Installing Heating Ducts In Attic

Each register should have its own damper that can be accessed for adjustment.

Installing heating ducts in attic.

Ducts are to be part of what is inside the house not part of. As most gba readers know ducts belong inside a home s thermal envelope not in an environment that s cold in the winter. I stumbled into ductwork repair change out by testing before and after ducts were sealed by hvac companies. Some cases duct leakage air flow were worse than before the work was done.

Connecting an attic air handler to ceiling ducts in a single story home is a quick project. For a house that needs ducts the costs and work time double. The attic is a hot dirty nasty place. Installing ducts in a multistory home goes more slowly since wall stacks are included.

To reset the switch you ll need to climb up into. Here s a typical scenario for a 2 000 2 500 square foot two story. No room in the bid for the time to do it right. Not part of what is in the attic.

Choose properly sized ducts. Installing ductwork is a 1 4 day job because of the wide range of scenarios. Attic hvac systems also require shorter ducts. If those dampers can t be accessed from below you ll want to install them close enough to the register so that you can reach them through the register opening.

Adding heat runs in a basement may change the airflow in the ductwork going to other rooms. In addition to making the unit hard to get to for service high attic heat can trigger the high pressure limit switch turning your condenser off. Blown in insulation is cheap. Just blow the attic to r 38 and over the top of ducts if needed.

The lower the cooler it is. This is an especially relevant tip for flex ducts more on that in a. Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows. Give your ducts the proper support.

People can not carry ladders up into a attic and them place them onto 1 1 2 wide boards so they can climb over ducts. Your hvac system will require shorter ducts. You shouldn t install ducts in a vented unconditioned attic. Install dampers at the registers to adjust airflow.

One of the most common mistakes when installing attic ductwork is choosing. But a contractor experienced in retrofitting can cleverly hide ductwork behind walls in the back of closets and up in the attic with minimal cuts into walls and the ceiling and very little mess. Most hvac companies have low man on the job installing ductwork. The higher in the attic the hotter it is.

Burying ducts in attic insulation. They just tear through them smash them climb on.