Crossover duct work may run above the home through the attic or under the home through the crawlspace, which is most common.Step 1 Determine how much flex duct you will need. To determine the length of flex duct you will need, consult any HVAC system documentation you may have for your ...
First,flexible ductwork is the easiest to install. You’ll cut the right-sized hole into the main line or trunk of the ductwork, fix one end of the flex duct to the trunk and the other to the opening where the vent will be.
To avoid major damage, be sure not to completely cut off the airflow over the heat exchanger or coil of your HVAC system. Now we'll look at another home-thermostat innovation -- the talking thermostat. Talking Thermostats Talking thermostats may seem like one of those unnecessary futuristic ...
I drilled a small hole inside the circle as a starting point, and used the tin snips to cut out the collar hole. Check to make sure the duct colar fits snugly through the hole. Step 6: Fabricate Custom Dampers on the Box Walls 9 More Images The plenum box needs to have holes in th...
The plan was to remove the grille from the ceiling, and build a plenum (that's a fancy HVAC word for box) that fits inside the duct box where the air comes out. Then, cut a hole in the plenum for a grille to ventilate the room, and another hole to connect to the existing Panason...
The HVAC crew will start by installing this piece of ductwork at the hole. Ducts are run vertically at the inside of the home, so the next step is to run the ductwork horizontally between the floor joists to an interior wall. In this example, you can see the duct come from the first...
There are four main steps to dust control on the job: Create effective dust barriers around the work area. Set up negative air pressure with exhaust fans whenever practical. Where that’s not practical, filter the air. Block off or filter HVAC ductwork. ...
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