputation as a trusted leader dedicated to quality and craftsmanship in the heating and plumbing sector.
Articles by Tony Hernandez













Why Your Central Heating Isn't Warming Your House Properly This Winter
17 October 2025
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Vaillant F10, F11, and F23 Fault Codes: What They Mean and How to Respond
25 April 2025
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Vaillant F32 Fault Code: What It Means and Why Your Boiler’s Fan Might Be to Blame
25 April 2025
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How Regular Oil Boiler Servicing Saves You Money & Prevents Breakdowns
24 February 2025
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Vaillant Boiler Service & Repairs in London, Middlesex & Hertfordshire
27 July 2024
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