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Brian, Architect
Category: Home Improvement
Satisfied Customers: 2153
Experience:  Licensed Architect- 17 years, L.E.E.D. AP
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I have a home that's balloon type framing, had a new furnace

Customer Question

I have a home that's balloon type framing, had a new furnace installed a few years back, my upstairs is one open room,17 X 25 ft with two ducts. Not efficient, I wonder if one larger duct would be better and is that allowed?
Submitted: 3 months ago.
Category: Home Improvement
Expert:  Rick replied 3 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

Yes a larger duct could help but there are other considerations. You must have adequate return air as well so you can't just increase the size of the supply duct. Also if the thermostat is on the first floor you'll never be able to properly control the tamp on the second floor unless you modify/split the duct work and install zone 2 separate zones with 2 thermostats

Expert:  Rick replied 3 months ago.

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