mechanical ventilation with heat recovery, to balance indoor air quality and energy use. SK Technical delivers commercial catering gas systems and wider commercial gas works, covering pipework, gas interlock and proving systems, appliance commissioning, servicing, and gas certification. The firm also offers demand-based automatic ventilation, speed controllers, inverter drives, and ventilation control panel diagnostics to manage airflow and energy consumption. In addition, it provides commercial fan servicing, including inspection, cleaning, breakdown response, replacements, and ongoing maintenance to keep extraction and ventilation assets operational.