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Screws when using startcollar in Ductboard?

Screws when using startcollar in Ductboard?

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10-06-16, 08:32 AM

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Khaleesi

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Screws when using startcollar in Ductboard?

Do you use screws when using startcollar in Ductboard?

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10-06-16, 09:32 AM

PJmax

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Usually the collars that are used in ductboard have the fingers or tangs that bend
over inside the duct. There is nothing to screw to.

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Ducting, Air Circulation and Ventilation Systems
Can I add a register?

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alisonmadrey on Sep 30, 2016

I have two upstairs bedrooms that are pretty large but also with very high ceilings. I estimate that they are about 1,800- 2,000 cubic feet each due to the high ceilings. They each have only one register and are uncomfortable. I once heard (from an AC guy) that AC installations are designed for precisely the number of registers that they have. But can I add a register to each of these rooms? Is there anything to consider? The other large room that is comfortable up there (though it is larger) has two registers. The other bedrooms on that floor are smaller with one register each. The unit serves a total of 11 registers including halls and bathroom areas and it is a 3-ton heat pump unit by Lennox HP26-036. Thanks.Read More
Ducting, Air Circulation and Ventilation Systems
Capping off an air return?

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jboard1 on Oct 07, 2016

Hello everyone, I am new to this site, in hopes of getting some feedback for a question I have regarding the HVAC system in the house i just bought. A brief description of the home....it is a 2400 sq. ft. home, split level style with the exception of the kitchen, dining room and 2nd living room with a vaulted ceiling on one side of the house. The furnace is located downstairs and has air registers in every room. The system has 3 air returns, one above the wood stove in the downstairs, one in the upstairs hallway and the 3rd high up towards the vaulted ceiling in the dining room. I am big on using the wood stove and try to use it as much as i can instead of the furnace. It is a new style wood stove (catalytic burning) and it gets the downstairs hot in a hurry. With one air return directly above the wood stove, I thought I could circulate the air using the HVAC fanto pump that hot air to the rest of the house. However, while that downstairs area is very hot, the other areas where the air returns are located are still cool, so the hot air being pulled from the downstairs air return is mixing with the cool air from the other air returns. This leads to my question for you all.....is it at all ok to cap off one of the air returns? For instance, I want to cap off the air return near the vaulted ceiling to limit the amount of cool air being mixed with the hot wood stove air. Is this something that is done at all? Is this potentially harmful to the HVAC system? I do realize all systems are different and it's probably best to hire a professional to come into the home and look at the system before answering this question, but i thought i'd start here and ask, in general, is this something that anyone does? I imagine many folks out there use wood burning heat and air circulation as primary heat sources? Any and all information is very much appreciated. As winter approaches i'd like to find the most efficient way to heat my home and would love to make that happen via burning wood. Thank you all for your time reading this. -JeffRead More

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