METER.
MONITOR.
CONTROL.
Reliably Meter, Monitor and Control your Building’s systems and services.
The t-mac G3 platform gives you total visibility and control over your building’s systems: Energy, water, air quality, lighting, occupancy and more. Whether you’re managing a single site or hundreds, t-mac helps you reduce costs, comply with regulations, and maintain perfect conditions, all from one intuitive dashboard.
METER
Capture accurate data on all systems including energy, water, gas, air quality, lighting, HVAC and more.
MONITOR
Gain real-time visibility into usage, performance, and environmental conditions across all systems with alerts, trends and diagnostics.
CONTROL
Remotely manage and automate energy, lighting, HVAC, water and more from one central dashboard.
Trusted by organisations across the UK
METER
Know exactly where, when, and how your energy and utility resources are being consumed right down to circuit level.
- Electricity, gas, water, heat, steam
- Sub-metering by tenant, zone, or circuit
- Pulse metering & universal inputs
- Integration with Welcome Energy for tenant billing
- Historical usage records stored in Microsoft Azure
Power
Gases
Liquids
Heat
Sub-Circuits
Everything Connected. Everything Measured. Everything Optimised.
MONITOR
Stay informed with live and historic data across energy usage, air quality, environmental conditions system health and more, from anywhere.
- Real-time and historical data via cloud dashboards
- CO₂, PM2.5, PM10, VOC, temperature, humidity
- Air quality monitoring
- Leak detection
- Gas safety
- Legionella (ACoP L8) compliance
- Alerts via SMS/email
- Wireless sensors (LoRa, Z-Wave, etc.)
- Tablet or touchscreen display options for local monitoring
Temperature
People Counting
Humidity
Faults
Noise
Your Building. Fully Connected. Fully Controlled.
CONTROL
Take full control of your building’s systems: lighting, HVAC, plant and more with automation tailored to every zone and use case.
- HVAC systems (boilers, pumps, immersion heaters, AHUs)
- Lighting and ventilation
- TRVs and actuators
- Rule-based logic for automatio
- Node-RED for custom logic flows
- Native support for Modbus, BACnet, MQTT.
Boilers
I/O Modules
AHU's
Air Conditioning
Lighting
Built on Proven Technology
We’ve engineered the t-mac G3 platform using secure, modern infrastructure to ensure seamless integration, real-time performance, and cloud-based scalability. Our platform supports integration with your existing energy management systems, building management systems, IoT devices, and data environments. For clients exploring more advanced connected solutions, we also offer IoT-enabled building energy management to help improve efficiency across their estates.
Explore Our Building Energy Management Solutions
t-mac supports commercial buildings with smarter ways to meter, monitor and control energy use. Explore our wider solutions, including building energy management systems, energy monitoring systems, energy management solutions, sub-metering systems, energy monitoring software, energy management software, power monitoring systems, BMS systems, BMS solutions and building management systems.
Explore the features that make T‑Mac a market-leading control solution.
Smart Features That Power Smarter Buildings
Smart Control & Automation
Set it and forget it: systems adjust themselves based on time, temperature, or usage.
Real-Time Cloud Dashboard
Access your system anytime, anywhere in real time.
Secure Microsoft Azure Storage
All system data is encrypted and cloud-hosted.
Multi-Level User Access
Customise control by role or responsibility.
Email & SMS Alerts
Instant alarms and updates to any device.
Remote Monitoring & Management
Configure and control without being on-site.
Historic Data & Reporting
Visualise trends and performance over time.
BREEAM & Part L Compliance
Fully compliant control for retrofit and new builds.
Proven Performance, Real Results
What people are saying about us
Within six months of installing T‑Mac, we saw a measurable drop in energy costs across multiple sites. It’s more than paid for itself.
Facilities Manager
UK Manufacturing Group
The ability to adjust HVAC and lighting remotely has completely changed how we manage our buildings. I can make changes from my phone.
Operations Director
Multi-Site Retail Chain
T‑Mac’s monitoring helps us stay compliant with Part L and BREEAM requirements. It gives us confidence everything’s running as it should.
Head of Estates
NHS Trust
Data-Driven Building Management for Maximum Efficiency
Insights & Innovations
The latest articles from the TMAC blog
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