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Renowned Welsh Science Park Selects Custom Rinnai R290 Heat Pumps

Renowned Welsh Science Park Selects Custom Rinnai R290 Heat Pumps for Heating and Hot Water decarbonisation.

 

Wales’s first dedicated science park has taken a decisive step toward energy resilience and carbon reduction by installing a custom-designed Rinnai heating and hot water system. The solution features multiple R290 high-temperature air source heat pumps, buffer vessels, and Modbus BMS integration – delivered as a complete, optimized package by Rinnai’s in-house design team.

The science park, also known as a research park, technology park or innovation centre, is a purpose-built cluster of spaces. Labs, workrooms and meeting areas are designed to actively support research and development into commercially orientated & viable science and tech businesses and services.

The three-storey facility is built to BREEAM Excellence standards, comprising offices, laboratory and workshop space for up to 700 people. It forms the hub for the entire Parc and a regional centre for a range of businesses from start-ups to large corporate companies.

Rinnai supplied 10 x 27 kW hi-temp ASHP heat pumps and all these units had anti-corrosion treatment to protect from erosion caused by the nearby sea air. Also, part of the system is a 3000L buffer vessel custom-design and manufactured to the site’s requirements.

Selection of units was based on the need for low height & able to spread weight of system across channel on the roof. Scop of each 27kw unit at flow temperature of 65c is 3.21.

Rinnai’s range of air source heat pumps utilizes R290 and has a LOW scoring GWP (Global Warming Potential) refrigerant. It allows for several operational benefits: energy efficiency is improved by 10%, the enabling of water temperature of up to 75 degrees Celsius and R290 usage provides compliance alongside the European F-Gas Regulation which focuses on phasing down refrigerant environmental impact.

Rinnai’s R290 air source heat pump range is available in 11 different sizes, from 6 kW up to 50 kW. All units arrive with control systems that allows time sensitive programming and customization enabling specific customer requirements to be met. The range is ratified with an ERP rating of A +++ and A ++.

Rinnai offers full technical support including a Design Service plus a Carbon Calculation Service which considers design from a holistic perspective of capital expenditure, operational expenditure, and carbon savings.

Rinnai’s H3 range of products include domestic and commercial heat pumps that offer immediate property decarbonisation. Rinnai is determined to provide UK customers with cost effective low carbon solutions towards domestic and commercial hot water and building heating provision.

RINNAI’S H3 DECARBONISATION OFFERS PATHWAYS & CUSTOMER COST REDUCTIONS
FOR COMMERCIAL, DOMESTIC AND OFF-GRID HEATING & HOT WATER DELIVERY
www.rinnai-uk.co.uk/about us/H3

Rinnai’s H3 range of decarbonising products include hydrogen / BioLPG ready technology, hybrid systems, and a wide range of LOW GWP heat pumps and solar thermal. Also, within Rinnai’s H3 range is Infinity hydrogen blend ready and BioLPG ready continuous flow water heaters which are stacked with a multitude of features that ensure long life, robust & durable use, customer satisfaction and product efficiency.

Rinnai’s range of decarbonising products – H1/H2/H3 – consists of heat pump, solar, hydrogen in any configuration, hybrid formats for either residential or commercial applications. Rinnai’s H3 range of products offer contractors, consultants and end users a range of efficient, robust and affordable decarbonising appliances which create practical, economic and technically feasible solutions. The range covers all forms of fuels and appliances currently available – electric, gas, hydrogen, BioLPG, DME solar thermal, low GWP heat pumps and electric water heaters.

Rinnai H1 continuous water heaters and boilers offer practical and economic decarbonization delivered through technological innovation in hydrogen and renewable liquid gas ready technology.

Rinnai’s H1 option is centred on hydrogen, as it is anticipated that clean hydrogen fuels will become internationally energy market-relevant in the future; Rinnai water heaters are hydrogen 20% blends ready and include the world’s first 100% hydrogen-ready hot water heating technology.

Rinnai H2 – Decarbonization simplified with renewable gas-ready units, Solar Thermal and Heat Pump Hybrids. Rinnai H2 is designed to introduce a practical and low-cost option which may suit specific sites and enable multiple decarbonisation pathways with the addition of high performance.

Rinnai H3 – Low-GWP heat pump technology made easy – Rinnai heat pumps are available for domestic and commercial usage with an extensive range of 4 – 115kW appliances.

Rinnai’s H3 heat pumps utilise R32 refrigerant and have favourable COP and SCOP.

Rinnai is a world leading manufacturer of hot water heaters and produces over two million units a year, operating on each of the five continents. The brand has gained an established reputation for producing products that offer high performance, cost efficiency and extended working lives.

Rinnai’s commercial and domestic continuous flow water heaters offer a limitless supply of instantaneous temperature controlled hot water and all units are designed to align with present and future energy sources. Rinnai condensing water heaters accept either existing fuel or hydrogen gas blends. Rinnai units are also suited for off-grid customers who require LPG and BioLPG or DME.

Rinnai products are UKCA certified, A-rated water efficiency, accessed through multiple fuel options and are available for purchase 24/7, 365 days a year. Any unit can be delivered to any UK site within 24 hours. Rinnai offer carbon and cost comparison services that will calculate financial and carbon savings made when investing in a Rinnai system. Rinnai also provide a system design service that will suggest an appropriate system for the property in question. Rinnai offer comprehensive training courses and technical support in all aspects of the water heating industry including detailed CPD’s.

 

 

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Triple timber solution to sustainability

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Technical Editor Bruce Meechan looks at the range of very low carbon solutions available from a major timber frame manufacturer based on the Shropshire – Mid Wales border.

As an offsite manufacturer working across a variety of sectors including commercial, residential and education, Lowfield Timber Frame is well used to being presented with different technical challenges; and to meeting them through the use of different solutions that reflect the versatility of what is arguably nature’s most versatile material.

In essence, Lowfield has in recent years, responded to the demands of both clients and architects for PassivHaus and Near-to-Zero carbon buildings employing twin-wall timber frame, structural insulated panels (SIPs) and now a closed panel system based on timber I-joists.

Darren Jarman, Managing Director for Lowfield Timber Frame, told MMC Magazine: “We have an extensive product range that enables us to respond to clients targeting PassivHaus standard or other very low energy solutions; and we will work with their architects and assessors or other specialist consultants in order to ensure all the details – such as the floor wall junction or foundation connection, achieve the required levels of insulation.

“Some ten years ago we supplied a twin-wall timber frame system for the principal of Munro Associates who was building a new home up in Pitlochry, Scotland. That achieved the level of U-value necessary for PassivHaus – by filling with Warmcel recycled newspaper insulation; and now we are working with PYC Warmcel on a solution featuring 300 mm thick I-joists supplied by Metsa Wood for a social housing scheme featuring low rise homes. We have also built to PassivHaus standards using the Kingspan TEK system; so our product range can really cover all the bases and offer clients solutions to suit their individual needs.”

The architect, Mungo Munro commented: “We do a lot of work for housing associations as well as clients in other sectors, though this was a self-build where Lowfield produced a timber frame to my own design. I went for a double timber frame as it virtually eliminates any cold-bridging and achieved a U-value far better than the Building Standards required.”

Amongst the other highly sustainable projects Lowfield Timber Frame has helped deliver recently is the Telford Town Park Visitor Centre, offering bicycle hire and a café as well as classroom space. The original intention was to build the walls from straw bales, but the cost would have pushed up the budget so the specification switched to the Kingspan TEK system.

The jointing arrangement for the SIPs system helped keep the air leakage rate to around 1 m3/m2/hr at 50 Pascals. The addition of a high performance vapour control layer as part of the building envelope meant the overall airtightness figure for the finished structure outperformed the PassivHaus requirement at 0.58 m3/m2/hr. In terms of insulation value, combined with Kingspan Thermawall TW55 boards, the U-value for the Tek walls was 0.14 W/m2K.

Lowfield also contributed to the conversion of an eyesore, asbestos-clad packing shed into a stunning studio on the outskirts of Leamington Spa; which earned the architect, Sjolander de Cruz, the RIBA Sustainable Project of the Year Award.

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