Company News
Free heat gains with expansion of award-winning NVHR range
B
reathing Buildings has added to its award-winning natural ventilation with heat recycling (NVHR) range with its new NVHR® 1700.
This larger unit is suitable for leisure centres, halls, sport facilities, shopping centres, offi ces, schools, and other buildings with high heat gains, with the NVHR® 1700 off ering excellent ventilation and thermal comfort. Meanwhile, in school classroom applications the NVHR® 1700 now allows one unit to be specifi ed rather than two, which means a simpler and quicker installation. The NVHR® 1700 off ers enhanced natural ventilation with hybrid technology in a slimline, compact, lightweight and energy effi cient unit. The unit is designed to fulfi l the ventilation needs automatically with its demand-controlled equipment, best-in-class fl owrate, low noise levels and low energy consumption. The NVHR® 1700 leads the way in effi ciency with specifi c fan power levels as low as 0.08 W/l/s and in larger applications provides airfl ow rates as high as 540l/s. “The NVHR® 1700 is the ideal ventilation solution for your rooms, making use of their free heat gains to provide superb air quality and excellent thermal comfort without the upfront cost and future maintenance bills – essential in an energy and cost of living crisis,” said Louise McHugh, Operations Leader at Breathing Buildings.
“NVHR® provides ultra-low energy, natural ventilation with hybrid technology, off ering energy savings and so reducing operating costs.”
www.breathingbuildings.com
AWC/AWST monobloc heat pumps off er powerful performance
T
he new AWC/AWST Monobloc from Modutherm is a simple but powerful range of air source heat pumps suitable for heating, cooling and domestic hot water.
AWC Monobloc is available in fi ve models, boasting a heating capacity range of 6kW to 19kW, while AWST is available in four models, with a heating capacity range of 6kW to 15kW, and is paired with a 250-litre stainless steel DHW cylinder. The AWC/AWST Monobloc range also has an A++/A+++ energy rating.
The AWC/AWST Monobloc is designed for both new-build installations and refurbishment projects, where it can replace or supplement an existing heat source, typically reducing energy consumption by 60-80%. The indoor unit benefi ts from a stylish, modern design, while all connections are easily accessible at the top of the product.
The AWC Monobloc uses a heat curve to provide a constant indoor temperature, regardless of how hot or cold it is outdoors. When the external temperature drops, the heat pump raises the temperature of the water to the heating system (and vice versa when it gets warmer outside). The unit can set two heat curves for two diff erent heating circuits, allowing it to run both underfl oor heating and radiators. This feature off ers greater energy-saving potential and, in some cases, eliminates the need to purchase additional system components.
www.modutherm.co.uk
Steep learning curve for Lochinvar heat pumps
E
ight heat pumps provided by Banbury-based manufacturer Lochinvar are helping a leading Further Education college achieve its ambitious sustainability and low carbon goals. South Devon College in Paignton has a 10-year strategy for “putting sustainability at the heart of what we do and making a decade of change.” This includes transforming its campus to achieve net zero carbon emissions with the help of a major plant room upgrade. The college said this approach was part of its contribution “towards creating a greener, cleaner, net zero economy that provides decent jobs and improves quality of life for all”.
Backed by funding from the government’s low carbon Salix fi nance initiative, which has provided £2.7bn of public funds to support public sector carbon reduction projects, the college was able to upgrade its heating and hot water system and incorporate eight Lochinvar heat pumps providing 1.6 megawatts (MW) of heating for the site. This involved making signifi cant changes to the existing heating system supplying the campus so it would work with renewable technologies. Lochinvar worked closely with the contractor Mitie Facilities Management of Cardiff and provided extensive advice to help them design and specify the most appropriate system. Mitie specifi ed eight air-to-water high temperature Amicus heat pumps supplying two 2,000 litre LBT thermal stores also supplied by Lochinvar.
www.lochinvar.ltd.uk
Omnie adds AL HEX heat diff user technology to UFH systems
O
mnie, the underfl oor heating specialist, will be incorporating the advanced AL HEX aluminium diffuser technology on all its foiled underfloor heating systems, as standard, with immediate effect. The patented AL HEX foil, with its trademark hexagonal pattern, increases
the in-channel foiled surface area that is in contact with the warm water pipe. The result is greater heat output, faster heat transfer and a more even heat distribution across a floor area, plus it avoids the risk of damage due to heat ‘striping’.
Striping is caused when heat in the warm water pipe doesn’t diffuse into the floor panel effectively and, instead, creates hot spots and hot lines on the floor surface finish.
Brendan Hourican, OMNIE’s managing director says: “Because it is so efficient at transferring heat, AL HEX works very well with lower water temperatures. This means it improves the performance of the underfloor heating, which is a huge benefit when the system is paired with a heat pump. Right now, homeowners want efficient heating. They want to feel the benefit of every kilowatt of energy they are paying for, to lower the cost of their heating and still stay warm in winter. AL HEX diffuser foil fitted to their underfloor heating panels will help them achieve this.”
https://omnie.co.uk/ https://www.al-hex.com
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