Baseboard diffusers or floor registers?


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Old 11-27-23, 01:40 PM
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Baseboard diffusers or floor registers?

I have a new single story 1,000 sq ft ranch, which would be better to use on my forced air heating system, baseboard diffuses or floor registers?
 
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Old 11-27-23, 01:43 PM
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I always thought the baseboard vents look nicer although I've heard they don't have as much air flow as the floor vents. ..... but I'm not a HVAC pro, they should be along later.
 
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Old 11-27-23, 02:18 PM
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Most modern installations go through the floor.

Who's doing the work, or paying for it? Registers through the floor are more easily installed since they just go in the floor. A very simple install that doesn't impact other trades working in the house. Baseboard diffusers require ducting up into the wall so it also impacts the wall and it's finishing and baseboards so there is more labor. Also, ducting in the wall means no or little insulation in that area.
 
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Old 11-28-23, 05:13 AM
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I have one baseboard diffuser, one I added to our bed rm. It didn't interact with the wall framing. The boot comes up next to the wall stud [bottom plate] in the floor.
 
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Old 11-28-23, 07:29 AM
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Trying to get my heating guy over this week, I'll run the idea of using diffusers and see what he thinks. In my heating diagram it shows 4x10 floor registers, I believe diffuser boots come in 2 1/4 - 3 1/4 widths, would that mean less air flow? If a room calls for (2) 4x10 floor registers, can I use (2) 3 1/4 x 10 diffusers, or would I have to increase the length of the diffuser to get the same amount of air flow as a 4x10 floor register..
 
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Old 11-28-23, 08:53 AM
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Four inch boots are readily availabe around here. Not sure about your area.
 
 

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