Wiring Offic Attic Space Over Ducts

5 good ways 1 bad way to get your ducts inside conditioned space image credits.

Wiring offic attic space over ducts.

Familiarize yourself with the footing situation. If you have ductwork in your crawl space the temperature of the duct will be the same as the temperature of the. Leave about 3 ft. This means that like an attic or unfinished basement you don t heat and cool it.

The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago. Once up there i noticed that all the electrical wires were all over the place. Is it standard for electrical wiring to be strung in a disorderly fashion in the attic. So more would help.

Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. According to nrel researchers david roberts and jon winkler moving the ducts from a vented attic to a new location inside the conditioned space will reduce electricity used for cooling by 15 to 20 and will reduce the size of the needed air conditioning equipment by 0 5 to 1 ton. Ted has more than a few cobwebs in his attic. What would be bad is if the duct work is flex duct and gets mashed under the weight of the added insulation on top of it.

When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. Pull them up into the attic and then push them down to the distribution box. All other images from ibacos paper on building america research. The problem with uninsulated ductwork.

Run the fish tape down into the outlet stud cavity through a 3 4 in. Hole drilled through the plates from the attic then tape both of the marked cable ends to the fish tape. Of extra cable at the distribution box. I recently relocated my cable wires which required my going to the attic.

Use metal flex or fiber board ducts that are insulated to code. With a flashlight examine the attic and locate the path that you will use to run the wire between the two locations. The space is taken up by plumbing hvac and electrical wiring. The duct insulation should include a vapor barrier cover.

Climb through the attic access using a ladder if necessary and look into the attic space. One place never to put hvac system ducts. The duct work is insulated to keep the condensate from forming on the outside of the pipes and dripping off from the temperature differences in the attic in the summertime with ac running. Get those air conditioning ducts out of the attic.

The crawl space is an unconditioned space.