30 feet x 50 feet 1 500 square feet.
Attic size for 1500 sq ft house.
Net free area in square inches.
So for instance a 1 500 square foot home would look something like this.
So in our example we will divide the 1 500 square feet by 300.
As an empty nester i dream of having only two glorious bedrooms a master and guest room that are equal in size and two and a half bathrooms.
So you would want to install a 3 5 ton unit.
As an example let s use a home that measures 2200 square feet has an average floor to ceiling height measurement of 8 feet and a whole house fan with cfm rating of 1600.
Cost to replumb a house.
An accurate estimate depends on the number of bathrooms how far they are from the kitchen where the laundry room is and the number of fixtures.
Ventilation area in square feet.
If there is poor insulation efficiency in your home its best to estimate higher tonnage.
For example a 2 200 sq ft.
Attic area in square feet.
In the example above you would estimate a 4 ton unit for a poorly insulated 2 200 sq ft.
The federal housing administration recommends 1 square foot of attic ventilation for every 150 square feet of attic space.
Example 20 wide by 50 long attic.
For a single story house this is usually the same as the square footage of the house itself plus any attached garage area.
House square footage ac unit size estimate.
Replumbing a 1 500 square foot home costs between 2 280 and 4 080 or 0 40 to 2 00 per linear foot depending on the type of pipe used.
There are two different ways to get a ballpark size estimate for your house and one more precise way that we will discuss in this section.
Building codes typically echo the administration s guidelines.
Ok so now we know the square footage of the attic area to be ventilated.
20 x 50 1 000 sq.
For instance if your house has an overall floor area of 1 500 square feet and 8 foot ceilings multiply 1 500 by 8 to get 12 000 cubic feet of volume.
Multiply the volume by 30 to get 360 000.
Now let s figure out how much ventilation space we need.
Determine the home s cubic measurement by multiplying the square footage by ceiling height.
House divided by 600 3 6666.
Use the old school equation.
House square footage times 30 divided by 12 000 1 0 required tonnage.
It s key to think big when you re planning how to use your 1 500 square feet.
To determine the size of your attic multiply the width by the length of the attic floor in feet.