TM44 Air Conditioning Inspections

Category: Air-Conditioning Inspections (TM44 )
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TM44 Regulation

Since January 4th 2011, the Energy Performance of Buildings Directive (EPBD) has required the TM44 regulations inspection of air conditioning systems in buildings with a cooling capacity over 12kW.

Who is affected?

All building owners and managers in England and Wales with control of air-conditioning systems with an effective rated output of more than 12kW are required to ensure compliance with the regulations.

This includes systems consisting of individual units which are less than 12kW but whose combined effective rated output is more than 12kW.

What do I need to do?

Under the TM44 Regulations, obligated persons are required to ensure that inspections of their units are carried out in an independent manner by an energy assessor to avoid any conflict of interest.

The inspection includes an assessment of the system’s efficiency and a review of sizing and advice on efficiency, improvements, and replacement or alternative solutions.

Why are Air Conditioning inspections required?

By having your Air-Conditioning system inspected by an accredited air conditioning energy assessor, it is likely that you will be able to improve efficiency, reduce energy consumption, operating costs and the carbon emissions of the system.

After the assessment, the energy assessor will be able to make recommendations for improvement to the existing systems or opportunities to replace older, less energy efficient systems or oversized systems with new energy efficient systems.

How often are inspections required?

Regular inspections of systems are mandatory and must be no less than five years apart.

Under the TM44 Regulations, the first inspection of the affected air conditioning systems must be carried out as follows:

  • For all systems first put into service on or after 1 January 2008, the first inspection must have taken place within five years of the date when the system was first put into service
  • For other Air-Conditioning systems, where the effective rated output is more than 250kW the first inspection must have taken place by 4 January 2009
  • For other Air-Conditioning systems, where the effective rated output is more than 12kW the first inspection must have taken place by 4 January 2011

Non-compliance with TM44 Regulations

Failure to commission, keep or provide an air conditioning inspection report which has been lodged on to the Central Register could result in fines from £300 per offence (per a building / a unit). These fines could be repeated at the discretion of Trading Standards enforcement officer on a daily, monthly, quarterly or annual basis.

A further penalty can be issued for failure to provide a copy of the air conditioning inspection report when requested to an officer of an enforcement authority within seven days. This is fixed at £200 (per a building / a unit).

In addition to these penalties, it will still be necessary to commission the documents; otherwise further offences will be committed.

The Air Conditioning Inspection Reports must be lodged on the Government database.

Enforcement Officers can check at any time whether a public building is compliant with the legislation as Trading Standards are able to check remotely whether a building has a report lodged into the Government database.

For more information about compliance with the TM44 Regulations contact Fridgehub on 0845 619 3551 or email


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Got an Air Conditioning System? Did you know that by Law your unit must be inspected by a trained energy assessor?

In 2003 the Energy Performance of Buildings Directive (EPBD) was brought into effect by the European Parliament to make countries in the EU to pass laws on energy consumption. 

Under Section 43 (1) D of the Energy Performance of Buildings Directive (EPBD) 2003, you could be fined £300 per system, per day, if you are found to have non-compliant air conditioning systems.

All air conditioning systems in place on or after January 1st 2008 should have been inspected within five years of installation.

Older systems with an output over 250kW should have been inspected by January 2009, while others, above 12kW, were required to have been inspected by January 2011.

Air conditioning inspections are very important for your business in order to meet with legislation and help in reducing your carbon foot print.

With global warming very much the topic of the moment, businesses are encouraged to get these inspections completed immediately to avoid the potential for a fine.

Low energy and sustainability services provider, Inteb's compliance manager, Amy Field said: “We recognise that many businesses have no idea that they are supposed to have TM44 certification for their air conditioning system, but ignorance is no defence.

“We would urge businesses to get in touch and request an inspection, so that they can be compliant before any inspection by Trading Standards Officers. The alternative could be a very heavy fine, as TSOs respond to the threats placed upon them, by launching into a phase of active enforcement of the law.”

If you are complaint you would have been issued with a TM44 certificate

To find a business near you to carry out your inspection Click here.