Return grill size for 5 ton unit. Can you get that online from Trane? .

Return grill size for 5 ton unit. Jul 12, 2024 · Return duct sizes are primarily depending on the airflow of the HVAC unit which is corresponding to the tonnage or capacity of the HVAC unit. The outside unit is a 3 ton with a inside air handler of 3. So, for a 5 ton unit you will need 5 X 144 = 720 square inches of filter for this Dec 24, 2008 · I have a Trane XL16i. Calculate the return duct size. At that point, I needed to do some research to size it correctly. So, I created several CFM charts and a guide on how to calculate return air grille size. The return grills would be in the ceiling away from the indoor unit so you would get much quieter operation. How much return grill area should this system have? I currently have 423 sq. In the case of a 4 ton AC, it’s 24 X 24 inches. 5, 4, 5 ton AC? The right size of return duct for a 3. 14 for round and 144 square inches. There is also a table of return air duct sizes for round and rectangular ducts for ACs from 1. The larger the HVAC unit, the bigger the return duct. Aug 14, 2024 · Using the correct return air grille size is important to ensure that the HVAC system has sufficient airflow as well as low noise. Nov 19, 2024 · Use our handy return air duct size calculator or charts below to help you determine the correct return air vent size for your home. Aug 28, 2009 · If your home is big enough to need 5 tons of AC you may want to go with two or three separate return grills; each in a different location throughout the house. Sep 8, 2023 · How could that be? As HVAC professionals often do, I started messing with stuff to see what was going on. inch industry standard for return grilles. in. 5 tons model #4TEE3F40B1000AA. However, velocity is a critical factor as it affects the noise level. Also, the manual on that air handler is missing. I took the return grille off of the unit, and my static pressure dropped dramatically. Can you get that online from Trane?. Mar 16, 2015 · The air return grille for the 5 ton air handler is significantly undersized, wasting energy, damaging equipment, and raising operating costs. Your 5-ton unit ac would need a return duct size of 22” diameter for a round duct and 19”×19” or 20”×22” if you want to install a rectangular duct. Use the return air duct size calculator below for accurate dimensions required for your air conditioner or heat pump. Jun 29, 2022 · So, what size return duct for 3. The actual return grill size is not covered by the NC Mechanical Code but, the generally accepted formula for determining the filter grill size is 1 square inch of grill area for each 2 CFM3 of air flow. This is for rectangular ducts. 5 to 5 tons. If you need any help, you can give us some info in the comment section below, and we’ll advise you on how to move forward. If the actual airflow is unknown, use 400 CFM for each ton of cooling. Jul 22, 2020 · Just increasing the grille size will help but a good portion of your noise could be coming from the unit itself. And multiply AC tonnage by 3. According to the ACCA Jun 3, 2025 · Return air duct size for 1-5 ton ACs is 14” to 22” for round ducts and 13”x12” to 32”x12” for rectangular ducts. Our extensive testing and surveying has shown that this is the case in the majority of homes. Specifically, the 5 ton unit has a 29x19 (551 sq-in) return grille providing 1102 CFM using the 2 CFM/sq. Determine the size filter needed in square inches The standard in the HVAC industry is to have a minimum of 144 square inches of filter space per ton of air conditioning. These charts and calculators are intended to calculate the return air duct only. And for a 5 ton AC, the correct size is 27 X 27 inches. 5 ton AC is 22 X 22 inches. So, I made a return duct size chart as well as a guide on how to determine the right return duct size. This size is suitable for the return duct for the 5-ton unit. Can you measure the size of the return duct and length to the unit. With this return duct size chart, you will have no problems figuring out how big return duct you need. oexf jtdc qdqpvn hxffb vdtjtv pcbl tlngj ugy jpnwfvt idgn