Knowledge is a potent tool in any professional’s arsenal, particularly when it comes to customer interactions. By being well-informed and prepared, professionals can significantly reduce the duration of site visits, ensuring efficiency and demonstrating respect for the customer’s time. Moreover, a knowledgeable approach instills confidence in customers, reassuring them that their concerns are understood and will be addressed competently. This level of preparedness and expertise not only streamlines operations but also fortifies customer trust and satisfaction.
Training
Register For Our In-Person Training
In-person training and hands-on experience are invaluable for skill development. They provide immediate feedback and personalized instruction that can adapt to a groups learning pace.
Visit our YouTube Channel for setup guides, troubleshooting, and product information!
Meet Our Trainer
David Nicholson
David Nicholson joined NTI Boilers as a Production Supervisor, where he played a key role in ensuring high-quality products reached our customers. With a deep commitment to understanding every aspect of our business, David’s experience spans from building and testing products to roles in shipping, customer service, and warranty. He has worked closely with engineering on product development, certification, and lab testing.
Understanding that a great product is only as good as the customer support provided by a company, David transitioned to creating a world-class technical support team. He has leveraged his teaching skills to provide in-house training and, during the off-season, travel across Canada and the U.S. to support our customers.
Richard Koester
Richard “Rick” Koester is NTI Boilers’ new National Training Manager.
Rick brings more than 25 years of experience in the HVAC industry. Born and raised in the oil heating trade, he began his career as a service technician and installer, gaining invaluable hands-on expertise with heating and cooling systems.
After nearly two decades in the field, Rick transitioned to the manufacturer representative side, supporting contractors, wholesalers, and engineers throughout the NYC Metro Area. Over the next eight years, he focused on product selection, training, and system design across a wide range of applications.
Most recently, Rick has joined NTI Boilers and the Ariston Group, where he plays a key role in specializing in our Air to Water Heat Pump products.
John Monaghan

With a career spanning over two decades in the plumbing and HVAC industry, John began his journey right out of high school at a local plumbing and heating company in PA. After completing an apprenticeship and trade school, John earned his journeyman’s license in 2004, followed by a master plumber’s license in 2006.
Transitioning into manufacturing, John joined a leading boiler manufacturer, where he excelled in technical support and R&D, ultimately becoming the Director of Training and Technical Support. John’s passion for training drives the development of innovative programs that empower both new and seasoned tradespeople to adapt to the ever-evolving industry.
Dedicated to fostering the education and success of future tradesmen and tradeswomen, Johnis committed to contributing to the growth of the next generation in the field.
