Скачать с ютуб Supply air grills and Return air Grills в хорошем качестве

Supply air grills and Return air Grills

return and supply grills, linear diffusers. talk about the difference in supply grills and how air flow is different using different air flow registers, there are four way grills , one way, three way grills these grills can push hvac air flow up to ten feet, the difference in a supply register and return grill, another type return grill ae pass through, as a air conditioning contractor its important to understand velocity, static pressure, and cfm's Thanks for watching! - David [email protected] Follow me on Facebook:   / david-jones-ac-101070258275291