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.

To maintain balanced air pressure and air movement your duct system needs return vents for air in the room to be pulled back into the hvac system. I am planning to build a single story home near crystal river fl. Ductwork design mistake 5. Up against the deck may be the worst place in the attic to.

Adapt the design to the type of unit. The purpose of residential ductwork design is to properly distribute the airflow produced by your heating cooling system to your house. A raised truss would also be used. 10 2 volume control dampers.

10 3 fire and smoke dampers. This involves return air unconditioned coming into the heating cooling system. 9 3 pressure balancing. 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.

10 1 duct fittings and transitions. 9 1 distributed return. Duct fittings and terminal units. The attic ductwork is flex duct work.

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. One on a concrete slab. 6 tips for good ductwork design. Not providing enough returns is a common ductwork design flaw that leads to comfort complaints.

8 7 rules of duct design acca manual d residential duct systems 9 0. I have found all of these discussions informative. 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. 10 4 diffusers grilles registers.

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. 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.

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. It was new when the ac was put in 7 years ago. 9 2 central return.