Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
High efficiency furnace in attic.
We know the typical place you ll find a furnace in any home is the basement.
There is a common misconception that this is not possible for high efficiency furnaces.
For example a furnace found in most homes is 80 efficient.
Many high efficiency furnaces are not recommended for attic installation and you may find that there is a drop in efficiency when the furnace is located in an unconditioned space like your attic.
The short answer to this is yes but there are definitely some factors to consider which we ll get to below.
Can a high efficiency furnace be installed in the attic.
A high efficiency furnace could be 90 efficient or it could be 96 efficient.
When you place a furnace in the attic of your home then the hot air is already at its maximum level.
But that s simply not an issue that we need to worry about in southern california where our winters are mild.
That means you are heating the environment without benefiting from the cost or energy expenditure.
The variations in energy efficiency in all of the parts of a home insulation windows air conditioners etc can have a huge effect on energy usage.
Since this also causes the furnace to run longer to make up for the displacement your energy bills will likely increase if you decide to place your furnace in the attic.
There are rarely instances when we will advise against an attic installation.
High efficiency furnaces aren t usually recommended for an attic.