Attic Furnace Dimensions

Some products like furnaces may also be affected by installation orientation horizontal upflow or downflow or even by the nozzle used in installation as is the case with boilers and oil furnaces.

Attic furnace dimensions.

The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. As an example a floor space that totals 70 sq. To prevent homeowners from building strangely configured and potentially dangerous spaces. Establish the best location for installation of forced air unit and vent.

Upright furnaces shall be permitted to be installed in an attic furred or under floor space. If the same 100 000 btu furnace has an efficiency rating of 93 it will produce. Floor space dimensions. Horizontal furnaces shall be permitted to be installed in an attic furred.

If a furnace is listed with an input rating of 100 000 btu s and an efficiency rating of 80 it would produce. Attic furnace passageway minimum dimensions requirements. An example you can reference. The rough framed opening.

Obtain the furnace manufacturers installation instructions and install the furnace to their specifications. Overall efficiency p efficiency within a model group will tend to vary by the size capacity of the unit. In one scenario this would translate to a bare minimum of 7 x 10. Would still not be allowed because its 4 x 17 5 dimensions.

Exceeding 5 feet 1524 mm in height provided the required listings and furnace and duct. 100 000 btu input x 80 efficiency 80 000 btu actual output. For instance a clog in your drain line can cause condensation from your ac unit to back up and spill out over the catch pan leading to mold in your insulation and drywall rotting attic floor joists and ceiling leaks in the rooms below your attic all things you don t want for your home trust us. 30 inches high 762 mm 22 inches wide 559 mm 20 feet max length 6096 mm.