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red_oak startede en diskussion
flex duct connectors - What type of flex duct connectors do you use going down one size like exceeding a 25 ft run and you go from a 16" size down to a 14&quo... Læs mere
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red_oak startede en diskussion
Can someone explain Manual D results? - As recommended by the HVAC world and Mr. Udarrell I performed this test and the Manual J for example,the program recommends 700 CFM and 700 ... Læs mere
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red_oak startede en diskussion
5 ton system pressure drop questions - Once again, I have read lots of information and what we are being told and what exists does not fit when it comes to calculating ESP. As, I ... Læs mere
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red_oak startede en diskussion
Calculating return air grille sizes and duct work - I have read lots of messages related to this subject and I am curious in undestanding the process in more detail and was just curious what t... Læs mere
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