Commercial Boiler Service & Non-Domestic Gas Safety Inspection
Commercial heating systems, industrial plant rooms, and commercial boilers (rated over 70kW net heat input) require specialised maintenance governed by IGEM standards and the Workplace (Health, Safety and Welfare) Regulations 1992. Our commercial Gas Safe heating engineers carry out comprehensive servicing and safety testing on non-domestic gas boilers in offices, retail units, schools, churches, and residential apartment blocks.
Commercial Service Scope:
- Combustion Chamber & Heat Exchanger Strip-Down: Complete cleaning, descaling, and inspection of commercial heat exchangers.
- Flue Draught & Combustion Analysis: Electronic flue gas testing verifying CO, CO2, NOx emissions, and thermal efficiency.
- Safety Valves & Expansion System Testing: Pressure relief valve testing, expansion vessel recharging, and low-water cut-off switch verification.
- Gas Control Train & Modulating Burners: Checking multi-stage gas valves, governors, air pressure switches, and electronic burner controllers.
- Ventilation & Plant Room Safety: Inspecting high/low level permanent ventilation louvres and plant room emergency stop interlocks.
Why Regular Commercial Servicing Is Mandatory
Neglected commercial boilers suffer efficiency drops of 15–20%, lead to expensive emergency downtime during peak winter months, and void business property insurance. Schedule your commercial boiler service by calling 020 8432 3282.
Commercial Catering Facilities: If your premises operates a catering kitchen, review our Commercial Kitchen Gas Safety (CP42) Guide for extraction and gas interlock regulations.







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