Cost may vary depends on the house size, accessibility, the amount of work involved in duct reworking, disconnecting/connecting gas electricity.
Normally, it's better to replace AC/coil/Furnace all together, since a new furnace may not be compatible with old indoor blower /evaporator coil.
Another fact is if you want have a very high efficiency and expensive 18 SEER high-end quite ac, or just 13 SEER get job done low-end AC.
It also depends on accessories (media filter , humidifier) you like to have.
Trying following links for helpful information
http://ths.gardenweb.com/forums/hvac/
http://www.hvac-cost.com
http://www.costhelper.com/cost/home-garden/central-air-conditioning.html
Installation Commander
Installation Commander
installation commander
3 ton split condenser
installation commander
Installation Commander
installation commander
split mopp
With a thirteen speed you can only "split" the top four. With an eighteen you can "split" all of them, including reverse.
yes just dont split the top gears
GSH stands for goodman split heat pump 13 stands for 13 seer 24 stand for tonnage of unit AC is the revision of the unit
It is an outside condensing unit for a 4 ton split system a/c.