Ambi-Rad Nor-Ray-Vac continuous radiant-tube heating offers 92% thermal efficiency and even, comfortable temperatures throughout the Enginuity Centre at Ironbridge Gorge.

Heating airtight buildings

The air-leakage requirements of the latest Building Regulations will have an effect on space heating systems. KEITH SPRAGUE explains how radiant and warm-air systems will fare under the new regulations.

Warm-air heating is the right route for bus depot

A warm-air heating system from Reznor positioned to create a cyclonic rotating air-distribution effect is maintaining comfortable temperatures in Ensign Buses’ large depot and maintenance facility.

Combining the best features of centralised boiler plant with the individual supply of space heating and hot water for dwellings — SAV’s FloCon unit is based around a plate heat exchanger and sophisticated control.

The return of centralised plant

LARS FABRICUS describes how central energy plant can be used with local hot water generators in dwellings for maximum efficiency

Savings in installation time and space requirements for these Keston boilers installed at Eastbourne College were achieved by supplying them in a bespoke rig.

Keston boilers meet educational challenge

Keston Boilers has supplied two SEDBUK A rated high-efficiency C55 boilers for the new £34 million Nugent House annexe of Eastbourne College. For speed of installation, the boilers were built into a bespoke floor-standing rig. Savings in installation costs were also made possible by the small-diameter flue system, which can run up to 45 m vertically or horizontally.

Stiebel Eltron heat pumps extracting heat from the ground are to provide heating for houses on the Isle of Skye.

Isle of Skye exploits ground-source heat pumps

Stiebel Eltron has won a contract to supply heat pumps for 41 houses on the Isle of Skye. They will extract heat from the ground.

Underfloor heating is well suited to large projects and makes efficient use of energy. This is the Eden Project in Cornwall.

Exploring the benefits of underfloor heating

Comfort levels, space restrictions, interior design — the arguments for underfloor heating are endless. REX INGRAM gives advice on the planning and design of underfloor heating system.

Effective and safe heating for this new primary school in Norfolk is provided by a Robbens underfloor heating system.

New church school enjoys underfloor heating

Comfort and safety for children in a new primary have been achieved using a Robbens underfloor heating system. The new Church of England primary school at Yaxham in Norfolk replaces a building dating from the nineteenth century.

Effective heating and ventilation for large spaces — the Econo-Air 3000 series from Stokvis Energy Systems.

Space heating with continuous ventilation

The Econo-Air 3000 series of direct-fired gas heating and ventilating system from Stokvis Energy Systems incorporates high-efficiency burner and controls to optimise energy usage, minimise the effects of draughts and cold penetration, and instantly respond to falls in internal temperature.

Effective underfloor heating for the Pier Arts Centre in Stromness is provided by Raychem electrical systems.

Electric underfloor heating for Orkney arts centre

Energy-efficient underfloor heating systems are being installed in the Piers Arts Centre in Stromness, Orkney, to provide background heating. The museum is being renovated and regenerated, with an extension to link the two existing buildings. The Raychem systems are being used extensively, including the entrance, galleries, lobbies and cloakroom areas.

Ancient and modern — this penthouse created as part of the conversion of a church is heated by an Even-Heat underfloor system.

Church conversion enjoys underfloor heating

Heating for a luxury penthouse created during the conversion of a church into 12 apartments is provided by an Even-Heat underfloor heating system.

Among the wide range of electric heating products from Dimplex is this modular range of air curtains for doorways.

Dimplex is a hot performer

The heating range of Dimplex includes products for most commercial, light-industrial and domestic applications — enabling the creation of fully integrated heating systems or the provision of localised room or spot heating.

Electric central-heating boiler that is easy to install and operate — the Redring Hotbox.

Electric boiler provides simple wet-heating solution

The Redring Hotbox electric boiler provides economical heating where space is limited or gas is unavailable. These boilers drive sealed wet systems in light-commercial or domestic situations. They can deliver a flow temperature of 60°C to eight radiators against an outside temperature of 0°C.

A host of new design features for Ferroli’s new Optimax combi and system range of boilers contribute to making life easier for the installer and service engineer.

New boilers give more servicing space in same size of case

14 engineering upgrades suggested by extensive customer feedback are incorporated into Ferroli’s new Optimax HE combi and system boilers. Almost all involve making life easier for the installer and service engineer by giving all parts and connections more hand and tool space — without increasing the size of the boiler.

Representing the new generation of electric heaters designed to comply with Part L of the new Building Regulations is the Euro-4 range from Chatsworth Heating. All the heaters in a system can be individually controlled from a main programmer.

Electric heating is part of the solution

Electric heating itself does not emit carbon dioxide, and nor need the generation of electricity from renewable and nuclear sources. DAVID RUMBLES reflects on a new future.

Heating costs can be reduced by up to 30% using Airflow Developments’ Economiser fan to prevent stratification.

Reducing heating costs in buildings with high roofs

A reduction in heating costs of up to 30% is claimed by Airflow Developments by using its Economiser to take warm air from the roof void in large buildings and redirect it back down to floor level. This claim is substantiated by an independent investigation carried out by BSRIA. The product lends itself to use in retail warehouses, factories and community leisure facilities.

Unconventional underfloor heating cuts building schedule

Nearly 2500 m2 of underfloor heating has been installed at Young Options College in Shifnal, Shropshire. Unusually, the tubing was installed by fixing it directly to the reinforcing mesh within the slab by Thermo-floor rather than installing onto the slab and then covering it with a screed.

Underfloor-heating qualification under development

UHMA (the Underfloor Heating Manufacturers’ Association) has launched the UK’s first independent training course in the design and installation of underfloor heating.

BSS has enlarged its BOSS range of heating products with U-tube radiant heaters.

BSS boosts radiant- heating range

BSS has added a new range of tubular radiant heaters to its portfolio of BOSS-branded products.

LST radiators are performance certified

Autron’s range of LST (low surface temperature) radiators has been independently tested by BSRIA for heating output and casing temperature — ensuring that specifiers, contractors and users can be confident of quoted performance data.

Electric heaters for commercial applications and with a surface temperature of less than 43°C have been developed by Coverad.

Coverad redefines the electric heater

Coverad has developed a range of induced-airflow electric heaters for commercial applications that meet the needs of current legislation and cater for a market where safety, electrical efficiency, ease of installation, low maintenance and robust construction are required.

Professional underfloor heating — Osma’s new guide.

Underfloor heating for professionals

Osma Underfloor Heating has published a new guide for professional heating installers. It describes the wide range of solutions from the company and provides best-practice advice for working with underfloor heating systems in commercial and domestic applications.

Boilers such as the Buderus GB162, shown here in cascade operation, come as standard with an energy-management system.

Design issues for commercial heating systems

PETE MILLS looks at some key considerations in designing commercial heating installations to maximise the potential of gas-fired condensing boilers.

The importance of understanding where a client sees value — Nick Cullen

Perspectives on value engineering

NICK CULLEN stresses that value engineering should be solely focused on the interests of the client.

Savings in installation time of over 40% for LindabSafe pre-sealed ducting have helped ensure that the new stadium of Doncaster Rovers FC did not incur the penalties of extra time.

No need for extra time with pre-sealed ductwork

The speed of installation of LindabSafe ductwork in the new stadium of Doncaster Rovers has helped reduce the risk of the project moving into extra time.

With over 90% of the life-cycle costs of the life-cycle costs associated with fixed-speed pumps being due to energy consumption, the case for variable-speed pumps, which can achieve energy savings of 20 to 50%, is strong indeed.

Spend more, save even more

Value engineering can offer significant benefits for organisations looking to improve energy efficiencies from their building systems, argues LEE TABBATT

20 km of Cablofil steel-wire cable tray has considerably reduced the installation time for cabled services at this new cancer-treatment centre in Glasgow.

Cable tray cuts labour costs for cancer-treatment centre

Considerable reductions in installation time for cabled services in the new £87 million cancer-treatment centre in Glasgow have been achieved using Cablofil steel-wire cable tray.

Savings in running costs of over £50 000 a year are being delivered in this factory using

Long-life luminaires cut life-cycle costs for Knauf

Operational savings of over £50 000 a year are being achieved following the installation of long-life, maintenance-free Endurance luminaires from Chalmor. These luminaires have been installed in the new warehouse and factory of Knauf Drywall in South Humberside.

Fifth-generation lighting control from TridonicAtco offers outstanding price/performance ratio.

New-generation lighting control offers greater value

An outstanding price/performance ratio is claimed for the fifth generation of digital, dimmable lighting controls from TridonicAtco. The PCA T5 ECO lp range combines DSI technology, switchDIM and intelligent protection mechanism in a plug-and-play solution.

Making possible installation economies in the new Cheshire & Merseyside NHS Treatment Centre at Halton Hospital is the native BACnet capability of ABB HVAC drives.

BACnet capability drives economies for ABB HVAC drives

Ease of integration with building-management systems has led to ABB HVAC drives being installed at the new Cheshire & Merseyside NHS Treatment Centre based at Halton Hospital.

Fig. 2. A coil utilising micro-channel tubes has better heat transfer than standard coil construction.

Delivering cost-effective improvement to chiller design

ANDREW KEOGH discusses the benefits of different heat-exchanger technology on chiller design.

Radiant heating was chosen for this new bus garage in Diss on the basis of whole-life costs.

Radiant heating scores on whole-life cost analysis

Following an analysis of whole-life costs for heating its new garage, Simonds, which operates coach and bus services, has chosen an Ambi-Rad radiant-heating system.

Passive infrared sensors can turn lighting on and off depending on whether a room is occupied or not.

Reducing the energy consumption of lighting

PAUL DAVIDSON explores a range of approaches to reducing longer-term lighting costs.

CIBSE and Carbon Trust show the way to tons of carbon savings in 100 days

CIBSE’s campaign to reduce carbon emissions this summer was an outstanding success. The outcome shows clearly just how much can be done for a small effort and investment. Our coverage of this campaign highlights the achievement of some of the award winners, with useful lessons for readers keen to mimic their success.

Andrew Harvie used the 100-days campaign to initiate a long-term energy strategy for the Peacock Group.

Peacock Group looks to the long term

A long-term energy strategy for the Peacock Group includes a simple approach to preventing electrical equipment being left on overnight unnecessarily.

The award for the best carbon-saving campaign was won by United Business Media for its campaign to reduce carbon emissions at Ludgate House in London. The campaign saved 99 t of carbon dioxide.

Acclaim for best campaign, but building shortcomings are revealed

United Business Media mounted a good carbon-saving campaign at Ludgate House in London, but it is clear that there is far to go.

Carbon-saving champion Gary Hughes, from the Copthorne Hotel in Cardiff, built on previous efforts to further reduce carbon-dioxide emissiosn by 10.2%.

100 days is just part of ongoing campaign for Copthorne Hotel at Cardiff

Even with five years of energy-saving initiatives under its belt, the Copthorne Hotel at Cardiff was able to embark on enough new measures to scoop the award for the most carbon saved.

Cool operators — staff at the Exeter office of architects Lacey Hickie Caley were given a ‘clothes-off’ day as long as they took other steps to reduce their carbon and energy use.

Clothes-off day at architectural practice reveals opportunities for energy saving

Everyone in the Exeter office of a firm of architects is more aware of

energy-conservation opportunities.

Advancing the science of smoke ventilation

In even moderately tall buildings, measures to clear smoke in the event of a fire take up valuable floor space. A new approach by Colt considerably reduces that space requirement.

Monodraught SunPipes have become part of the standard specification for projects of the British Antarctic Survey. This is Bird Island, which includes seven SunPipes, each 300 mm in diameter.

SunPipes bring light to the British Antarctic Survey

To maximise the use of daylight in new accommodation units and laboratory for the British Antarctic Survey at Bird Island, South Georgia, Monodraught SunPipes have been installed. The site has continuous daylight for about 10 weeks of the summer and very long days for about six months. In the winter, it is either dark or the Sun does not appear above the horizon.

Flexibility for current requirements and future needs is provided by Mitsubishi VRF air conditioning installed at Dudley Magistrates’ Court by Weatherite Building Services.

Weatherite is called to magistrates’ court

Weatherite Building Services has installed a new air-conditioning system at the Magistrates’ Court in Dudley, West Midlands.

Third-generation lighting control switches from Steinel are being used in the new control tower for Terminal 5 at Heathrow Airport.

Steinel in control at T5

Steinel’s third-generation lighting controller switches are controlling lighting in and around the new control tower at Terminal 5 at Heathrow Airport.

Two prestigious residential developments in West London have their hot-water requirements met centrally using Andrews gas-fired condensing water heaters.

Centralised hot water for prestigious residential developments

Centralised hot-water services for two prestigious residential developments in West London are provided by installations based on Andrews water heaters. Consultants Chapman Bathurst specified the equipment for The Phillimores (the redevelopment of Queen Elizabeth College in Duchess of Bedford Walk) and Phillimore Square (a project on the Sir John Atkins site, which formed part of King’s College and includes the creation of a new residential square).

Marking Vokera’s entry into the light-commercial market is this CondexaPRO installation for New Charter Building Company.

Vokera shows its capabilities in light-commercial market

Vokera’s recently launched CondexaPRO boiler has been installed in the head office and warehouse of the New Charter Building Company as part of the upgrading of the heating system.

At the heart of back-up power system for Servebase Global Card Solutions is a Scorpion 175 kW diesel generator with a super-silent acoustic canopy and automatic mains failure.

Scorpion Power Systems delivers backup power for credit-card company

A tailor-made backup-power solution has been devised by Scorpion Power Systems to support the expanding IT network of Servebase Global Card Solutions. Servebase is a significant player in EFTPOS and card-processing software and wanted to ensure that it could always respond to customer demand, even during a mains power failure.

These Star Indigochillers have been installed at BSkyB’s headquarters in London to minimise the leakage of refrigerant.

BSkyB minimises risk of refrigerant leakage

Star Refrigeration has now completed the installation of an Indigochiller cooling system to serve the headquarters of BSkyB in London. The Indigochiller uses R134a and has electromagnetic bearings in the compressor to eliminate the leakage of refrigerant. It was development in direct response to proposed F-gas regulations.

Cooling to protect the exhibits in this new exhibition hall in Berlin and deliver comfort for visitors is provided by three Carrier Global chillers.

Carrier adds new Berlin venue to its list of museum projects

Carrier has added to its list of museums using its equipment for air conditioning with an installation for the a new exhibition hall at the Deutsche Historische Museum in Berlin. It was designed by Chinese-American architect leoh Ming Pei and houses a permanent exhibition depicting German history in images and eye-witness reports. Other Carrier museum projects include Tate Modern in London and the Uffizi in Florence. The frescoes of the Sistine Chapel in Rome are also protected by Carrier air conditioning.

LindabSafe ductwork and components deliver the dehumidified air that is preventing further corrosion of ss Great Britain below the glass roof representing the waterline. (Photo. ss Great Britain Trust, Mandy Reynolds)

LindabSafe keeps ss Great Britain shipshape

The moisture-free environment that is vital to the preservation of one of Brunel’s iconic projects, the ss Great Britain, is delivered by ductwork based on LindabSafe presealed spiral ducting.

Special cowls added to the outdoor units of a Toshiba VRF system for computer server rooms supporting the administration of the whole of Derbyshire help facilitate air rejection from this concealed location.

Toshiba VRF systems provide solution for cooling computer server rooms in Derbyshire

Computer server rooms supporting the administration of the whole of Derbyshire are being kept at the required temperature by a strategic combination of Toshiba 2-pipe and 3-pipe VRF systems. The SMMS and SHRM systems use R410A.

All the hot-water requirements for this new fitness centre in Flintshire are met by an installation of three Rinnai Infinity HD water heaters delivery hot water on demand without storage.

Rinnai water heaters demonstrate their capabilities at fitness centre

Instantaneous hot water to meet the requirements of the LyonsDen Fitness Centre at Bagillt in Flintshire is generated by three Rinnai Infinity HD50i water heaters.

An LG VRF air conditioning system provides comfort cooling for the Arsenal shop at the new Emirates Stadium.

LG cools club shop at Emirates Stadium

Cooling for the club shop of Arsenal FC in the new Emirates Stadium is provided by an LG VRF air-conditioning system.