There are rarely instances when we will advise against an attic installation.
High efficiency furnace in attic massachusetts.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
If you place the furnace in the attic then you must install the infrastructure in the building to force the warm air to the bottom floor.
Its sleek design allows the system to fit in most closets.
After the first heat exchanger is heated the second stage begins.
A standard efficiency furnace provides 80 annual fuel utilization efficiency afue.
In the first stage gas is burned to heat the first heat exchanger.
High efficiency furnace venting uses two heat exchangers.
While the condensing furnace is different in its design and repair needs it does have some similarities to a conventional furnace like a conventional furnace it takes in cold air from the house and runs it through an air filter.
These days 95 afue is a common rating among new gas powered furnaces.
Conventional furnaces use only one they use a two stage process.
That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.
If you re looking for efficiency you probably want to choose a gas furnace.
The total drop in efficiency can be up to 35.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
There is a common misconception that this is not possible for high efficiency furnaces.
High efficiency furnaces offer 90 or more afue.
Two stage unit expect to pay more for a more energy efficient unit or two stage unit.
As expected since it s an oil furnace this is not the most energy efficient option out there.
The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement.
In the second stage the secondary heat exchanger extracts heat out of the hot.
It moves the air with a circulating fan.
And it has a gas burner with electronic ignition although condensing.
So a 95 furnace is more efficient than an 80.
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With all that said you can generally count on attic placement being a bad idea in part because high efficiency furnaces which dominate the market today just can t function in attic space usually due to both the volume of air necessary for operation and because of safety considerations.
In this type of furnace 20 of the energy produced by natural gas is expelled as exhaust.
Since 2010 we have been providing residential and commercial hvac services.
High efficiency furnaces aren t usually recommended for an attic.
This is one of the quietest oil furnaces on the market with so many features that help reduce noise.