Gas and Oil Home Heating Furnaces - air conditoner filters

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dgrankin
07-10-02, 06:16 PM
To Do It Yourself.Com
Furnace Filters High Efficiency

I need a size you do not have listed.
Can I get a Contractor Pack of 6 or 12
of "Filtrete" Size Inches=
14 inch x 24 inch x 1 inch=
14x24x1

Please let me hear from you if you can
help me.

Thanks
DG

hvac4u
07-11-02, 06:44 PM
is a common size in florida in my experience, here in ga, 14X25 is the common size, always wondered why. probably has to do with construction...? you fla techs know?
lynn comstock
07-11-02, 07:05 PM
Older homes have the stud or floor joists on 16" centers. 16 inches less the 1.5-inch width of the wooden member is 14.5 inches. Grilles are standardized on even number of inches: 4,6,8,10,12,14,16,18,20 etc. By now you see that a 14-inch standard grille is the largest width that will fit that construction pattern.

Wallboard and plywood standard size is 4 by 8 foot sheets. That happens to work out nicely. 48 inches divided by 16 is exactly 3. This makes it easy to find a place at the edges of the sheet to secure the plywood or drywall to the wall, ceiling or floor.