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1200 foot propane furnace what size do i need
The size of the furnace depends on the square footage of the house you are heating.
You need a furnace because the heat it generates warms your house. Without it, it would be like camping without a campfire!
You need a furnace expert to come and inspect it and tell you the answer.
if your heater just went out in your house and you need a really good electrical furnace you should really consider getting a whole new furnace from a hardware store or a heater store.
It vents directly out the side of the house n doesnt need a chimney
how big of a gas furnace do I need for a 2 story 2300 square foot house in northwest ohio
A 60,000 BTU/hr. furnace will heat a 1400 square foot house. However, the average daily temperature, house insulation and other factors will have to be considered before making a final decision.
48,000 input or output? If 48K is the input to an 80% efficient furnace, than the output would only be 38,400. It also depends on where the house is located, because 48K will heat a much larger house in Miami than it would in Minneapolis. You need to post more info to get a worthwhile answer. But to give you an idea I heat 1000 sq ft in NJ easily with a 52,500 80% efficient furnace which yields 42,000 output.
form_title= Furnace Parts form_header= Keep warm with a working furnace. How old is your furnace?*= _  What parts do you need?*= _  Please explain your issue in detail.*= _ 
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?*= _ 
That will depend entirely upon the type of furnace you have. There are filter less furnaces, so if you have one, you won't need filters. Otherwise, if your furnace requires a filter, you will need to purchase filters and replace them regularly. If you have the owners manual, that will tell you if the furnace needs a filter.