The rigid material is also more difficult to carry and place in the right position. As a result, metal ductwork installation is a lot pricier. Flexible ducts are best suited for branching off the main plenum of your HVAC system. They run throughout the building and carry air to individual ceiling vents.

What does TDC stand for in ductwork?

Using the latest available technology in rectangular duct manufacturing i.e. TDC (Transverse Duct Connector System) which is the ultimate & the most economical method of air tight duct connection in industry also makes sure to save time & material drastically with its well seal, strong and durable joint structure.

What does TDC stand for in ductwork?

Using the latest available technology sheet metal ductwork fabrication in rectangular duct manufacturing i.e. TDC (Transverse Duct Connector System) which is the ultimate & the most economical method of air tight duct connection in industry also makes sure to save time & material drastically with its well seal, strong and durable joint structure.

What is flexible duct made of?

Flex Duct. This is made of flexible plastic over a metal wire coil to make round, flexible duct. Next, there is a layer of fiberglass insulation that covers the duct, and lastly an outside jacket of vinyl or foil layer that protects the insulation.

Can you use the same ductwork for heating and cooling?

One of the main ways that homeowners can consolidate ductwork is by switching to a central HVAC system. With a central air conditioner, you get cooling in the summer months, heat in the winter, and all with the same use of your existing ductwork. This reuse is a great way to cut down on installation costs as well.

How long does galvanized ductwork last?

Ductwork has a maximum lifespan of 20-25 years. By 15 years, however, it begins to deteriorate, significantly reducing your HVAC system's efficiency, so replacement is the prudent option.”

What is a rigid duct?

Rigid ducts, or spiral ducts, are metal pipes used in permanent ventilation, heating and air conditioning systems, as well as large-scale dust and exhaust extraction plant. Rigid ductwork is versatile and can be adapted to a wide variety of purposes and building layouts.

Why are ducts made of aluminum?

Aluminum duct is used because of its high strength to weight ratio—a very lightweight section of rigid duct can be spanned large distances without needing to be supported.

What is the maximum length of duct?silicone molding company

The maximum length of the exhaust duct shall be 35 feet (10 668 mm) from the connection to the transition duct from the dryer to the outlet terminal. Where fittings are used, the maximum length of the exhaust duct shall be reduced in accordance with Table 504.6. 4.1.