Hvac Flexible Duct Installation

The master flow 4 in.

Hvac flexible duct installation. The duct has r6 insulation which contains 33 more insulation than the standard r4 2 product. Both types of ductwork have specific features pros cons and specifications. If internal core is penetrated replace flexible duct or treat as a connection. We have talked about ducts being a channel from your hvac system throughout your home.

Within the hvac system will cause degradation of some inner core liner materials. They are light weight fully insulated and easy to install. Installation of new ducts in a home that has never had ductwork before is a more involved process than simply replacing or working on an existing system. Cost of installation supplies.

In our retrofit work we d rather see a customer with a well design and installed duct system where flex is used appropriately then have the homeowner keep a poorly designed and installed duct system because they can t afford the cost to replace it with sheet metal. Terminal devices shall be supported independently of the flexible duct. Repair torn or damaged vapor barrier jacket with duct tape listed and labeled to standard ul 181b. Flexible duct is quality duct and has become the most popular type of duct used in hvac systems.

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. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. Here are the itemized costs for the most common types of ductwork and supplies needed to complete installation. There are times where flex duct or sections of it can help to reduce costs.

1 10 5 25 per foot insulated flexible duct 4 to 16 diameters used as branches or in radial duct attic systems 2 30 13 00 per foot round and oval sheet metal duct 3 to 8 diameters typically used for trunks in small homes and. Flex ducts can be used for heating ventilating and air conditioning systems in both residential and commercial applications. Rigid and flex ductwork. Now there are two major types of air ducts that you can choose depending on what you want and need.

In new construction installing new. This additional insulation provides greater thermal efficiency to save energy. Insulated flexible duct r6 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications. Sometimes the best route for a flexible duct run is up and over an obstruction.

These are rigid ductwork and flex ductwork.