Attic Ductwork Design

9 2 central return.

Attic ductwork design.

The purpose of residential ductwork design is to properly distribute the airflow produced by your heating cooling system to your house. 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. 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. 8 7 rules of duct design acca manual d residential duct systems 9 0.

This involves return air unconditioned coming into the heating cooling system. The attic ductwork is flex duct work. Up against the deck may be the worst place in the attic to. 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. Not providing enough returns is a common ductwork design flaw that leads to comfort complaints. 9 3 pressure balancing. 10 3 fire and smoke dampers.

The purpose of residential ductwork design is to properly distribute the airflow produced by your heating cooling system to your house. 9 1 distributed return. Return duct systems. Information relating to thermal characteristics of each room as well as the local climate is utilized by the software.

10 2 volume control dampers. 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. Ductwork design mistake 5. One on a concrete slab.

10 1 duct fittings and transitions. Adapt the design to the type of unit. 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. This involves return air unconditioned coming into the heating cooling system.

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. It was new when the ac was put in 7 years ago. 10 4 diffusers grilles registers. 6 tips for good ductwork design.

I have found all of these discussions informative. Duct fittings and terminal units. 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.