A basement is below and an attic is above the main part of the house.
Hvac cost to run line from attic to basement.
The average cost to replace hvac ductwork is around 285 per duct run and is based on the number of hvac duct runs to be replaced length of each run type and size of the replacement ductwork.
Wire from the attic to a second floor outlet purple.
A two room addition on the 1st floor has limited attic space and a 4 crawl space.
When solid ducts in walls and ceilings must be replaced the cost can rise to 550 per run or higher.
When adding new ductwork expect to spend between 6 820 and 12 350 depending on your home s size the brand of the hvac system and the length of your ductwork.
Wire from the attic to the basement using a second floor hvac return green.
Cost to run a gas line.
Average cost to install ductwork is about 1 800 3 300 60 linear feet of aluminum ductwork insulation 5 vents.
The average cost to run a gas line is 355 to 743 whereas complex jobs are 1 000 and up new gas line installation costs 12 to 25 per linear foot including labor materials piping and permits costs depend on the distance from the gas supply complexity and type of pipe used.
From down in the basement the bottom of the floorboards.
Hi mary it sounds like you re just asking if how much to tap into an existing trunk line of the hvac and install a few registers.
Hvac replacement costs 4 820 to 9 350 on average which includes a new ac unit and a new furnace.
If problems exist with only a single component replacement prices for parts and labor can.
Cost to replace ductwork in an attic the price to replace ductwork in an attic ranges from 500 to 2 000 depending on the size of the home and your existing system.
Wire from the attic to the basement near the flue blue.
If that s correct i would estimate about 2 registers at 20 a piece plus some sheet metal to construct a connector to the trunk so maybe 50.
To estimate costs for your project.
However i have two questions if i want to centrally air condition my entire house.
Assuming your attic is unheated putting the furnace up there unless you build a utility room for it will also be less energy efficient both because it is having to push the hot air down into the house the opposite way it naturally wants to flow as hot air rises the furnace waste heat will be largely lost to the outside air rather than.
Wire from the basement to a first floor outlet.
Installing attic insulation costs 1 700 to 2 100 and may be a good project to do at the same time.
For a first floor installation you will be drilling up through the floorboard and then sole plate.
Actual costs will depend on job size conditions and options.
Find here detailed information about ductwork costs.