What is a TM44 inspection?

TM44 is the accepted guidance for the UK for judging the efficiency of air-conditioning units. In a property with an air conditioning system over 12kw, by law you must have a TM44 regulations inspection. This became law in 2011, and to comply with this law a qualified energy assessor carries out a through inspection of the AC units.

What happens during an inspection?

The energy assessor will check several things whilst on site:

  • The efficiency of the system
  • A sizing review
  • Advice on future improvements
  • Replacement advice if required

TM44 report

Once the inspection is complete, a review is submitted, and the customer will receive a report of the system.

How often is a TM44 inspection required?

TM44 inspections are valid for 5 years.

What are the benefits of a TM44 inspection?

TM44 is an excellent data gathering opportunity about a major source of utility costs, offering insight on how to:

  • Improve efficiency
  • Reduce electricity consumption
  • Decrease operating costs
  • Diminish carbon emissions
  • Reduce maintenance needs
  • Improve controls and settings
  • Identify technical flaws

The report will also highlight opportunities such as:

  • Improvement to operation
  • Improvements to replace less efficient systems
  • Replacement of oversized systems (scale of the system relative to cooling load

What happens if I don’t comply?

Unfortunately, non-compliance of this law can result in a financial penalty.