WebSomeone asked a question about wire damage in an attic in Phoenix, Arizona. Links on the web confirm attic temperatures go above 180 degrees F, or 85 degrees C. Most wires have a 75C or 90C thermal limit. NEC seems to say the thermal limits for wire start with its column in the usual ampacity chart we use, NEC 310.15(B)(16) -- and by the way, it says it is … WebOct 14, 2024 · The attic ventilation reduces the heat, but it does not eliminate it. Recommend a Roofing Contractor Maybe the best course of action an HVAC contractor can take …
All About Attics - This Old House
WebMay 13, 2024 · So, in order to control the moisture in your attic – the best way is to directly ward off the source. If the problem is caused by water penetrating the foundation – you can install gutters and downspouts, which should be cleaned regularly. Because each house has a certain condition and set of responses – it is best to communicate with a ... WebAug 26, 2016 · Once the hot, humid air gets to the peak, it has nowhere to go without mechanical ventilation. I took an Extech HD500 psychrometer into the attic on representative days with and without A/C to corroborate my RH&T datalogger. ... "One possible solution to the humid-attic problem is to install a forced-air supply register (and perhaps a return ... gurk carinthia
Attic Ventilation: Does My Home Need It? - Advice From …
WebThe attic was "sealed" and insulated as part of an energy savings program our utility company provided for free because of our complaints of high bills. It took them several days to complete but seemed pretty thorough. Our bills remained unaffected despite this work. So, long story short, summer AC causing high electric bills in summer, higher ... WebNov 24, 2024 · Poor ventilation is the most common cause of hot air build-up in your attic. Whether your home is old, new, recently remodeled, or has been neglected for a decade, your attic ventilation is likely in need of some attention. Attics become extremely heated due to a lack of sufficient insulation and poor air sealing. WebCondensation in the attic is a serious problem that must be addressed by homeowners. If left untreated, it can damage critical structural elements of the home, such as the trusses … gurk cathedral