TM44 Air Conditioning Inspections – Stay Compliant & Save Energy
Ensure your building meets legal requirements while improving efficiency and reducing costs.
TM44: Compliance & Savings
What is TM44?
CIBSE Technical Memorandum TM44 sets out how air conditioning systems must be inspected to comply with the Energy Performance of Buildings Regulations 2007.
If your building has a system with over 12kW total cooling capacity, it must be inspected by an accredited inspector every 5 years. These inspections help identify inefficiencies, reduce energy costs, and keep you compliant with legal requirements.
- Mandatory for systems >12kW
- Inspection every 5 years
- Avoid fines and enforcement action
Save & Optimise
A TM44 inspection doesn’t just ensure compliance—it reveals opportunities to save energy, reduce costs, and improve comfort. Small adjustments or fixes can make a big difference to your building’s air conditioning performance.
Fixing issues like dirty filters, incorrect settings, or outdated equipment can save energy, cut costs, and extend your system’s life, with minimal disruption.
- Clean & Clear Systems
- Optimise Settings & Controls
- Fix Leaks & Update Systems
Why Choose Us
25+ Years Experience
With over 25 years in the HVAC industry, we’ve completed thousands of TM44 inspections, providing accurate, reliable surveys across all types of buildings.
Nationwide Service
We provide TM44 inspections across the UK, ensuring every client receives the same professional, reliable service no matter the location.
Accredited Inspectors
All inspections are carried out by fully accredited TM44 assessors, ensuring reports meet legal standards.
Compliance & Peace of Mind
Certificates are lodged with the Landmark registry, keeping your building compliant and avoiding fines.
Trusted Across the UK
Our TM44 inspections span a wide range of buildings nationwide, from single-site properties to large multi-location contracts. We bring the same professionalism, accuracy, and compliance-focused approach to every project, no matter the size.
Costco
Wholesale Retailer with Nationwide Stores Completed professional air conditioning and ventilation surveys across 30+ UK locations, ensuring compliance, efficiency, and safe working environments.
Leonardo Hotels
National UK Hotel Chain Completed professional HVAC and ventilation surveys across 30+ UK locations, ensuring compliance, comfort, and efficient systems for all sites.
Big Yellow
UK Self-Storage Facility Chain Completed professional HVAC and ventilation surveys across 30+ UK locations, ensuring safe, efficient, and compliant storage environments.Our Process
We make TM44 inspections simple, thorough, and fully compliant. Our step-by-step process ensures accurate surveys and actionable reports.
Schedule Visit
Choose a convenient date and time, and our accredited inspector will come to your site.
On-Site Inspection
Our accredited inspector visits your site to thoroughly assess every air conditioning system component..
Detailed Report
Receive a clear, professional TM44 report with findings, recommendations, and compliance notes.
Submit Certificate
Your TM44 certificate is submitted to the Landmark registry, valid for five years.
How can we help you?
Whether you need a TM44 survey, advice on compliance, or guidance to improve efficiency — our accredited inspectors are here to support you.
Email address
sales@optimair.co.uk
General enquiries
01335 342445
Headquarters
Optimair Limited, 19 St Christopher's Way, Pride Park, Derby, DE24 8JY