Efficient Engineering by Design
Specialising in the design and supply of communal and district heating systems
We collaborate with M&E consultants, contractors, developers and housing providers across all stages of a project, and support building/energy managers to reduce their carbon footprint.

EDGE Heat Interface Unit (HIU) Range
Our HIUs feature first-class components, including the market-leading valve from ESBE and intelligent electronic flow and temperature control technology.
We focus on quality design and manufacturing.

Heat Network System Design
We can work along-side you to provide design support and guidance for heat network systems, backed up by PI insurance cover.
Our technical engineers have extensive knowledge and expertise and can project manage the design from start to finish if required.

Water Treatment
We partner with IWTM-UK Ltd who lead the way in corrosion protection for water recirculation systems.
IWTM provide a chemical-free solution that uses a sacrificial anode to extract oxygen, acid, and aggressive salts from the water.
It’s the perfect choice for protecting both new and existing systems.
Latest News & Case Studies

Heat Pump Plant Room for Northolt School
Last week, this plant room was safely delivered to Northolt High School in Harrow, where a major redevelopment led by Kier Construction will create space for 1,130 pupils and target a Net Zero rating. Working with heat pump specialist G-Core, we were commissioned to construct this packaged plant room solution to house: • 3 ground…

How often should you service and maintain a HIU?
As heat interface units are an inherently low maintenance space heating system, the recommendation from BSRIA BG 62/2015 is that a maintenance check every 3 years should be sufficient. However, we recommend that HIU strainers are checked at least once annually, depending on the water quality of the installation. Any build-up of debris can cause…

How long does it take to install a heat interface unit?
How long does it take to install a heat interface unit (HIU)? It’s a question we get asked a lot, and the answer depends on several factors, including access and collaboration with other teams, but here’s a rough guide: New build (pre-plumbed, first fix complete): 2 to 4 hours per unit(If the pipework and risers…

Essco Group Acquires Helec Ltd, Expanding Capabilities Across All Divisions
It is with great pleasure that we announce that Helec Ltd has officially joined Essco Group. With over 17 years of expertise across sectors such as residential, healthcare, education and hospitality, Helec is one of the UK’s leading providers of Combined Heat and Power (CHP) systems. Their reputation for delivering comprehensive, energy efficient systems, aligns…