Problems With Putting Hvac In Attic

Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.

Problems with putting hvac in attic.

The heat from an attic in the furnace doesn t always feel comfortable. Throw duct leakage into the mix and the problems are even worse. A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. Not every home has a hatch that is easy to access.

Put it in an attic full of blown insulation and you re forcing it to work harder to vent its heat. Attic hvac units can be inefficient. I have part of my ductwork in my attic. In addition to making the unit hard to get to for service high attic heat can trigger the.

High efficiency furnaces aren t usually recommended for an attic. If your attic tends to get hot it can make your air conditioner less efficient. I am in zone 6 by the way. 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.

As such it can sometimes. Hvac units in attics have undetected problems. Attics are almost as cold as the outdoors during the winter and can be much hotter than the outdoors during the summer. Leaks and overflows on a given floor will seep through the floors to affect everything below it including your hvac system.

My furnace and most of the duct is already in the conditioned space and it seems to be very complicated to bring the attic ducts back in the envelope. Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows. My attic ducts are insulated to what i believe is r 6 and the attic is currently insulated to r35 with blown in fiberglass. Here are the top three reasons that an hvac attic installation might not be advisable.

A vented unconditioned attic is a terrible place to locate a furnace and ductwork. 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. None of these outcomes are things you want to have in your home.