www.heatingandventilating.net
THE ORIGINAL.
INFRARED DIESEL HEATERS Fastest heating
of larger spaces with minimum energy consumption.
What’s driving innovation? Regulatory pressure is the major motivator. The EU Medium Combustion Plant Directive (MCPD) and BREF BAT-AELs set increasingly stringent limits, particularly for plants between 1–50 MW thermal input. Meanwhile, California has set the benchmark with a 9 ppm NOx limit under Rule 1146.2. Burner manufacturers must now design products that meet varying regional
requirements while maintaining efficiency and reliability. Riello’s global footprint, including production in Europe and distribution networks across the UK and North America, positions it well to meet these regulatory demands.
What’s Next: future-proofing for tomorrow’s fuels
As the energy mix evolves, so must burner design. Hydrogen is one of the most promising decarbonised fuels, but it also burns hotter and faster, increasing NOx risks. Digitalisation is another frontier. Advanced burner models now incorporate IoT- enabled sensors and digital combustion control, allowing real-time optimisation for emissions, efficiency, and safety. In the near future, AI may play a role in adaptive combustion tuning, automatically adjusting flame characteristics to maintain ultra-low NOx across changing conditions. There’s also growing interest in biofuels and synthetic gases, which bring
unpredictable NOx profiles. Riello’s engineering teams are actively testing burner adaptations for these fuels to ensure compliance and performance.
Conclusion: so, how low can you go?
Technically, burners can now achieve NOx levels once thought impossible, even below 10 ppm. But the true limits aren’t just chemical or thermal, they’re also practical and economic. Achieving these ultra-low figures reliably and affordably, across a range of fuels and load conditions, is the real challenge. That’s why the future of burner technology lies not only in emissions reduction, but
in smart, flexible systems that balance environmental performance with operational demands. With companies like Riello continuing to push the boundaries of innovation, the industry is well placed to meet tomorrow’s clean air goals, one flame at a time.
CONSUMPTION LOWEST AN EXHAUST PIPE NO NEED FOR ONLY 48 DB QUIET, ADJUSTMENT (0–40°C) TEMPERATURE R + YEAR WARRANTY NO FAN, NO DUST NO SMELL, DIESEL OR DIESEL RENEWABLE
SPARE PARTS ARE ALWAYS AVAILABLE
2+1 YEAR WARRANTY NATIONWIDE
SERVICE NETWORK
Professional’s choice
WHY AIRREX?
Quiet, odorless and comfortable heating. 3-year warranty and easy maintenance. Quick delivery on original equipment and spare parts. That’s why Airrex is the market leader in fuel-driven infrared heaters.
❱❱ SAVE MONEY! Fuel consumption approx.*
2.5L /day *Consumption example:
› Fully insulated industry hall 500m³ › Temperature: outside 0 ºC, inside +15 ºC
❱❱ PLUG & PLAY No installation required.
WiFi connection and mobile app.
❱❱ FOR INDOOR USE For all spaces over 50 m2 with normal ventilation
DOWNLOAD THE HVR APP NOW
Find your nearest stockist:
rexnordic.uk I 01355 377 370 November 2025 9
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