Floor Joist And Furnace Trunk Clearance

This would raise the ductwork 1 2 to 1.

Floor joist and furnace trunk clearance.

It maintains the most efficient characteristics for airflow and is common throughout the country. The return air ducting to the trunk line must be run in pipe in the space as opposed to panning the bottom of the joists because of the open webs. I am remodeling my basement and have a ceiling clearance issue. Local codes require no less than 7.

Hang the trunk line. Municipalities may require a minimum of 30 clear inches in front of the furnace which can be accomplished in a small room if the door to the room opens in front of the furnace. I can t meet the 7 mark but the local authorities will give me a variance if i do the following. Secondary trunk system see figure 7.

Menards offers a wide range of ductwork pipe and fittings to help your ductwork systems run efficiently these products are used for warm air return supply and exhaust systems. In short it will cost you more to install a forced air heating cooling system and you will probably not get both the supply and return turnks up in the joists. Is there a minimum distance required between a heating supply duct and a stud. Use the straps to hang the trunk line along the floor joists.

The rods need to be of sufficient length to allow for proper clearances from. The tee fitting located at the end of the pri mary trunk in this system performs the same function as the reduction in the reducing trunk system each secondary trunk has a cross sectional area that is smaller than that of the. I am currently in the process of framing out a wall first floor which contains a forced air supply duct that runs vertically from the basement to the second floor. The duct is currently between two studs about 2 3 inches away from each.

Heating furnace clearance distances fire clearances working space other. In our case we hired an installer to put in the furnace the air conditioning equipment basement trunk lines exhaust flue through the roof and the largest air return which goes to the very top. 2015 irc m1305 recommends that the furnace have a level working space of at least 30 inches by 30 inches in the front of the appliance. Round pipe can be used as a main trunk line or branch line as well as in return air situations.

You will need a phillip s head bit to attach the straps that hold the trunk line to the joists. The screw is normally a phillip s head screw. This is the large shaft that comes directly off the furnace or air conditioner. Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes.

This type of system has a primary trunk and two or more secondary trunks. Except for the first 7 feet of the supply run raise the supply run so it is directly up against the floor joists. The horizontal furnace may also be suspended from the joists using 3 8 all thread rods with pieces of angle iron underneath the furnace to form a hanging rack at both ends and the midpoint.