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VortexAir Hybrid exceeds expectations at family home in Hampshire

VortexAir Hybrid exceeds expectations at family home in Hampshire

Grant Engineering (UK) Ltd

In Autumn 2018, the heating system for a rural property in Hampshire was upgraded during which a Grant VortexAir air source heat pump/ oil boiler hybrid was installed. The installation of this innovative heating product now keeps the household warm, cleverly combining renewable energy with the trusted elements of an oil boiler.
Taylor Wimpey Case Study

Taylor Wimpey Case Study

Calor Gas Ltd

"Being able to use our standard house design was key – LPG boilers fitted perfectly, which meant we didn’t have to redesign each property." Chris McTague Engineering Manager at Taylor Wimpey Midlands
Saltram House, Plymouth

Saltram House, Plymouth

Geberit Sales Ltd

National Trust owned, Saltram House is a magnificent stately home in Plymouth. Home to the Parker family for several generations, Saltram comprises an elegant Georgian façade built around a much earlier building. One of many National Trust premises to get a renewable makeover as part of a general drive to improve the environmental credentials of its buildings, Saltram is now home to a biomass system. Plumbed together using Geberit Mapress Carbon Steel, the new heating consists of 220kW and 95kW boilers fuelled by pellets.
Energy Efficiency Case Study - Hot Water Generation and Distribution Systems

Energy Efficiency Case Study - Hot Water Generation and Distribution Systems

nVent Thermal Management

There are two options to compensate for the heat loss in hot water distribution pipes: using a temperature maintenance cable or a re-circulation pipe. Which option is more sensible from an energy point of view, when using a condensing boiler for hot water generation? A study by the Technical University in Dresden addresses the question of which option is more energy-efficient.The results presented show that a single pipe hot water system that compensates for heat losses with a self-regulating temperature maintenance cable is a better solution.
Booking.com

Booking.com

Billi UK

When Booking.com decided to move their offices to a prime location in Central London, they required a full fit-out. They appointed HLW International, who specified Billi Taps for their main kitchen area, and another tea-point within the office space. Booking.com opted for Billi Quadra Plus 15. With a drainage font in chrome and a gloss finish, the tap delivers instant boiling and chilled water from an XL lever tap at just a touch of a finger, and hot and ambient from a second sink mixer tap – all this from a single under counter boiler unit.
Kingspan Flooring For New Civic Offices In Rochdale

Kingspan Flooring For New Civic Offices In Rochdale

Kingspan Access Floors Ltd

Nearly 13,000m2 of Kingspan access flooring is being installed in new civic offices for Rochdale Metropolitan Borough Council being built by Sir Robert McAlpine. The Kingspan RMG steel encapsulated flooring has a finished floor height of up to 400mm to contain a range of M&E services, including a sealed air plenum system to provide air conditioning, pipework from a biomass boiler to generate sustainable heat, and further pipework carrying rainwater collected from the roof and recycled for toilet flushing. Kingspan began the installation towards the end of March and it is due to be completed in 20 weeks.
Condair humidification at Jaguar Land Rover

Condair humidification at Jaguar Land Rover

Condair Limited

Condair has supplied and installed four evaporative humidification systems to Jaguar Land Rover for use in its exhaust emissions testing facility at the company’s Product Compliance Centre in Solihull. The evaporative humidifiers provide humidity control to two rolling-road engine test cells to ensure compliance with international environmental parameters.Jaguar Land Rover carries out quality control tests on every vehicle before it is despatched. The strict exhaust emission testing must be carried out within a temperature range of 20 to 30°C and a moisture level between 5.5 and 12.2g/kg of dry air.The evaporative humidifiers are replacing several electric steam humidifiers that were proving costly for Jaguar Land Rover to operate in terms of energy and parts. The humidification systems provided by Condair offers much lower running costs without the high maintenance inherent in steam systems.An evaporative humidifier consists of an evaporative module located inside an air handling unit with an external control panel. The evaporative module is a fully bonded particle-free matrix through which the air passes. Water is delivered to the top of the matrix and flows down its corrugated surface. As air passes through, it increases in humidity and is cooled.Rather than heating water with electricity to create steam, as the previous electric steam humidifiers did at Jaguar Land Rover, the air prior to the evaporative humidifier is heated by a gas-fired boiler. The warm dry air then absorbs moisture from the humidifier to reach the set humidity. The same amount of overall energy is required but the economy of using gas rather than electricity as a heat source makes the energy cost around 60% less than electric steam humidifiers.Evaporative humidifiers can operate on mains or demineralised water and can be located in short sections of an AHU as it provides instant evaporation. Unlike steam humidifiers that need regular maintenance to combat scale build-up, the scale that is left behind after evaporation from the matrix is simply washed to drain, reducing maintenance and operating costs.
Condair keeps Christ's Hospital organ in tune

Condair keeps Christ's Hospital organ in tune

Condair Limited

Condair has supplied a Condair CP3 steam humidifier to humidify the school hall organ at Christ’s Hospital School near Horsham, ensuring it resonates correctly and remains in tune whatever the weather.The organ in Christ’s Hospital’s ‘Big School’ is of huge historical importance and great artistic merit. It has its roots in an organ built in 1830 by Elliot & Hill and around 25% of the current pipes date from the original instrument. It was substantially renovated in 1902 and then again in 2012 when a specialist in organ restoration recommended installing humidification and suggested Christ’s Hospital talks to Condair s because of the company’s expertise in this area.Large pipe organs need to have the humidity maintained within their organ chambers in order to preserve the wooden sound boards and sliders. If the air in the organ chamber becomes dry then it will draw moisture from the surrounding wood causing it to suffer dimensional changes. This can cause the sliders to warp and stick, resulting in an unresponsive instrument. By maintaining 55% relative humidity (%RH), the wood is in equilibrium with the air and it retains its moisture content and shape. This is often achieved with small capacity steam humidifiers, like the Condair CP3, which feed steam directly into an organ chamber through a fan unit.Peter Dutton, the school organist at Christ’s Hospital commented: “Condair clearly had experience in working with such ancient and delicate organs and was quickly able to propose the most suitable model, as well as its positioning for installation. It has made a real difference in keeping the humidification in the organ chamber stable and we are now able to play the organ whatever the weather is like outside; even during the cold, dry conditions of last winter.”The Condair CP3 is an electrode boiler steam humidifier that can deliver steam to an air handling unit or directly to a room’s atmosphere. All steam humidifiers require occasional servicing to remove limescale that builds up during operation. The Condair CP3 makes servicing quick and easy as the boiling cylinder is disposable. When servicing is required the cylinder is simply drained, removed and replaced with another, keeping downtime to a minimum.The humidifier incorporates innovative features, such as water conductivity monitoring and staged electrode use, to maximise the lifetime of the cylinder. It is available in sizes from 5-90kg/hr and can operate with standard mains water.Condair has humidified some of the most prestigious concert halls and pipe organs in the world including those at The Sydney Opera House, The Royal Albert Hall, Alexandra Palace and the Royal Opera House in Covent Garden.
Felce and Guy specifies bricks from Vandersanden for The Spa at South Lodge

Felce and Guy specifies bricks from Vandersanden for The Spa at South Lodge

Vandersanden Brick

The Spa at South Lodge, in the heart of the West Sussex countryside, is the picture-perfect, luxury destination for those seeking ultimate relaxation in complete comfort, far away from the pressures and strains of modern life. Designed by Hove-based architectural firm, Felce and Guy, this prestigious 44,000 sq. ft building sits harmoniously in its beautiful, natural setting with external facing bricks from Vandersanden selected to provide regular form, nuanced colours and natural texture for the project. Located in Lower Beeding, near Horsham, The Spa at South Lodge is a purpose-built spa within the grounds of an award winning 5-star hotel. It features a state-of-the-art gym and spin studio, indoor pool, outdoor hydrotherapy pool and wild swimming pool, a thermal suite and treatment rooms for members, hotel residents and spa day guests. In addition, The Spa at South Lodge includes the Ridgeview Beauty Bar and Botanica, a Mediterranean-inspired restaurant. Felce and Guy were commissioned to provide a full architectural design, then appointed as lead consultant and contract administrator to oversee the build carried out by main contractor, Beard Construction. The firm’s design balances the specific needs of the hotel and The Spa at South Lodge’s facilities with a sensitivity to the context of the countryside setting and close proximity to the main hotel. The resultant architecture sympathetically responds to these surroundings with the building deep-set into the landscape, minimising its scale, yet taking full advantage of the extensive views available to guests over the South Downs. As the landscape falls away, leading to natural water forms, so too does the new building with external terracing leading out to a vitality pool and down to an external swim pond. After reviewing and testing different samples in advance, Felce and Guy selected Vandersanden’s Lithium brick in a 50mm size for the project. This attractive, hand-formed facing brick comprises a sanded-coated and grained structure in a muted base grey colour with accompanying shades of buff and black to match the stonework colours of the main building at South Lodge Hotel. Over 100,000 bricks were sourced and supplied for the project by specialist brick distributor, N R Taylor of Lingfield, with the thinness of the brick helping to further reduce the visual scale of the Spa building. The horizontal lines of the brickwork act as a softening counterpoint to the vertical natural green oak cladding and large glass panelling that also feature as key elements in The Spa at South Lodge design. Elsewhere, the Lithium brick has been used in the copings, landscaping and dividing walls which create external contours and help to separate the terraces outside of the building. “The Vandersanden brick works with the other materials in the design to present a very organic aesthetic for The Spa at South Lodge,” says John Chapman of Felce and Guy. “It perfectly complements both the dark sandstone used in the original hotel and its mix of greys and brown as well as the natural surroundings. The straight, clean-lines and regular shape of the Vandersanden brick, together with the raked joint we’ve used, has helped emphasise the horizontality of the building and works especially well with the textured finish of the timber panels. As a practice, we set very high expectations which the Vandersanden bricks have undoubtedly satisfied.” In addition to a curving, meadow-grass roof, which helps to attenuate rainwater flow, the Spa at South Lodge benefits from other sustainable technologies and finishes. A biomass boiler system has been installed, and all drainage is contained on site, using reed bed technology. The existing ponds within the hotel grounds have been modified and extended to benefit the local ecology. Vandersanden itself is building a sustainable future for its business, having already invested in renewable solar and wind energy technologies at its major European production plants and committed to a pathway which will see the manufacture of CO2-neutral bricks by 2050. Underlining the significance of the project to the hotel and its management, every member of staff laid one brick as part of their contribution to The Spa at South Lodge. The project was completed in the Summer of 2019.
Humidity Matters at Jersey Air Traffic Control

Humidity Matters at Jersey Air Traffic Control

Condair Limited

Jersey Air Traffic Control has recently installed four Condair steam humidifiers at its centre in Jersey Airport, which is responsible for the coordination of air traffic in the busy skies above the Channel Islands. Air traffic control is a demanding role, with aircraft and passenger safety its primary goal, and the humidifiers help provide a comfortable and productive environment for air traffic controllers and engineering staff by combatting the visual discomfort created by dry air.The Channel Islands are popular destinations for commercial airlines and private aircraft pilots alike, and high volumes of air traffic pass through its air space. In 2014, there were over 100,000 aircraft departures and arrivals at the three airports of Jersey, Guernsey and Alderney, and almost 2.5M travellers passed in and out of them. The Condair humidifiers serve the iconic Control Tower, which controls the flight arrivals and departures from Jersey Airport itself, and areas in the air Traffic Control Centre, both of which were built in 2010 to accommodate the increasing attraction of flying to and from the islands.Air traffic control in the Channel Islands is a highly responsible role. It has a high visual and mental workload, using purpose-designed interactive screens as essential tools, frequent interaction with aircrew and important decisions being made. Shift work, early starts and late finishes can also have an effect. Les Smallwood, Senior Air Traffic Control Officer at the centre, explains, “The human element is important. In a job where errors could be critical, an environment that is comfortable and considers people’s well-being also supports their working needs. The humidifiers are a part of this.”The need for humidification first became apparent amongst staff wearing contact lenses. Les Smallwood continues, “We use air conditioning to maintain an environment of 21°C but this was drying the air. People’s eyes were becoming uncomfortable, especially for those wearing contact lenses. We used mobile humidifiers at first, to prove the point, before investing in a permanent solution with the Condair humidifiers”. Les confirms that air traffic control staff and the airport’s building services team are pleased with the results.The largest capacity humidifier, a 30kg/h resistive steam humidifier, supplies the air handling system for the first floor of the Air Traffic Control Centre, which includes air traffic control offices and rest areas, to maintain around 50%RH. Three Condair CP3 Mini in-room humidifiers are used to do the same in the Control Tower itself and in the Air Traffic Engineering offices, whose staff are responsible for the good operation of radar, navaids, electronic equipment and associated services.Condair resistive steam humidifiers feature a unique scale collection tank for easy and straightforward maintenance. The Condair CP3 Mini units are compact and discreetly-designed electrode boiler humidifiers, wall-mounted in the areas concerned to deliver up to 4kg/h of pure steam directly into the space. Routine maintenance is quick and kept simple by the easily exchanged boiling cylinders.Jersey Health and Safety Inspectorate’s Display Screen Equipment at Work ACoP, confirms the importance of maintaining of a level of relative humidity that is adequate to prevent the discomfort and sore eyes that are characteristically associated with dry air, as part of an ergonomically-optimised working environment. This echoes the same guidance given in the UK Health & Safety Executive’s DSE ACoP and other European directives.Dry air can be caused by air conditioning and also arises during cooler winter months when indoor relative humidity drops as it is heated. Even in a mild and agreeable climate like Jersey’s, it can be a particular problem for computer screen users, as the air around a screen can be drier and more prone to electrostatic effects than its surroundings, due to the increased temperature locally. Humidifiers effectively address these issues.Maintaining a relative humidity of 40-60% has also been shown to reduce susceptibility to infection by preventing the drying of the moist lining of the mouth, throat and nose, and airborne viruses have been shown to survive for a shorter time at this level. Conveniently, the level of relative humidity that suits people’s health also provides the ideal environment for IT systems and electronic equipment.

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