whole house fan sizing
As outside temperatures increase its time to think about cooling your home efficiently and effectively. Sizing A Whole House Fan.
How To Choose A Ceiling Fan For Your Home Best Ceiling Fans Ceiling Fan Airflow
This option is recommended for homeowners who want all the benefits of whole house fan cooling with the most cost effective solution.
. Whole House Fan Sizing Calculator Enter House Square Footage ft Enter Ceiling Height ft Your Required Whole House Fan Airflow CFM Approximately CFM For Effective Cooling Approximately CFM For Faster Cooling Calculate Air Flow. 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. Home Size 1500 - 2500 sf Airflow Required 2000 - 3500 CFM Recommended Models 3200C 3400 4300 Home Size 2500 - 3500 sf Airflow Required 3500 - 5000 CFM Recommended Models 4300 5300.
Ft Of Living Space. 17600 cubic feet 1600 11 What this means is that every eleven minutes the air in the home is being exchanged by a fan of. Home Sizing A Whole House Fan Sizing A Whole House Fan Option 1.
Fans should be sized by the cubic feet per minute cfm of cooling power they provide. Ceiling fans can be mounted in 3 positions. 2 CFM would provide a good system 25 CFM would provide a better system and 3 CFM would provide the best system.
For help determining the best Whole House Fan solution for your home please call our knowledgeable Customer Service team at 800-222-5932 Less than 1500 SQFT. Home Whole House Fan Sizing Calculator VentCool Is A Better Way To Cool Your Home No one likes a surprise power bill at the end of the month due to an overloaded AC unit. The Department of Energy provides a handy formula for helping you determine the size of whole house fan you need in your home.
Multiply the square footage by 3. The larger fans will give you a breeze while the smaller fans will provide a more moderate airflow throughout the house. To get the proper whole house fan size you should first calculate the square footage inside your home excluding the basement attic and garage.
R member a whole house fan pulls air from open windows through the home and exhausts it into the attic. This number represents the minimum cubic feet per minute that the fan must push. 16000 cubic feet of space divided by the capacity of the fan 2000 cubic feet per minute equals 8 minutes 16000 cuft volume of air divided by 2000 cuft of air moved per minute 8 minutes to move that volume.
Whole House Fan Cooling and Ventilation Sizing Cooling CFM Square Foot Size of Structure Properties Recommendation 1500 2000 2500 3000 3500 4000 4500 5000 POOR 1 CFM per square foot CFM Req. CFM Air exchanges per hr. The higher the CFM the more powerful the fan.
We use a general formula of either 2 25 or 3 CFM or Cubic Feet per Minute per square foot of living space. Our whole house fan sizing tool can help you determine the right size for your home without doing a lot of math. If you need 6000 CFM of air flow through your house divide 6000 by.
Whole House Fan Sizing Formula. For instance if your home is 2200 square feet youll need a fan that can move 6600 CFM of air per minute or more. The size of whole house fans is measured in CFM Cubing Feet per Minute.
The volume calculation for a single story home. For a whole house fan to operate correctly it must like any other ventilation device be sized and installed correctly to be of any benefit. Whole House Fan vs Attic Fan.
Home Size Home Size QC 1500 series QC 2250 series QC 4500 series Square feet Cubic Feet CFM Air exchanges per hr. To determine the proper size fan multiply the living space square footage by 3 or use the chart below. Calculate the volume of the living space in your house this includes hallways and excludes attic space garage and unfinished basements.
The difference between the two is the maximum amount of desired airflow ranging between 1000 and 3000 cubic feet per minute cfm. Cool fan whole house fan insulated gravity damper be_ixfym_202202 d_24. Choose either Effective or Rapid ventilation cooling to.
Efficient Cooling 15 20 CFM Per Sq. The size of whole house fans is measured in CFM Cubing Feet per Minute. There are two types of whole house fans.
You need a minimum of 1 square foot of attic air venting for each 750 CFM of air flow. CFM Air exchanges per hr. For instance if your home is 2200 square feet youll need a fan that can move 6600 CFM of air per minute or more.
A 4500 CFM system would need 6 square feet of venting. 2200 square foot home x 8 inch ceiling height 17600 cubic feet Divide the cubic feet measurement by the CFM rating assigned to the fan. To calculate how much CFM you need in your home simply use the calculator found.
Sizing your AirScape Whole House Fan The AirScape Sierra and Ventura both come in three different airflow capacities. Simply match your home size below to see our recommendations. On the other hand an undersized unit will require some minutes more to cool the house and it can be noisier than a larger unit operating at a lower speed but just that.
There is a simple way to determine the size fan you need for your house. Use our easy and fast Whole House Fan Size Calculator to simplify the process. In general a bigger house needs a bigger fan.
Assuming you have standard eight foot ceilings simply multiply the total square footage of the finished living space of your house by three. Whole house fans are rated in CFM Cubic Feet of air moved per Minute. Just enter your homes square footage and ceiling height and youll instantly see the range of CFMs that are appropriate for the space.
Below is a guide based on square footage of your home that will give you a recommended Whole House Fan for your home. Youll need to calculate the amount of air in your home in cubic feet by multiplying the square footage of floor space with the.