Rooftop air conditioning condensers and pipework on a commercial building

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
Chilled water pipework in a commercial plant roomWall-mounted air conditioning units in an officeRooftop condensers on a commercial roof
24/7
Nationwide emergency cover
4 hrs
Call-out target on critical plant
2
Operating centres: Chester & Leeds
100%
F-Gas & CDM compliant delivery

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

Engineer carrying out planned maintenance on rooftop plantVentilation ductwork installed in a commercial buildingIndustrial refrigeration plant and pipeworkNewly installed air conditioning indoor unitTDC engineer servicing air conditioning equipment

Accreditations

Independently assessed and manufacturer approved, so compliance is never an afterthought.

  • REFCOM F-Gas
  • Accreditation
  • Accreditation
  • Accreditation
  • Accreditation
  • Accreditation
  • Accreditation
  • Accreditation
  • Accreditation
  • Accreditation
  • Samsung approved installer

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.

Engineer inspecting rooftop plant at a managed facility

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
More info
Newly installed commercial plant room pipework

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
More info
TDC engineer servicing air conditioning equipment

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
More info

Our clients

  • Airbus
  • Drax
  • SGS
  • The King's School Chester
  • NHS
  • NGF
  • CityFibre
  • CBRE
  • BAM
  • Amey
  • Amazon
  • Vivo

What clients say

Long-term relationships, not one-off jobs

TDC engineering team on site
I'm personally committed to ensuring our clients receive the best from TDC across all our divisions.
Managing DirectorRichard
  • 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.