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Energy Efficiency Ideal Commercial Boilers work out at Lymington Health & Leisure Four Ideal Commercial Evomax 100 boilers with frame and header kits have been installed as part of an extensive retrofit at the Lymington Health & Leisure centre in Lymington, Hampshire. The new Evomax boilers, which were specified by loyal customer New Forest District Council, were installed in the boiler room to supplement two older, standard efficiency boilers which were deemed to be inefficient and did not modulate, meaning output was all or nothing when fired. New Forest District Council have implemented a programme of refurbishments across numerous council sites involving Evomax and other Ideal Commercial boilers. The council has found the combination of ease of installation and high efficiency readings to be very impressive, along with an attractive appearance. The introduction by Ideal of the new Multiline cascade flue assembly allowed more of the work to be carried out by the council, thereby reducing the cost of the flue specialist materials and labour. Rob Sowden, Council Engineer for New Forest District Council, was able to carry out the majority of the installation himself as well as ensuring continuous hot water between the old and new systems. Rob was particularly impressed with the support he received: “As usual, the technical back-up from Ideal Commercial Boilers was exceptional, especially in the design stage, making sure that we complied with all current regulations.” The new Evomax boilers also make sense financially. “We are predicting a 10% saving on the gas bill every year which equates to £4,000 per annum. The complete project cost under our £30k budget so, at current gas costings, we are hoping the Evomax boilers will pay for themselves in six or seven years,” Rob said. Additionally, the leisure centre can look forward to a quieter boiler room as the existing boilers were very noisy when running. For more information, www.idealcommercialboilers.com. Oxford Brookes University finds the answer with EyeNut Oxford Brookes, one of the UK’s leading modern universities, has chosen the EyeNut monitoring and management system from world leader in the design and development of wireless lighting controls Harvard Technology, as its lighting control system of choice. The university, which has so far rolled EyeNut out across three buildings, initially achieved savings of 30% through the implementation of control strategies including daylight dimming and occupancy detection. Oxford Brookes then requested an illuminance capping exercise was performed to ensure light levels were in line were recommended standards and user preferences. Harvard assessed the university’s lighting in accordance with the Chartered Institute of Building Service Engineer’s (CIBSE) interior lighting guide. Lighting inside Oxford Brookes University It was found that lumen levels were 15% to 45% higher than the users required. By capping lighting in line with CIBSE recommendations, energy was reduced by a further 27%, equating to total savings of 48%. Steve Holtom, energy manager at Oxford Brookes University, said, “We never thought that we would be able to achieve such impressive savings by implementing a lighting control system. We are now looking at rolling EyeNut out across further sites, including student residence blocks. Now we have the system in place, installing EyeNut in additional buildings is really easy and cost-effective.” Colin Shockledge, specification manager at Harvard Technology, added, “We are really happy with the savings gained at Oxford Brookes University. EyeNut is a fantastic solution for universities, allowing remote access controls over the whole estate not only in new build situations, but in particular within older heritage buildings. However, regardless of the industry leading wireless connectivity, the main purpose of EyeNut is to save energy and this study has proven the effectiveness of the system” he said. The installation of EyeNut is part of Oxford Brookes’ 10 year estates refurbishment plan. So far, when factoring in the other three buildings currently under refurbishment, savings achieved by EyeNut have equated to substantial financial reductions of £13,000 per annum. 42 Refurb retrofit magazine Sep/Oct 2016 R1 www.harvardtechnology.com
Pegler Yorkshire Completes Static Valve Offering To ensure heating and ventilation systems work to their optimum efficiency valves are a key element. Pegler Yorkshire with its foundations held in the development and manufacturing of valves, is increasing its Static Valve offering which incorporates ultra low and medium flow static products to compliment all flow variables. “Standard practice of installed HVAC systems is to ensure minimal loss of hydraulic flow. Therefore, regulating flow and keeping pressure loss to a minimum is essential in the optimum efficiency of a system,” said Sindar Singh, Climate Control Market Manager for Pegler Yorkshire Within the Ballorex Commercial Valves range the Pegler 1260 fixed commissioning double regulating valves incorporate a fixed plate orifice for accurate flow measurement and regulation. The design includes an oblique pattern body and easily accessible test points for use during commissioning. The company has developed straightforward valve selection process targeting ‘application areas’ which ensures the right valve is chosen to support function, size, performance and optimization The three key areas are identified as Source – which is focused around plant / boiler centres, Network which encompasses the distribution of heating and potable building systems, and finally the Zone that is the occupied function zone, such as an apartment, office or ward where the heat or water is emitted. We can safely say that requirements for the Source area would be centred on large sized valves. Within the Network area valves are used to control water flow and balance the heat and cooling distribution to different locations. The next point of use is classed as the Zone area, for example heating, this consists of pre-set valves for either panels or radiators through to modular valves units used on fan coil units “The additional valves incorporated into the Ballorex portfolio will mostly be used within the Network application area”concluded Sindar. For further information about any of Pegler Yorkshire’s products and solutions call 01302 560 560. email brochures@pegleryorkshire.co.uk or visit www.pegleryorkshire.co.uk. Sep/Oct 2016 R1 Refurb retrofit 43 magazine
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