I have part of my ductwork in my attic.
Problems with putting hvac in attic.
My attic ducts are insulated to what i believe is r 6 and the attic is currently insulated to r35 with blown in fiberglass.
If your attic tends to get hot it can make your air conditioner less efficient.
Attic hvac units can be inefficient.
Your hvac system will require shorter ducts attic hvac systems also require shorter ducts.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
Throw duct leakage into the mix and the problems are even worse.
Not every home has a hatch that is easy to access.
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.
Regular maintenance of an attic air conditoner furnace is harder.
Hvac units in attics have undetected problems.
I am in zone 6 by the way.
Leaks and overflows on a given floor will seep through the floors to affect everything below it including your hvac system.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
The heat from an attic in the furnace doesn t always feel comfortable.
Put it in an attic full of blown insulation and you re forcing it to work harder to vent its heat.
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.
Attics are almost as cold as the outdoors during the winter and can be much hotter than the outdoors during the summer.
Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows.
Here are the top three reasons that an hvac attic installation might not be advisable.
As such it can sometimes.
None of these outcomes are things you want to have in your home.
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.
High efficiency furnaces aren t usually recommended for an attic.