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What is a TM44 Inspection?

TM44 inspections assess the energy efficiency of air conditioning systems and are required by law in many UK commercial buildings.

Why TM44 Matters

TM44 inspections assess the energy efficiency of air conditioning systems and are required by law in many UK commercial buildings.

Why TM44 Matters

TM44 assessments are a legal requirement under the Energy Performance of Buildings Regulations for systems with a combined output of over 12kW. They help identify improvements, reduce energy usage, and stay compliant with legislation.

Mandatory every 5 years

Applies to all commercial systems over 12kW

Non-compliance may lead to fines

What’s Included in a TM44 Inspection?

A certified energy assessor will evaluate your air conditioning system’s performance and energy efficiency. The report outlines practical, cost-effective measures to reduce energy use and environmental impact.

Full assessment of equipment condition and controls

System performance and sizing review

Recommendations for efficiency improvements

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Who Needs a TM44 Certificate?

If your premises have air conditioning systems over 12kW total output, you must have a valid TM44 certificate in place. This applies to offices, retail units, leisure centres, public buildings, and more.

Landlords and commercial property owners

Facilities and building managers

Tenants with operational control of air-con systems

Benefits of Compliance

Besides avoiding fines, TM44 inspections support sustainable practices and cost savings. They provide a structured approach to managing HVAC performance, reducing your carbon footprint while improving building comfort.

Improve energy efficiency

Lower running costs

Align with ESG and Net Zero goals