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Air Handling Units: Carrier ahus emphasise heat recovery and more choice

A DEFINITE trend acknowledged at Carrier is the specification and installation of more and more Carrier equipment as integrated systems with Carrier chillers being perfectly matched to Carrier air handling units and, increasingly, to fan coils too.

This was a market interest that was spotted some time ago by Carrier and has been supported by product and customer support developments during the last two years. At Carrier headquarters in Leatherhead, a systems support team includes relevant technical experts and now manages a large number of controls engineers.

In product terms the fan coils and the air handling unit products are also developing, with announcements on new heat recovery and energy-saving products expected shortly.

The, still relatively new, Carrier 39 HQ series of modular Airovision air handling units has proved to be a successful platform from which to develop other products. The Airovision demonstrates all of the best possible technological features of a state-of-the-art air handling unit.

More than 40 features make up the armoury of design excellence of this product. The standard product range includes 120 different sizes with a nominal selection range between 0.5m3/s and 35m3/s, with options to go higher. The sizes increase in air-flow steps of approximately 12%. The selection is optimised for each air volume and component combination.

Last year the Airostar 39 SQ range was launched and represented a new approach enabling a number of standard models to be selected with pre-selected popular specifications. This concept is to be extended this year.


The 39 SQ already suits many medium-sized UK air distribution requirements. It offers air flows between 0.4 - 4.7 m3/s. There are many standard situations that call for air handling but don't require high spec customised solutions. An average size classroom has a surface of approximately 70m2 and a volume of around 200m3. A standard office has a surface of approximately 10m2 with a volume of around 30m3. Six sizes are available in this range with different standard configuration options. The next set of air handling products to be offered by Carrier will focus on additional heat recovery products and the integration of sophisticated controls packages enabling a much greater range of energy management options.


Carrier's air handling unit ranges are designed and manufactured at the Carrier Holland Heating factory in the Netherlands renowned for the quality of its engineering. Build quality is paramount in the manufacturing aspects of the design with 60mm insulated panels as a base standard and completely smooth internal surfaces being taken for granted. The panel design and frame detail eliminate any chance of condensation forming in or on the casing, and minimizes heat transfer up to the new Eurovent norms EN 1886 classes of TB2, T2. A high level of investment in research and development ensures the engineering always exceeds customer expectations.

'Quick selector'

Carrier Air Conditioning has also developed a quick selection tool for easy specification or comparison of its air handling unit ranges. The release coincides with the introduction of the latest comprehensive technical product catalogue for Carrier's ahu ranges. This contains both product descriptions and technical specifications.

For copies of the brochure email or call 0970 843 0333.

1 May 2007


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