Flex ducting comes in various levels of insulation, typically categorized by their R-value. R-value represents the ability of a material to resist heat flow, so the higher the R-value, the better the insulation.
Old Flex Ducting
Older flex ducting might have lower R-values or even no specific R-value insulation. These ducts are often less energy-efficient, as they allow more heat transfer between the inside and outside environment. They may also be more prone to damage or degradation over time, leading to air leakage and decreased HVAC system efficiency.
R6 Duct
R6 ducting has an R-value of around 6. It provides moderate insulation and is commonly used in residential and light commercial HVAC applications. It offers better thermal performance compared to older non-insulated ducts, reducing heat loss or gain during air transfer.
R8 Duct
R8 ducting has a higher R-value, typically around 8. This provides superior insulation compared to both older non-insulated ducts and R6 ducting. R8 ducting is often preferred in climates with more extreme temperature variations or in situations where higher energy efficiency is desired.
When choosing between these options, consider factors such as climate, energy efficiency goals, budget, and the specific requirements of your HVAC system. Upgrading from older flex ducting to R6 or R8 ducting can improve energy efficiency, comfort, and indoor air quality.
Ducting
Poor Ducting
Some examples of aging ductwork and poor design. Ducting is deteriorating and loosing efficiency
Replacement ducting
A few examples of new replacement ducting. R6 and R8 shown