How To Install Hvac Ductwork In Attic

So why put an hvac system up in the attic at all.

How to install hvac ductwork in attic.

With newer foundation systems involving embedded rebar or tension cables making in slab hvac ductwork nearly impossible there s little other option but to move it to the attic. Overlap one side as you normally would and create a butt joint on the other. In the 70 s and 80 s in slab hvac ductwork was commonplace and took advantage of the relatively stable temperature of the slab at or near the ground. It was new when the ac was put in 7 years ago.

Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. Remove existing ductwork where needed. Choosing the right ductwork for installing in your attic as with home architecture and decor there are trends in the hvac world. The attic ductwork is flex duct work.

Again i d suggest calling an experienced hvac pro to guarantee your ducts are installed in your attic with proper support. There you have it. I called out the original hvac company and they took a look and said they saw no water. Richard trethewey is in the basement where the ductwork is being connected and installed by hvac contractor obie rosa and his crew.

The trick to getting these installations right is to use rigid ductwork for all deviations from straight then pull the ductwork taut between the two ends which now point towards each other. If your supplier doesn t carry draw band connectors make your own by cutting a piece of pipe to overlap the ends and then screw and tape the band into place. The big advantage over a full rigid installation is sound control the installations are quieter than fully rigid ones. If the air duct isn t long enough it is possible to add extra length.

Use a draw band connector to complete the butt joint. Attic hvac systems save space. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. Run the new flexible air duct under the house from the floor return to the underside of the air handler and attach to the metal vent box or plenum image 1.

For example ducts fall into two types. Richard and obie show kev. Hard ducts and flexible ducts. Well mainly it s a way to save space.