Attic Ductwork Design

Then by heating cooling that air delivering the newly conditioned air to your home.

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

The purpose of residential ductwork design is to properly distribute the airflow produced by your heating cooling system to your house. 10 3 fire and smoke dampers. 10 1 duct fittings and transitions. 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 4 diffusers grilles registers. 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. The attic ductwork is flex duct work. Ductwork design mistake 5.

9 1 distributed return. A raised truss would also be used. 6 tips for good ductwork design. It was new when the ac was put in 7 years ago.

Adapt the design to the type of unit. 9 2 central return. 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.

Duct fittings and terminal units. 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. Return duct systems. I am planning to build a single story home near crystal river fl.

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. This involves return air unconditioned coming into the heating cooling system. 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 2 volume control dampers. One on a concrete slab. Information relating to thermal characteristics of each room as well as the local climate is utilized by the software.