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For a 3-ton HVAC unit, the recommended duct size typically ranges from 12 to 14 inches in diameter for round ducts, or about 8 to 10 inches in width for rectangular ducts, depending on the design and layout of the system. The exact size may vary based on factors such as the length of the duct runs, the number of bends, and the overall airflow requirements. It's essential to perform a proper load calculation and consult local building codes to ensure optimal performance and efficiency.
What else can I help you with?
What size duct will work with a 4 ton unit?
33
Is duct sizing for cooling diff from heating?
Yes cooling requires larger duct work. Typically you would size the duct work for the cooling system and heat will work fine as well
What is the average cost to buy a central heat and air unit?
There is not an average cost to buy a central heat and air unit. You will need to purchase a unit based on the square footage of your home, the amount of insulation in place and whether or not you have duct work in place. The price range starts at $1200 and goes up with size of your home.
Why doesn't your apartment have duct work?
If your apartment does not have duct work, the owner of the building has not had it installed. Perhaps they felt it would be too costly to install, or perhaps they are simply not interested in or see a need for duct work.
What is done to change duct work?
To change duct work, the existing ducts need to be carefully removed and replaced with new ducts that fit the size and layout requirements of the building. This involves cutting, installing, sealing, and insulating the new ducts to ensure proper airflow and energy efficiency. It is important to follow building codes and regulations when making changes to duct work.
Can I do duct cleaning work myself?
I need to get some duct cleaning work done in an office building I just bought. Can I do this myself or do you recommend a specialist?
Questions on tools and equipment for duct cleaning?
Do I need special tools for hood duct cleaning? Is regular duct cleaning type equipment satisfactory?
How do you seal duct vents?
With duct tape I install and maintain duct work for a living if you want to seal the joints just wrap the tape around the duct. If you need to cover a hole you will need to screw a piece of metal on the duct over the hole and tape over the edges of your patch. this is the simplest and cheapest way I know to do it.
How can I find a residential duct cleaner who works evenings?
I work really long hours but need to get my ducts clean. How can I find someone who does residential duct cleaning in the evenings?
Tools needed for duct cleaning?
Long story short, I need to get some duct cleaning work done, and I'd like to do it myself. It is a 2 story house. What tools do I need?
What would cause hot air to come out of your vents when your AC unit is not on if your house was built in 1925?
Check your duct work in your attic. Heat from attic could be coming in through a broken connection or hole in duct work, especially in a house that old.
Is there a special kind of duct work needed when installing a new furnace, when using an I-beam for the floor joist Does the steel I-beam have anything to do w/what kind of duct work is installed?
The duct work does not need to be different from the rest just because of the I beam. Just be sure there is room so you do not compress it.
