Not really, there's not much airflow when the furnace is not running.
Yes it does.
Never, unless you have a leak.
I need to get a new air conditioning unit for my apartments. Where can I find out more about central air conditioners online?
no because you need a fork an a knife to eat your cat
1200 foot propane furnace what size do i need
form_title= Furnace Parts form_header= Repair your furnace with new parts. What parts do you need?*= _  How old is the furnace?*= _  Do you need the parts delivered?*= () Yes () No
It all depends upon your setup. You need to find where the return duct is connected to your airhandler/furnace. You could have a return filter grill or there is a door/panel on your airhandler/furnace that must be opened to replace the filter.
You need a 5 ton unit for that size house.
form_title= Outdoor Wood Furnace form_header= Stay warm with an outdoor wood furnace. What is your budget for a furnace?*= _  What size furnace do you need?*= _  Where will the furnace be installed?*= _