Attic Ductwork Design

Information relating to thermal characteristics of each room as well as the local climate is utilized by the software.

Attic ductwork design.

Ductwork design to promote balanced air circulation through the supply ducts home and return ducts the ductwork should be simple in layout accurately sized sealed insulated in unconditioned spaces and installed in the right places. What goes into good ductwork design good ductwork design starts with a load calculation using manual j software the standard program produced by the air conditioning contractors of america. One on a concrete slab. 9 2 central return.

Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. Adapt the design to the type of unit. Duct fittings and terminal units. 10 4 diffusers grilles registers.

10 3 fire and smoke dampers. 8 7 rules of duct design acca manual d residential duct systems 9 0. 10 1 duct fittings and transitions. And am thinking on laying the duct work on the attic floor covering the floor and ducts with 2 3 inches of cc foam and then blow insulation over all.

This involves return air unconditioned coming into the heating cooling system. I am planning to build a single story home near crystal river fl. The purpose of residential ductwork design is to properly distribute the airflow produced by your heating cooling system to your house. 10 2 volume control dampers.

Ductwork design mistake 5. I have found all of these discussions informative. The attic ductwork is flex duct work. Well in the comments dave roberts a senior engineer at the national renewable energy lab nrel wrote about a paper he co authored last year and included a link to it.

Remember that article i wrote about ducts installed against the roof deck and how i said it was probably the absolute worst single location for installing ducts. Not providing enough returns is a common ductwork design flaw that leads to comfort complaints. 9 3 pressure balancing. This involves return air unconditioned coming into the heating cooling system.

The purpose of residential ductwork design is to properly distribute the airflow produced by your heating cooling system to your house. Up against the deck may be the worst place in the attic to. Then by heating cooling that air delivering the newly conditioned air to your home. Return duct systems.

Sketch a rough design using a central supply duct from the unit to the opposite end of the house with branches forking to each outlet. A raised truss would also be used. 9 1 distributed return.