BOILERS, PUMPS & VALVES


And... relax! New hotel sets the standard for energy efficiency


A clever combination of renewable and high-efficiency heating and hot water technologies is ensuring maximum comfort for


guests at Slough’s new Moxy hotel and Residence Inn apartments, while minimising the building’s carbon footprint. Neville Small, key accounts director at Baxi Heating, explains


in a short time to satisfy demand. A key benefit of this approach is that it reduces energy loss between peak periods as the system will only use energy when hot water is required.


H


otels need to ensure their guests are warm, comfortable, well-fed and happy. This,


however, can require a significant amount of energy usage – but, hotels need to reduce their impact on the environment. This challenge has, however, been successfully addressed and achieved at an exciting new dual-branded hotel in the heart of Slough. Part of a wider mixed-use regeneration


scheme delivered by Morgan Sindall Construction for Slough Urban Renewal (SUR), the new nine-storey Marriott International hotel, which operates under the Moxy and Residence Inn brands, has been awarded a BREEAM ‘Very Good’ rating for its energy performance. The rating, which reflects the energy efficiency


of the building, how sustainably it was built and how well it will respond to user needs, is particularly impressive given the traditionally high energy consumption in hotels.


HOW WAS THIS ACHIEVED? Heating and hot water are together typically the largest user of energy in hotels and, at the same time, central to guest comfort. Ensuring an energy-efficient solution that would meet all the requirements at the development was therefore critical to the success of this project. With 244 luxury bedrooms in total across the


two hotels, and a restaurant and bar in each, hot water demand is understandably high. Hot water usage in hotel buildings is often


characterised by extremely high peaks followed by longer periods of low demand. For example, large numbers of guests taking a shower first thing in the morning will usually be followed by very little need for hot water throughout the day. A second peak will then occur in the evening – either due to guests taking baths, or for end of service in the hotel restaurant, and the cleaning down period for the kitchens. Direct-fired condensing gas water heaters


are an effective solution to meeting the sudden peaks as they can deliver large volumes of water


www.energymanagementmag.co.uk


A LOW ENERGY SOLUTION Two Andrews Water Heaters SUPAflo EVO SF64 direct-fired condensing water heaters were selected as the best solution for this project. Designed specifically for high demand environments, these units can produce a continuous supply of hot water at a superior recovery rate of 4,900 litres an hour. At the double-decker hotel, they are complemented by two Andrews Water Heaters 780-litre glass-lined buffer vessels, to ensure that the system will satisfy the requirement for hot water during periods of peak demand and high occupancy. Natural ventilation heat


The SUPAflo EVO SF64 direct-fired condensing water heaters


recycling units (NVHRs) provide a low-energy solution to maintaining optimum temperatures within the hotel building and minimising carbon emissions. Working alongside the NVHRs to ensure reliable space heating at all times are two compact Remeha Gas 220 Ace 300 condensing boilers, chosen for their reliability, high efficiencies and flexible design.


THE HOTELS ARE NOW OPEN The new hotels, which opened their doors at the start of February, deliver both environmentally and aesthetically. The Moxy, which provides 152 luxury bedrooms, follows a unique design theme with Thunderbirds graphics in honour of the vintage series filmed in the town by its creator Gerry Anderson. The Residence Inn’s 92 suites, in contrast, are designed with longer-staying guests in mind and boast fantastic views of the London skyline. Further contributing to the low carbon footprint of the development are the photo-voltaic (PV) solar


panels installed on the roof of the building that generate renewable electricity for use within the hotels. Thanks to an excellent working


relationship between the project partners, both hotels were able to open three-months ahead of schedule, safely and in line with government guidelines. Early engagement between Morgan Sindall and Baxi Heating in particular provided the opportunity


to collaborate on the most appropriate total commercial heating solution while avoiding any potential delays from multiple deliveries. “We were proud to deliver this fantastic new


development ahead of schedule, during the logistically challenging period of COVID-19 restrictions,” commented Steven Vaux, senior project manager at Morgan Sindall Construction. “This was due in part to the great relationship across the project team, including with our suppliers Baxi Heating.”


Baxi Heating www.baxiheating.co.uk


For information on the Andrews Water Heaters SUPAflo EVO series, visit: https://www.andrewswaterheaters.co.uk/products/condensing-water-heaters/supaflo-evo For more information on the Remeha Gas 220 Ace condensing boiler range, visit: https://www.remeha.co.uk/products/floor-standing-range/gas-220-ace


Two compact Remeha Gas 220 Ace 300 condensing boilers were chosen due to their reliability, high efficiency and flexible design


ENERGY MANAGEMENT - Autumn 2021


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