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Posted by Moe Jones on July 29, 2006, 10:09 am
You do realize that will be costly. Have you ever thought of having the duct
cleaned?
I am not a big fan of having the duct cleaned but a number of people thinks
it was worth it.
--
Moe Jones
HVAC Service Technician
Energy Equalizers Inc.
Houston, Texas
> Greetings to everyone,
>
> Background:
>
> I have been doing some research on environmentally friendly ductwork
> installations and have seen many arguments against using uncoated duct
> board. The disadvantages range from a breeding ground for dust mites
> and mold to inhalation of micro fiber particles and formaldehyde.
>
> As I have a newborn in my household and my duct board boxes and lined
> flex hose are all black on the inside, I am looking to replace the
> entire ductwork system. My ductwork is in the attic and will primarily
> be used for cooling a small 1300 sq/ft Florida home.
>
> The entire current system is all lined flex hose connected with
> triangular duct board junction boxes and terminated with duct board
> register boots.
>
>
> Questions:
>
> 1. What are my options for replacing the junctions, plenum, and
> register boots with non fibrous duct board material?
>
>
> 2. If it's sheet metal, is there a way to insulate them just on the
> outside up to R6?
>
>
> 3. My longest current flex hose run is about 11 feet. Is it possible
> to design a system using only flex hose that is properly sized?
>
> Example:
>
> 10 Ft.
> |===============|Boot 1|
> ||
> 9Ft. ||
> Plenum =======|Triangle Junction|
> || ||
> || ||
> 5Ft.|| |============|Boot 2|
> || 11 Ft.
> ||
> |Boot 3|
>
>
> Thank you in advance for any suggestions,
>
> Dmitry
>
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