A TM44 inspection is a mandatory Air Conditioning Energy Assessment required in the UK under the Energy Performance of Buildings Directive (EPBD). It applies to systems with a total cooling capacity over 12kW and must be conducted every 5 years by an accredited assessor, following CIBSE TM44 guidance.

Yes, if the combined effective rated cooling output of all air conditioning systems controlled by a single operator within your manufacturing facility exceeds 12kW, a valid TM44 inspection report is legally required. Manufacturing sites typically exceed this threshold through office cooling, staff areas, and climate-controlled production zones. Inspections must be carried out every five years to maintain compliance.

TM44 specifically applies to air conditioning systems used for comfort cooling and climate control. Process cooling equipment dedicated to manufacturing processes may not fall under TM44 requirements, but office areas, staff facilities, and climate-controlled production zones typically do. We can assess your specific setup to confirm which systems require inspection.

No. We understand that production continuity is your priority. Our inspections are carefully scheduled around manufacturing operations and delivery commitments, working during planned maintenance windows or shift patterns that allow access without impacting output. We coordinate closely with your production and facilities teams to ensure zero production disruption.

TM44 inspections must be performed by qualified Air Conditioning Energy Assessors who are accredited and registered with a government-approved scheme. Our assessors hold the necessary accreditation to provide fully compliant reports and understand the specific requirements of manufacturing environments.

The accredited assessor will review relevant system documentation (such as F-Gas logs, maintenance records, manuals), conduct a visual inspection of accessible air conditioning components (indoor units, outdoor plant, controls), assess how the systems are operated and maintained, and evaluate if they are appropriately sized for the building's cooling needs. All work is coordinated with your facilities and production teams to respect operational priorities and safety requirements.

Beyond meeting legal requirements, the TM44 report delivers significant value for manufacturing operations. It provides impartial, expert recommendations on improving your system's energy efficiency, potentially leading to substantial operational cost savings that directly improve production margins, a lower carbon footprint, enhanced system reliability, reduced unplanned downtime, and improved working conditions for production staff.

A TM44 inspection report and the associated certificate lodged on the national register are valid for five years from the date the inspection was completed. To remain compliant, a new inspection must be undertaken before this five-year period expires.