Global Leader in Combustion Technology Since 1922 | Find a Distributor

About RielloPro

Founded in 1922 in Legnago, Italy — combustion engineering for over 100 years

Company Facts

Founded 1922
Headquarters Legnago, Italy
Countries Served 85+
Installations 120,000+
Service Engineers 350+
Product Range 30 - 14,000 kW
Fuel Types Gas / Oil / Dual
Manufacturing Sites 3 Facilities

Our Mission

RielloPro exists to advance combustion technology in service of industrial efficiency and environmental responsibility. We design burner and boiler systems that deliver measurable fuel savings, meet the strictest emission regulations, and operate reliably for decades.

Our engineering philosophy is rooted in precision: every combustion head, nozzle, and control system is designed to optimize the air-fuel mixture across the full modulation range. This attention to thermodynamic detail is what separates adequate heating from truly efficient thermal performance.

As the industry transitions toward decarbonization, we are investing in hydrogen-ready burner platforms, hybrid heat pump-boiler systems, and digital combustion management — ensuring our customers have a clear upgrade path without stranded assets.

Certifications & Standards

Our products and quality management systems are certified by international bodies.

  • ISO 9001:2015 Quality Management System
  • ISO 14001:2015 Environmental Management System
  • CE Marking (European Conformity)
  • UL Listed (North America)
  • NFPA Standards Compliance
  • EN 676 Gas Burner Standard
  • EN 267 Oil Burner Standard
  • PED 2014/68/EU Pressure Equipment

Partner With Us

Distributors, OEM integrators, and engineering consultants are invited to explore partnership opportunities with RielloPro.

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