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2. Process duct work - Wikipedia

   en.wikipedia.org/wiki/Process_Duct_Work

   Fabric joints are often chosen to separate the duct segments because they usually cost 40% less than metal joints. Also metal joints place an additional loads onto duct segments. Metal joints prefer axial movements, and provide significant lateral loads onto duct segments. fabric joints cost $100 to $200 per square foot of joint (2010).

3. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   Ducts for air pollution control in a 17000 standard cubic feet per minute regenerative thermal oxidizer (RTO). A round galvanized steel duct connecting to a typical diffuser Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic ...

4. How Much Does It Cost To Build a House? - AOL

   www.aol.com/much-does-cost-build-house-210010797...

   Electrician rate: $50 to $100 per hour. General contractor cost: 10% to 20% of the total project cost. House framer rate: $7 to $16 per square foot. Interior designer rate: $50 to $200 per hour ...

5. Dedicated outdoor air system - Wikipedia

   en.wikipedia.org/wiki/Dedicated_outdoor_air_system

   For example, a space requiring 5663 standard litre per minute (SLPM) (200 standard cubic feet per minute (SCFM)) of ventilation air and served with supply air that is 40% ventilation air, will require a box minimum setting of 14158 SLPM (500 SCFM) (i.e. 200/0.4) rather than the conventional practice of 5663 SLPM (200 SCFM). When the box ...

6. 15 Southern Cities Where You Can Get a House for the ... - AOL

   www.aol.com/finance/15-southern-cities-where...

   New construction price per square foot: $143.82 Methodology: For this study, GOBankingRates analyzed places in the Southern United States to find the lowest cost per square foot for a new home.

7. Register (air and heating) - Wikipedia

   en.wikipedia.org/wiki/Register_(air_and_heating)

   If not properly installed and tightly connected to the ductwork, air will spill around the register and greatly reduce the HVAC system's efficiency. [5] Ideally, a room will have both heating and cooling registers. In practice, cost considerations usually require that heating and cooling be provided by the same register.