This type of ductwork is usually tube shaped and is made from a wire coil covered in a bendable but durable plastic.
Black spots flexible ducts attic.
To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for.
Both types of ductwork have specific features pros cons and specifications.
When black mold grows on walls floors carpets and so on it s relatively easy to spot.
Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.
In sweltering cities where temperatures often blow past 110 degrees installing ductwork on roofs and piping cool air through the oven like atmosphere doesn t make sense in terms of energy efficiency.
In order to understand why smart air doesn t recommend any sort of duct cleaning for flex ducts you need to know how flex ducts are designed and made.
If you are in need of our other air duct services contact our houston hvac experts at smart air by calling 281 809 6444 today.
Designer cavin costello of the ranch mine in phoenix uses the approach when remodeling older homes without attic space.
The rigid insulation was saturated from condensation.
But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b.
These are rigid ductwork and flex ductwork.
Use metal flex or fiber board ducts that are insulated to.
I live in montreal and had a lennox air conditioner and ducts installed in the attic.
You may have black mold in your air ducts if you notice any of the following signs.
I found instead a vintage 3 ton ac unit with 1 rigid insulation taped all over it and insulated flex duct snaking all over the poorly insulated attic.
When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space.
Flexible hvac ductwork.
Black dust around air vents.
Sometimes the best route for a flexible duct run is up and over an obstruction.
I was wondering is there any figures on the expected energy temp lose.
Manufacturers then cover the tube in fiberglass insulation.
Most of the time dirt accumulates on ceilings because air is leaking in from the attic between the drywall and the supply register.
However when black mold starts growing in your air vents things get a little trickier.
Duct cleaning can damage flex ducts.