Question about Coleman Heating & Cooling
Hi John, depending on the size, I would need the model number from the outdoor unit if it is a split system, you should have 400 cfm per ton of cooling. If you have a 1600 SQ' home, and a 3 ton unit, 3 x 400 cfm is 1200. It would be to small. There are 12,000 B. T. U.'s of cooling per ton. 2 tons would be 24,000 b t u's. 3 tons would be 36, 000 b.t.u.'s. Also, most contractors put lever dampers in the duct work that can be adjusted. They will put a red flag where the lever is and we can adjust the flow to balance out the house. I don't know where your ducts are, under or above, but with a good light find the crawl space and check it out. Get the model number and call it in to get the tonnage or send it to me and I will tell you. It will have a 024, 030, 036, 042, or, 060 in the number, MODEL number and figure like I told you above, 12,000 per ton. 060 would be a 5 ton. This will let you know if the unit is the right size or not. Please rate me on this and I know you will be kind. Thank you John.
A/C, Heating, & Refrigeration Contractor
PS CFM is cubic feet per Minute.
Posted on Aug 05, 2010
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Posted on Jan 02, 2017
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