Specialist Electrical, HVAC & Refrigeration Services
Technical Engineering for Industrial, Commercial & Educational Facilities
TMUK Group Ltd provides high-level technical solutions for complex electrical distribution, mechanical plant, and climate control environments. From main switchgear and AHU maintenance to commercial air conditioning installations and F-Gas compliance, we ensure your building's core infrastructure is efficient, safe, and reliable.
Technical Enquiries: 01384 90 11 17
Low Voltage (LV) Distribution
- Main Switchboards: Installation of LV switchgear and main distribution boards up to 1000V AC.
- Sub-Distribution: Sectional distribution boards and consumer unit rollouts across multi-storey sites.
- Busbar Trunking: Overhead and underfloor power track systems for flexible, high-capacity distribution.
- Power Factor Correction: Integrating PFC equipment to reduce energy wastage and utility penalties.
- Surge Protection: Type 1, 2, and 3 SPD fitting to safeguard sensitive electronics from voltage spikes.
Electrical Infrastructure & Plant
- Containment Systems: Heavy-duty galvanised cable trays, ladders, and trunking for LV cabling.
- Switchroom Ventilation: Mechanical extract fans and air cooling to prevent transformer overheating.
- Plant Room Fire Dampers: Installation of fire dampers in ventilation ducts passing through plant walls.
- Backup Power Systems: UPS battery backup installation and Generator/AMF panel integration.
- Thermal Imaging: Infrared scanning of LV connections to identify mechanical stress or overheating.
Commercial Air Conditioning
- VRV & VRF Systems: High-efficiency heating and cooling for multi-zone office and retail environments.
- Split & Multi-Split: Wall-mounted, ceiling cassette, and ducted units for precise room temperature control.
- Close Control Systems: CRAC units for server rooms and data centres requiring exact temperature and humidity parameters.
- Heat Recovery (MVHR): Fresh air ventilation systems that extract stale air whilst retaining thermal energy.
- System Commissioning: Full airflow balancing, pressure testing, and performance verification.
Refrigeration & F-Gas Compliance
- Industrial Chillers & Coolers: Process cooling systems and large-scale chillers for manufacturing environments.
- Cold Rooms & Cellar Cooling: Walk-in refrigeration and temperature-controlled storage solutions.
- Mandatory F-Gas Leak Testing: Statutory compliance checks based on system CO₂ equivalent (CO₂e) tonnage.
- Refrigerant Management: Safe recovery, cylinder filling, and disposal in accordance with BS EN 13322.
- Regulatory Compliance: GWP audits, F-Gas logbook updates, and TEWI (Total Equivalent Warming Impact) assessments.
AHU & HVAC Maintenance
- AHU Installation: Rigging, mechanical assembly, and commissioning of modular rooftop AHUs.
- Fan Motor Maintenance: Replacing AC/EC motors, drive belt adjustments, and pulley alignment.
- Inverter Upgrades: Retrofitting old motors with Variable Speed Drives (VSDs) to slash energy costs.
- PPM & Reactive Repair: Scheduled statutory inspections, filter/coil changes, and 24/7 emergency fault finding.
- Ductwork Integrity: Repairing mechanical ductwork and replacing flexible connections to prevent thermal loss.
HVAC & Mechanical Plant Power
- Dedicated Plant Wiring: Power supply cabling for chillers, boilers, and Air Handling Units (AHUs).
- BMS & Control Wiring: Electrical integration with Building Management Systems for automated climate control.
- Motor Control Centres (MCC): Centralised MCC panels with VSDs and starters to regulate fan motors.
- Local Isolators: Weatherproof rotary isolator switches next to external HVAC plant for safe maintenance.
Operational Standards
- Statutory Compliance: All LV testing conducted strictly to BS 7671:2018+A3:2024 standards.
- F-Gas Certified: Fully compliant with EU 517/2014 and BS EN 378 safety and environmental regulations.
- Safety Vetting: All engineering staff are DBS screened for educational and secure environments.
- NICEIC Approved: Fully accredited for technical auditing and remedial electrical engineering.
- Diagnostic Experts: Specialists in complex mechanical, electrical, and refrigeration fault finding.