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BillyHvac, Journeyman HVAC Tech
Category: HVAC
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Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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What size trucnk line needed for a 2400 sq. ft house on a

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what size trucnk line needed for a 2400 sq. ft house on a slab with furnace on one end. 4ton furnace 100'000 btu in kansas 2x 6 walls . andhow long can you make the run
JA: Did you check the furnace's filters?
Customer: new construction not built yet
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no


My name is ***** ***** I will do my best to assist you. I am looking over your question now and will respond shortly.

There are many variables. How many runs for registers, distance, 90's.

But according to the calculator you will be at 8"x36"....12x28.5....22x15...

Here is the calculator with 100,000 btu based on 2000 cfm

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