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).
The following are the most common home HVAC systems that require ductwork: Central gas heating; Geothermal heating; Furnace heating; Central air conditioning; The same ductwork installed for heating systems can also be used for air-conditioning. Materials. The average cost of ducting is $16-$19 per 10 linear feet. 1  Itâs recommended that you buy a few more linear feet than you need. General guidelines are: 2  10 linear feet - 2 extra. 3  30 linear feet - 3 extra. 4  50 linear feet - 4 extra. 5  70 linear feet - 5 extra. 6  100 linear feet - 7 extra.