SIT is entering in the market of the residential heating heat pump by developing a complete fan product range.whisperTECH450 is the state-of-the-art, flexible and competitive product perfectly designed for quieter new-generation heat pumps.

Multiple Fuels Electronic Combustion Control

FLEXA PRO is SIT's innovative solution that combines the flexibility of electronic combustion control with a sensor-based system that continuously monitors air and gas flows to ensure optimal combustion.

Thanks to advanced sensors and Plasma Pulse Technology, FLEXA PRO creates a self-adaptive system that automatically adjusts to high-altitude installations, flue obstructions, and gas quality variations. It also offers guided troubleshooting and predictive maintenance features.

Mapped gases Plasma Pulse Electronic Combustion Control

FLEXA IONO is SIT’s solution for premix application with electronic combustion control based on Plasma Pulse technology.

It allows to realize gas adaptive appliances, with a modulation rate over 1:10, able to work with gases of II, III family, and blend of hydrogen up to 30%.

The appliances with FLEXA IONO can be transformed to FLEXA H2 through a specific conversion kit,  allowing it to burn pure hydrogen.

SIT is entering in the market of the mechanical ventilation by developing a complete fan product range.

Our Centrifugal fan is all about robustness perfectly designed for reliable appliances.

SIT’s product range of blowers specifically developed for condensing boilers with premix burners is growing with the new EF family.

EF90 & EF150 to serve light commercial applications up to 150 kW with optimized and state-of-the art solutions.

EF40 to serve residential applications where compactness and modulation performance are essential.