The heat from an attic in the furnace doesn t always feel comfortable.
Problems with putting hvac in attic.
Not every home has a hatch that is easy to access.
In addition to making the unit hard to get to for service high attic heat can trigger the.
If your attic tends to get hot it can make your air conditioner less efficient.
None of these outcomes are things you want to have in your home.
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.
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.
A vented unconditioned attic is a terrible place to locate a furnace and ductwork.
Regular maintenance of an attic air conditoner furnace is harder.
Put it in an attic full of blown insulation and you re forcing it to work harder to vent its heat.
High efficiency furnaces aren t usually recommended for an attic.
Attic hvac units can be inefficient.
Hvac units in attics have undetected problems.
Here are the top three reasons that an hvac attic installation might not be advisable.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
Attics are almost as cold as the outdoors during the winter and can be much hotter than the outdoors during the summer.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
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.
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.
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.