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Multi-service chilled beams can be very effective at servicing office buildings, particularly in refurbishing existing buildings to modern standards. NIGEL ATKINSON explores their considerable potential

There are many ways of testing the thermal and acoustic performance of fan-coil units for air-conditioning systems. JULIAN JOWITT compares them.

Trox has supplied over 600 fan-coil units and a range of grilles and diffusers for the refurbishment of Unilever House in London in a £600 000 contract.

Two VRF air-conditioning systems powered by natural gas have been installed at the headquarters of Strathclyde Fire & Rescue at Hamilton. The Sanyo units were supplied by McQuay UK to provide heating and cooling for the 420 m2 office complex. The overall system comprises two 3-pipe GHP units on the roof and 48 indoor units.

Axair Climate has moved into the market for fan-coil units by setting up a partnership with Ability, a major manufacturer of FCUs and based in Dorset.

Using induction systems to air condition a building may seem old fashioned today, but it can be the ideal solution for a range of applications, according to ROMAN NEMECZEK

With the use of many refrigerants coming under environmental pressure, attention is being focused on ammonia for air-conditioning applications. ROB LAMB explores the issues

JOHN GARBUTT highlights energy-efficiency issue for ductwork in the latest Building Regulations.

The strength of VRV/VRF air conditioning in the UK has grown as the capability of these systems has evolved. MARK DYER examines this ever-growing market.

Vaillant is entering the UK air-conditioning market with a range of energy-efficient high-wall and cassette split systems. Well known for innovation and service in domestic heating, Vaillant is initially concentrating on the domestic and light-commercial market, before moving into the large-commercial and heavy industrial sectors.

Multi-service chilled beams are more than air-conditioning units. They can combine various elements to produce a cost-effective, attractive, easy-to-install unit that maximises siting flexibility and minimises costs — says TERRY FARTHING

Carrier is targeting the residential and light-commercial markets for air conditioning with a range of 10 new products. Many more are promised.

Air-conditioning and refrigeration distributor Kooltech has placed a £2 million stock order with Mitsubishi to cover summer demand for the M Series and Mr Slim air-conditioning systems.

J&J Design System Specialists teamed up with distributor DYSK air conditioning to provide a tailor-made air-conditioning solution for TD Packaging in Swindon, a large contract packer for the healthcare and pharmaceutical industries. The solution used Sanyo’s ECOi range to meet fluctuating loads in different production areas.

LG has added new colours, finishes and other features and benefits to its Art Cool range of air-conditioning units. Behind the slim profile and clean lines of Art Cool Wide, Mirror and Standard are efficient, effective and advanced air-conditioning units.

Advanced Engineering Technologies has introduced a new controller for fan tile units for its Flexible Space concept featuring Hiross underfloor air conditioning, Nesite raised access flooring and Movinord demountable partitioning.

Samsung has launched an R410A version of its Digital Variable Multi VRF air-conditioning system. The launch of DVM2 is the first stage of introducing over a hundred new products during 2006.

The increasing importance of building services commissioning has been recognised with the launch of the first ever National Vocational Qualification (NVQ) in the subject. This is a timely boost for the profession, says ROGER CLARKE

Not only does the dynamic balancing simplify the commissioning of wet systems, it brings many design, installation and operating benefits. STEPHEN HART explains.

STEVE AVERY explains the thinking behind Carrier setting up its own commissioning team and the benefits of a manufacturing becoming so closely involved with projects.

The commissioning requirements of a new hospital in Lewisham are met by a range of valves from Crane Fluid Systems.

Oventrop has developed a valve that simplifies the commissioning of domestic-hot-water systems and provides significant energy savings by thermostatically controlling temperature and flow in the system.

SAV has added centralised control to its commissioning modules for fan-coil units. By centralising the control capability for up to six fan-coil units at the module, site wiring is simplified — with only a single cable being required to connect to the module to the building-management system. It enables commissioning engineers to perform a range of tasks from a central point.

One effect of the Energy Technology List and Enhanced Capital Allowances has been to impose higher standards of efficiency for radiant heating — a challenge that Ambi-Rad has responded to.

Over a hundred HVAC drives with native BACnet capability have been installed in the new Blackburn Hospital, which is the firs major building in the UK to use to BACnet communications protocol to control its building services. One of the key benefits is a significant time saving during commissioning.