www.heatingandventilating.net From the editor


Spotlight on heating projects


I


n March, HVR traditionally puts the focus on commercial heating and this month’s line up does not disappoint. There are many ways to heat, and control


heat, in commercial buildings, depending on the customer’s requirements. And while it’s always good to hear about issues affecting commercial heating projects, and new product developments, it’s just as fascinating to learn about how they work in real-life settings. Churches often present a heating


challenge with their large internal spaces and high ceilings. However, there are some solutions which tick all the boxes, such as the two featured this month from shortwave infrared specialist Shadow Industrial and fan convector and controls expert Smith’s Environmental Products. See pages 13 & 15. Equally impressive is Carrier’s energy efficient chiller solution operating on low GWP R32 which is heating and cooling what is described as ‘the world’s largest vertical farm. (Pg 14) There’s plenty more in the issue as well on the subjects of Air Conditioning, Smart Controls, Sustainability, Ventilation/Heat Recovery and Heat Pumps. Finally, the HVR Awards are open for entries, so for all the details go to pg 8.


Heathe Ramsden, Edito Magazine Team Editor


Business Development Manager Media Director Artwork Editor


Circulation Curwood CMS Ltd Heather Ramsden


James Marshall-Loughran Louise Tiller Nic Mandeville


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Welcome & news


Cutting edge heat & vent


Industrial hemp insulation to help decarbonise built environment


S


ustainable manufacturer IndiNature, which produces industrial hemp insulation has achieved a full agrément certificate from the


British Board of Agrément (BBA). This means that the company’s innovative and sustainable insulation products can now be used by the housing and construction sectors at scale for both new build and retrofit projects. Indinature has built its first cutting edge IndiNature


Mill in the Scottish Borders to produce the insulation materials to help decarbonise construction. The industrial hemp is Yorkshire’s finest, sourced


from East Yorkshire Hemp, leading UK farmers who are licenced by the UK Government to grow the crop. Hemp was a traditional crop in the UK and is farmed extensively around Europe. IndiNature aims to help re-grow the local supply chain for industrial hemp over the coming years and is working closely with farmers close to its base in Scotland. Ensuring industrial hemp is more available as insulation is the brainchild of co-founder and chief technical officer Scott Simpson, who when studying sustainable architecture at the Centre for Alternative Technology carried out lab-based research into natural insulation materials and found they had many performance advantages over conventional materials. He used his family home as a case study; rebuilding and extending it using the best natural materials available. The three-bed home now has energy bills 25% of the average and keeps humidities and temperatures even, comfortable and healthy all year long. However, he found the products were hard to source, expensive and had to be imported. Now, with IndiTherm certified, hemp-based batts can be


used in many applications as a simple alternative where conventional mineral wool insulation is used in construction such as open timber frame studs, roofs and floors. Scott who led the certification process said: “Our whole team feels proud to have worked with the BBA to achieve the only agrément certificate currently in the UK for industrial hemp insulation - and even more proud of the fact the products are made by local workers in our mill and the fibres are supplied by local farmers. This means carbon captured by British farms can be stored in British buildings. We founded the business because we care about quality buildings, people’s health and the planet - a full BBA agrément certificate will help us grow those positive impacts on scale. Securing an agrément is a highly demanding and rigorous process for any company - as a start-up this been even more of a challenge but has meant we have optimised our in-house controls and are continuously improving product performance. It’s been tough for the team to get to this stage but we feel great about achieving our first certificate. The trend for natural low carbon construction materials continues to grow - this is an exciting time as we help accelerate that supply.


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March 2024


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