Ventilation
Ventilation that protects air quality and compliance
Good ventilation is invisible when it works. TDC designs, installs, cleans and tests ventilation systems so your building stays comfortable, efficient and legally compliant.



Design & installation
Supply, extract and heat recovery systems
We size and install ventilation for offices, kitchens, workshops, labs and process areas — balancing airflow, acoustics and running cost.
- Air handling units and ductwork distribution
- Kitchen and process extract systems
- MVHR and heat recovery ventilation
- Smoke and stairwell pressurisation support
- Ductwork modifications and re-balancing

Compliance & testing
Statutory testing, documented properly
We carry out the inspections and testing your insurers and auditors expect, and give you the certification to prove it.
- Fire damper drop testing and remedial works
- TM44 air conditioning inspections
- Indoor air quality and airflow measurement
- Ductwork cleaning to TR19 principles
- Filter and belt replacement programmes
Need a ventilation survey or damper test?
We'll assess your existing system, flag the risks and give you a clear plan to get compliant.
