Problems With Putting Hvac In Attic

A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. With these systems condensate leaks can lead to a mess but it s nothing compared to a condensate leak that occurs at an air conditioner in an attic or really any place that has finished space. As such it can sometimes.

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Here are the top three reasons that an hvac attic installation might not be advisable.

Problems with putting hvac in attic. Attics are almost as cold as the outdoors during the winter and can be much hotter than the outdoors during the summer. If there is too much water in your attic then it might lead to mold in your insulation floor joists that begin to rot ceiling leaks and fixture damage. In more cases than not a 3 ton ac with the ducts in the attic has a ton or so of load that s just from the location of the ducts in the attic and the associated duct gains leakage etc. If your attic tends to get hot it can make your air conditioner less efficient.

Regular maintenance of an attic air conditoner furnace is harder. Your hvac system will require shorter ducts attic hvac systems also require shorter ducts. Throw duct leakage into the mix and the problems are even worse. A vented unconditioned attic is a terrible place to locate a furnace and ductwork.

High efficiency furnaces aren t usually recommended for an attic. Not every home has a hatch that is easy to access. Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. None of these outcomes are things you want to have in your home.

In addition to making the unit hard to get to for service high attic heat can trigger the. Leaks and overflows on a given floor will seep through the floors to affect everything below it including your hvac system. Hvac units in attics have undetected problems. Put it in an attic full of blown insulation and you re forcing it to work harder to vent its heat.

The remaining 2 tons of capacity is at least 1 5x oversized for the actual 1 load. Attic hvac units can be inefficient. Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows. The heat from an attic in the furnace doesn t always feel comfortable.

With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f.