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Can a humidifier be used with a main trunk line made out of duct board?
Wiki User
∙ 9y ago
No, you should not use a humidifier in a main trunk line that is made out of duct board. This will cause the duct board to rot from the moist.
Wiki User
∙ 9y ago
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What is the duct in an air conditioning system?
The "duct" in an air conditioning and/or heating system is the sheet metal conduit that carries the conditioned air to the perimeter of a structure and back to the HVAC unit. Typically in a residential application it appears as a square or rectangular metal trunk line centrally located on the ceiling of a basement, with round metal run outs coming off the top of the trunk line and running towards the perimeter of the house.
Should a humidifier be hooked to a hot or cold water line?
It should be hooked to a cold line.
Which is more economical to install fibrous duct board or flex duct?
Fiberglass Duct Board is cheaper to install than Sheet Metal Ducts. This is definitely the choice of most builders if you don't know any better. Your Air Distribution Duct System should look like a tree ... comprised of a Main Trunk and Branch lines from that trunk. The trunk should bet smaller as it passes every several branches in order to maintain the pressure. Each branch line should have a manual damper (valve) to regulate the volume for balancing. Then you can eliminate hot and cold spots. All joints should be sealed with mastic and UL 181 rated tape. The biggest problem is that while it may look good, its structure gets less rigid (spongy) and interior lining is disgusting after just a few years of normal use. It's literally falling apart after 5 years. Almost every client of mine whose home has a duct board (did I say cheap) system complains of allergies and excessive dust. The only benefit is that when you finally decide to install a safer, more reliable, once-in-a-lifetime metal system, the duct board system can usually be removed in less than an hour with just a knife. Then it is placed in trash bags to remove it from the house without getting airborne particles everywhere. The only good use is when you want to line a return (with the foil side facing you) for additional insulation purposes. The only thing worse than ductboard is a duct system made of Flexible main trunks connected to small duct board triangles being used for sub-distribution into smaller areas.Whoever dreamed that one up was really looking to rip you off. mrgeothermal.com
What hardware stores carry Toastmaster parts for the Toastmaster humidifier?
Toastmaster parts for the Toastmaster humidifier can be found on line on various websites such as 'cpsohio', 'toastmastercorp', 'a1service' and 'etundra'.
What size ductwork trunk line do you need to run 46' with 7 branch lines the apartment is 46' x 24'?
You haven't really supplied enough information... size of branches aka. "run-outs", distance of drops from trunk, expected cfm at each register, size of blower/cfm available, etc. But, here is a basic idea...: 4 run-outs @ 6" will use a 10" trunk line. 6 run-outs @ 6" will use a 14" trunk line. 4 run-outs @ 8" will use a 14" trunk line. 6 run-outs @ 8" will use a 20" trunk line. Hope this helps. Goodluck. As a sidenote: find a HVAC contractor that can do "Duct-u-lator" calculations and pay him a little cash for computing your actual needs.
What can be the cause of low air pressure from the air duct for your AC unit?
Dirty filter, dirty coil, closed damper, or duct has come loose from main trunk line. Rats will sometimes nest in air ducts and may chew holes through the ducts, especially the insulated plastic ducts. That's the worst case.
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Yes, I made an exaust trunk out of cardboard. I have my AC sitting on an ice chest which is on a small table next to the window. Air from the condenser blows in to the cardboard air duct and out the window. The inlet of the air duct is the same size as the condenser since that is what it is attached to. The outlet is 2 inches wide and about 10 inches tall. It goes to the bottom right hand corner of the window, and I have a 2 inch wide board on top of the airduct outlet. The board goes from the top of the window down to the top of the airduct outlet. Then I the window open 2 inches, just enough for the exaust trunk and the board to fit in. Also water drains from the AC into the ice chest and then to a drain line in the bottom of the ice chest. Water goes into the drain line and down to a 3 gallon bucket. I normally empty the bucket every morning. It usually has about a 1 gallon of water, if I run the AC all night.
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When all the telephones in the business district went dead, it was apparent that the failure was in the trunk line, not in the individual lines.
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Look in line with the steering column on your left side just below the dashboard line you will see a round button. Press to open your trunk. You can also use your remote to pop open the trunk
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Can you use the space between floor joists as an air duct?
Yes. You will have to line the area with duct board or caulk all cracks and seal all holes at least. It can be used as a return, not cold air. Make sure there is no gas pipe running thru the area. what about to use the space for running warm air?
