lasagna. 1  large, flat, rectangular strips of pasta. 2  a baked dish consisting of layers of this pasta, cheese, tomato sauce, and usually meat.
1 Replacing aging, leaking or inadequate ductwork typically costs about $35-$55 a linear foot for labor and materials, or $1,000-$5,000 or more for a single-family home, depending on the length and type of ducts used (sheet metal, fiberduct or round flexible ductwork) and local rates. And a Virginia homeowner reports spending $450 for DIY installation of modern ductwork in a basement (the least expensive bid for professional installation was $2,500).
If we paid HVAC contractor $5,700.00 to replace central air conditioner units with furnace I would said that good deal. Central air cost with duct work. To install central air conditioner units with duct work is between $10,000 and $15,000 or more. There are some areas that will charge less.