whole house fan sizing
According to experts you will need a whole house fan that has a CFM rating of 2 to 3 times the square foot area of your home. On the other hand an undersized unit will require some minutes more to cool the house and it can be noisier than a.
Ceiling Fan Size Guide What Size Ceiling Fan Do I Need 50 1000 Sq Ft
Cathedral ceiling - add approximately 25 more to square footage.
. Whole House Fan Sizing Calculator. Sizing A Whole House Fan. If you need 6000 CFM of air flow through your house divide 6000 by 750 to get a.
2200 square foot home x 8. The finished size of the house will be about 2000 square feet - approx 1500 on the main level and. These ratings are commonly in the range of thousands of feet.
The same home would need a 6000 CFM rated fan to achieve 30 CFM Per Sq. Whole House Fan Sizing Formula We use a general formula of either 2 25 or 3 CFM or Cubic Feet per Minute per square foot of living space. BELT-DRIVE WH302BDX30 5700 1900 76 sq.
It sounds like your house measures 30000 cubic feet. For example if you live in a 2000 sqft house you. Formula CFM Home Cubic Feet x 60.
2 CFM would provide a good system 25 CFM. Below is a guide based on square footage of your home that will give you a recommended Whole House Fan for your home. Our whole house fan sizing tool can help you determine the right size for your home without doing a lot of math.
Use our easy and fast Whole House Fan Size Calculator to simplify the process. Ceiling fans can be mounted in 3 positions. A 2000 square foot house with an 8 foot high ceilings has 16000 cubic feet of space 2000 sqft area 8 ft 16000 cubic feet.
The Department of Energy provides a handy formula for helping you determine the size of whole house fan you need in your home. Whole House Home Exhaust Area Fan ModelSize CFM Square Footage Needed DIRECT-DRIVE WH242MLX24 3500 1500 60 sq. The most common sizing guideline for whole-house fans recommends that you choose a fan with a cfm rating that is 14.
Sizing your AirScape Whole House Fan The AirScape Sierra and Ventura both come in three different airflow capacities. The strength or power of a whole house fan is measured by the amount of cubic feet of air per minute CFM that it can push. The size of whole house fans is measured in CFM Cubing Feet per Minute.
You need a minimum of 1 square foot of attic air venting for each 750 CFM of air flow. Home Size 1500 -. Im in the middle of a home addition and am thinking about adding a whole house fan.
In general a bigger house needs a bigger fan. Youll need to calculate the amount of air in. Just enter your homes square footage and ceiling height and youll instantly see the range of CFMs that are.
Whole House Fan Sizing Calculator Enter House Square Footage ft Enter. Whole house fan air exchange chart based on 8 ceilings in traditional homes. Whole-House Fans PM The size of whole house fans is measured in CFM Cubing Feet per Minute.
Ft home would need a 5000 CFM rated fan to achieve the 25 CFM Per Sq. Sizing a whole house fan at this rate will make you feel coolest as well as reduce the temperature in your home the fastest. 16000 cubic feet of space divided by the capacity of the fan.
Simply match your home size below to see our recommendations. How to Size a Whole House Fan with the Correct CFM Determine the homes cubic measurement by multiplying the square footage by ceiling height. Whole House Fan Sizing Calculator Calculate Your Model Enter the required information in the calculator to reveal your Whole House Fan Airflow CFM.
For a whole house fan to operate correctly it must like any other ventilation device be sized and installed correctly to be. On the other hand an undersized unit will require some minutes more to cool the.