Install with existing ductwork.
Furnanaces installed in small attic.
However not every home has a pre existing designated space for a system.
Attic furnace appliance clear access opening dimensions are.
Connect unit to existing supply and return.
Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit.
This drain removes the excess water that a heating system will generate.
When someone wante to add ac or a whole new system it is easier to put the unit in an attic.
Install 3 4 gas line up to 20 ft with shutoff valve.
Access opening and an unobstructed passage way to the appliance furnace in attic area must be provided and be adequate in size to allow removal of the largest appliance installed.
Older or historic homes for instance often featured much smaller heating systems than the modern ones we install today.
Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding.
Fabricate openings support mounting and venting system.
High efficiency furnaces aren t usually recommended for an attic.
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.
20 inches 508 mm by 30 inches 762 mm minimum.
That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.
Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and.
The drain must be installed through the core of the house as water will be flowing during the colder months.
There is a furnace exhaust issue some where where they ran that who knows.
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.
Furnace installation labor basic basic labor to install furnace with favorable site conditions.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
Install branch 120v circuit.
Always read the furnace manual and check local building.
In flood prone areas instaling a furnace in the attic provides protection.
Most new houses with slabs have the furnace in the garage just about like having it in the attic at times.
The total drop in efficiency can be up to 35.