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HVAC Questions: Why Choose Round Duct Fittings?

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HVAC Questions: Why Choose Round Duct Fittings?

When you embark on an HVAC project, there are a lot of different things you need to consider in order to achieve the results you want. Most pressing among these is perhaps which type of ductwork you will choose to employ. There are several different types of ductwork, but in all likelihood, you will be deciding between round duct fittings and rectangular duct fittings. 


Round duct fittings and rectangular duct fittings both have pros and cons, but in a direct comparison, round duct fittings are going to come out on top more often than not. Why? Well, there are several factors that play into this. 


  1. Efficiency: HVAC systems that use round duct fittings use energy more efficiently than those that use rectangular duct fittings, because they have shallower angles (which prevents loss of airspeed), they produce less friction (which prevents heat loss through duct walls), and they leak less than their rectangular counterparts. 
  2. Cost: Round duct fittings are made with less material than rectangular duct fittings with equivalent airflow capabilities, which means they are cheaper to manufacture, and thus, cheaper to buy. Round ductwork is also easier to install than rectangular ductwork, which means in addition to being cheaper to purchase, round duct fittings are cheaper to have installed. If you need to stick to a tight budget, round ductwork may be the way to go. 
  3. Aesthetics: Round duct fittings are generally more visually appealing than rectangular duct fittings. The former can blend into the surroundings in a way the latter cannot. If you’re putting in an exposed hvac system, and you want it to look cool and intentional instead of clunky and unfinished, round ductwork is going to be your best friend. 


All in all, round duct fittings are more efficient, cost effective, and aesthetically pleasing than rectangular duct fittings, which makes them a great choice for your upcoming HVAC project.

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