Flexible Duct Hangers - The Right Way to Hang Flexible Air Conditioning Duct

!±8± Flexible Duct Hangers - The Right Way to Hang Flexible Air Conditioning Duct

An important issue today in relation to the efficiency of air-conditioning systems is the hanging of flexible duct so as not to impede or restrict air-flows. FDH - Flexible duct hangers have a unique adjustable design which allows ease of correct installation of flexible duct to help solve this problem.

Throughout the world there is a common problem in a lot of ducted air-conditioning systems, that problem, inefficiency. When air-conditioning systems are installed, be they industrial, commercial or domestic systems, problems arise which cause power consuming inefficiency like thermal loss. This inefficiency stems from the restriction of required/designed airflow rates. The source of this problem is the incorrect installation of flexible duct.

Currently, flexible duct is being hung using various non-compliant materials and methods - if at all. Some of these materials are; blue plastic packing strap and a piece gutter guard, duct tape, foil insulation tape, string and strips of wire to name a few. The uses of these materials can and sometimes do cut into the foil or plastic outer jacket of the duct allowing air leakage. The coiling, distorting, crushing and kinking of the duct creates not only restrictions in the airflow but also poor thermal effectiveness of the insulation. In some extreme cases, the over pressurisation of air in the duct can cause excessive leakage or "blow-out" of the duct, or even overworking of the fan leading to possible breakdown and costly service call.

There is an industry practice to hang flexible duct to various standards, in America for instance, the standard is called the S.M.A.C.N.A. Standards. Where in Australia it is a requirement of Australian Standards AS4254 (2002), which is almost a mirror image of the American Standard. Section 2.8.5 of AS4254 gives a brief overview of what is required. This section will need to be updated in 2009 to incorporate the new Building Code of Australia (BCA) Section "J" duct insulation requirements which are being brought into force this year. The BCA now requires a minimum duct insulation thicknesses for ducted air-conditioning systems, be they rigid type or flexible duct type. The minimum insulation thickness is now 38mm, whereas formerly it was 25mm.

Using a correct method of installation as per the standards and an easily adjustable flexible duct hanger material could ensure these problems being elevated. When flexible duct is hung correctly, the air conditioned air flows unimpeded to the diffuser to evenly disperse the warm or cool air as required. The wear and tear on the fan coil unit is reduced as it is not working as hard against a restricted airflow path. An efficient system would in turn use less power, saving money in operation time and servicing breakdowns.

Flexible Duct Hangers - The Right Way to Hang Flexible Air Conditioning Duct

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NuTone Model QT9093WH Combination Fan/Heater/Light/Night Light, 110 CFM 3.0 Sones with 4-Inch Duct Connector

!±8± NuTone Model QT9093WH Combination Fan/Heater/Light/Night Light, 110 CFM 3.0 Sones with 4-Inch Duct Connector

Brand : Nutone | Rate : | Price : $278.00
Post Date : Jan 02, 2012 21:00:27 | Usually ships in 1-2 business days

Broan-NuTone QT9093WH 110 CFM, 3.0 Sones, Combination fan with 1500W heater, 100W incandescent light, 7W night-light and white enamel grille. Includes a four-function wall switch. 4" duct connector. Four great benefits in one simple installation! Broan-NuTone QT9093WH 110 CFM, 3.0 Sones, Combination fan with 1500W heater, 100W incandescent light, 7W night-light and white enamel grille. Includes a four-function wall switch. 4" duct connector. Features: Soothing heat (fan forced) Powerful ventilation Bright ceiling light Convenient night-light QuieTTest Heat-A-Ventlite

• 110 CFM 3.0 Sones
• Bright ceiling 100 watt and convenient 7 watt for night light and 1500 watts of powerful heat - bulbs not included
• Powerful and extra quiet ventilation
• Fits 2-inch by 6-Inch ceiling construction
• Includes a four function wall switch

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