This depends greatly on the region in which you live. In California 700 square feet would require only about 30,000 BTU. In Vermont, probably twice that much would be adequate. It also depends on insulation and weather sealing.
It heats all the square feet in the network of rooms through which it's distributed.How warm it heats them, and how fast, depends on the height of the ceilings, andon the rate of loss of heat through the walls, which in turn depends on the outsidetemperature and the insulation efficiency of the walls.
Definition: An identifying number assigned to the product of one melting in an electric arc furnace: e.g. 19345. Sometimes, but not universally, the first digit indicates the furnace number; the second digit indicates the year in which the heat was melted. The last three (and sometimes four) digits show that this was the 345th heat melted in No. 1 furnace during 1989.
-- Floor and ceiling . . . (13 x 16) = 208 square feet each -- One pair of walls . . . (13 x 13) = 169 square feet each -- The other pair of walls . . . (13 x 16) = 208 square feet each Total = 1,170 square feet. If you need this number for carpet, wallpaper, or paint, then subtract the area of windows, doors, electrical outlets, heat registers, etc.
the larger the surface area you have, to more heat that you are going to lose.
It is better to have a hvac company come out and do a heat calculation on the house then it is to follow a basic sq ft heat calc. Call around for a company that has heat calc software, that takes into account the windows,walls, doors, attic, and they should also give you a copy of the calc. This way you get the best system for the house. You can find a heat calc for sq ft online, but I recommend getting the right calc. If you have 2x4 walls with r13, or 2x6 with r19, you could be losing or overpowering the house without taking all this into account with a good heat calc.
Will a 40,000 btu furnace be enough to heat my 1375 square foot middle unit town house.
230,000 btu
Yes, a 14,000 BTU furnace will heat your 500 square foot room just fine. Make sure you test it out to make sure you don't turn it up too high at first.
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.
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 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.
You would need a 10 to 40 MMBtu/hr boiler for that size of a school. The larger the place you are heating the larger output of heat you will need.
its usually about 20 btu's per square foot
There is always a wall thermostat for regulating furnace heat.
In a furnace large amount of the heat supplied is wasted in the form of exhaust or flue gases.. that s called as heat loss in a furnace..
about 12,000
An oil fired furnace works by using oil and a flame. The oil is sent through a tube to the burner area of the furnace and when the oil is ignited with a lighter, the flame can be adjusted according to how much heat is necessary.