Constructionline Gold, CHAS, REFCOM Elite and SafeContractor — what each one proves.
Constructionline Gold covers finance, insurance, environmental, equality and modern slavery checks — held by under 100 UK HVAC firms.
REFCOM Elite is legally required for any company handling refrigerants commercially.
CHAS and SafeContractor verify health and safety systems; both are required by most national property managers.
TM44 inspections are legally required every 5 years for buildings with >12kW of cooling capacity.
F-Gas leak checks are legally required based on CO2 equivalent charge — not just system size.
Auditors scrutinise HVAC documentation more heavily than almost any other discipline.