HIUs put to the test

With impressive industry-leading test results, Altecnic is confident that its heat interface units can provide an energy saving and sustainable solution for heat networks and low temperature heating systems.

Specifically designed to achieve maximum efficiency on low temperature / heat pump lead networks, the SATK32107 from Altecnic has been proven to deliver impressive energy saving under tests. The manufacturer reports that the unit recorded the lowest VWART (Volume Weighted Average Return Temperature) and annual primary flow rate on the low temperature tests out of the 23 HIUs previously put through the standard.

The BESA UK HIU Test Regime is carried out by independent accredited test houses to ensure fair and accurate results, providing consultants, contractors, housing associations and energy providers with an accurate and detailed test report.

The VWART is a measure of efficiency and details the return temperatures that would be achieved on a typical UK project when the HIU is in all its operating modes – the SATK32107 achieved a VWART figure of just 28°C on the low temperature tests.

It also recorded a very low required annual primary flow rate of 90.71m3. This means that when in operation on a low temperature network, the HIU requires less primary water than other units tested, thereby reducing the amount of water circulating in the heat network and reducing heat losses, energy use and carbon emissions. When looking at a typical project, Altecnic estimates that the equivalent of five Olympic-sized swimming pools can be achieved.

Altecnic’s head of specification, Neil Parry, comments: “Innovation in heat interface unit technology is not new to us or our manufacturing colleagues at Caleffi. We believe that for the heat network industry to follow the recommendation that heat networks should be specified and developed with low temperature energy sources in mind, then the SATK32107 is a proven solution.”

Innovation network

Providing further validation, Altecnic heat interface units are now included on the Wates Innovation Network (WIN) portal, an online information resource for sustainable technologies. The portal connects companies with WIN partners like Altecnic to offer solutions that will help them meet sustainability targets. It aims to create a network that will accelerate the transition to net zero by showcasing smarter solutions to design, construct and maintain buildings.

As an innovation partner, Altecnic will feature on the WIN portal alongside 41 other suppliers approved by a screening panel including 40 environmental experts. Users can filter sustainable innovations based on their requirements to find the product and supplier most suitable for them.

John Dunne, group health, safety, environment and quality director at Wates, explains: “The market for sustainable solutions is expanding fast and companies who are not investing in innovations will soon be unable to compete. The issue is 95% of market-ready sustainable technologies never get considered because key decision makers do not know they exist. The WIN portal is bridging that gap, showcasing innovation and helping businesses to meet bold environmental targets.”


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