
Air conditioning · Refrigeration · Ventilation
Commercial HVAC engineering that keeps critical sites running
TDC designs, installs and maintains air conditioning, refrigeration, ventilation and mechanical systems for industrial, commercial and process sites across the UK — backed by 24/7 emergency response.
- 24/7 breakdown response
- F-Gas registered
- In-house design & PM



- 24/7
- Nationwide emergency cover
- 4 hrs
- Call-out target on critical plant
- 2
- Operating centres: Chester & Leeds
- 100%
- F-Gas & CDM compliant delivery

Installation
Turnkey design and install of HVAC and refrigeration projects, from single splits to full plant rooms.

Maintenance
Reliability-centred, site-specific planned maintenance that prevents downtime before it happens.

24hr Response
Round-the-clock nationwide cover with a four-hour call-out target on business-critical systems.

Compliance
F-Gas, TM44, fire damper testing and air quality — documented, auditable and always up to date.
Comprehensive, nationwide HVAC solutions
TDC provides complete HVAC support — installation, maintenance and project management — for a wide range of facilities. With 24/7 support, tailored service plans and a focus on efficiency and compliance, you get reliable, cost-effective cover for critical systems.
On site
Recent installation and maintenance work





Accreditations
Independently assessed and manufacturer approved, so compliance is never an afterthought.
Sectors we specialise in
Site knowledge built over decades of UK HVAC work
Manufacturing
Process cooling and plant reliability for continuous production sites.
Process Sites
Temperature-critical environments with strict compliance regimes.
Education
Classrooms, labs and server rooms maintained around term time.
Industrial
Large-format warehouses, workshops and distribution centres.
Commercial
Offices, retail and multi-tenant buildings with zoned control.
Leisure
Hospitality, gyms and venues where comfort is the product.
Health
Clean, closely controlled air for clinical and care settings.
Residential
High-end domestic heat pump, comfort cooling and MVHR work.

Facilities management
Complete HVAC engineering support for managed facilities
TDC provides tailored HVAC solutions and exceptional service to managed facilities across the nation, keeping every asset reliable, efficient and compliant.
- Comprehensive maintenance and breakdown support
- Site-specific reliability-centred maintenance plans
- 24/7 emergency support for critical systems
- Asset registers and life cycle / capex planning

Projects division
Comprehensive HVAC and refrigeration project expertise
We design and install HVAC and refrigeration projects of all sizes in partnership with major manufacturers — turnkey from design through to commissioning.
- In-house design and project management
- Small works through to large industrial revamps
- Cost-effective, energy-efficient designs
- Full compliance with CDM and HS&E regulations

Engineering support
Tailored support to keep your systems running efficiently
A collaborative, proactive service that works alongside your facilities team — from preventative maintenance to temporary cooling when it really matters.
- Call out within 4 hours on business-critical systems
- Temporary cooling kits mobilised when required
- BMS, TM44, air quality and fire damper testing
- Dedicated key account managers and clear reporting
Our clients
What clients say
Long-term relationships, not one-off jobs

“I'm personally committed to ensuring our clients receive the best from TDC across all our divisions.”
“10/10 for maintenance and projects — their service delivery is excellent.”
James Newark · CBRE GWS Limited
“It has been great to work with TDC. Using industry experience combined with extensive site knowledge they provided a cost-effective, efficient solution for hot water demand.”
Stuart Rodd · Drax Facilities
“We had 9 units installed on premises and the entire team were brilliant.”
Alex Preston · Bishops Blue Coat High School
“A fantastic team that are always very professional, smart in appearance and a knowledgeable bunch.”
Paul French · Ungerer Limited
Need HVAC support, a quote, or a second opinion?
Talk to an engineer, not a call centre. We cover the UK from Chester and Leeds, with 24/7 cover on business-critical systems.























