depends on your location, but 3.5-5.5 tons shoudl cover it.
230,000 btu
2.5 tons at least but you have so many other factors to consider.
A general rule of thumb in estimating the size of furnace needed to heat a home is to find the square footage of the home, and multiply that by 45 BTU (British Thermal Unit). For a 3200 square foot home a furnace somewhere in the range of 144,000 BTU would be a reasonable estimation of the furnace size needed to heat the home. To find the most efficient furnace for any given home, however, it would be best to contact an HVAC professional who can perform a load-calculation.
a high efficiency furnace is a furnace that uses less electicity and saves on heating expences. they are very useful in the winter and great to lower your central heating bills.
You take the size of your home in square feet and times it by how many rooms you have. A 70,000 BTU furnace will heat a house 1600 square feet.
form_title= Electric Furnace form_header= Keep warm with an electric furnace. Do you need to replace an existing furnace?*= () Yes () No How old is your home?*= _ [50] What is the square footage of your home? *= _ [50] Will the furnace be the sole source of heating?*= () Yes () No
form_title= Vacuum Furnace Systems form_header= Install a vacuum furnace system. What is the square footage of your home?*= _ [50] How old is your home?*= _ [50] What type of heating do you have?*= _ [50]
The cost per square foot to frame a home in Illinois is about $98. This means to frame a 1800 square foot home, it would cost about $176,400.
In Manchester, VT, the average residential cost per square foot to build a home is about $89.70. This means that a 5,000 square foot home will cost about $448,500 to build.
900 square feet
$200.00 is the average square foot cost for 12x14 home addition.