Sizing the Whose-House Fan Whole-house fans are powerful devices. The Department of Energy provides a handy formula for helping you determine the size of whole house fan you need in your home.
Air Vent 8 In X 27 5 In 3500 Cfm White Aluminum Automatic Shutter Speed Control Whole House Fan Wh242mlx Whole House Fan House Fan Attic Fan
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.
. We suggest 2 to 4 minute single air change. A 4500 CFM system would need 6 square feet of venting. QA-Deluxe Fans recommends that clients consider purchasing the largest whole house fan that their home has the attic ventilation for.
The difference between the two is the maximum amount of desired airflow ranging between 1000 and 3000 cubic feet per minute cfm. Fans should be sized by the cubic feet per minute cfm of cooling power they provide. For example for coastal or mountain climates the recommendation is typically 2 CFM per square foot.
The volume calculation for a single. 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. In general a bigger house needs a bigger fan.
The size of whole house fans is measured in CFM Cubing Feet per Minute. Most manufacturers recommend sizing a whole house fan at 2 to 3 CFM cubic feet of air per minute per square foot of living space. Sizing your AirScape Whole House Fan The AirScape Sierra and Ventura both come in three different airflow capacities.
The attic venting you choose will be specific to your home and roof type. In order to get the right-sized whole house fan youll need to size it to exchange the appropriate amount of CFM cubic feet of air per minute. There are two types of whole house fans.
Fan Comparison Chart This Quick Reference Guide Will Help You To Quickly Find The Whole House Fan That Works Best For You. Use these tools to calculate the right size fan everytime. Calculate the volume of the living space in your house this includes hallways and excludes attic space garage and unfinished basements.
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. Youll need to calculate the amount of air in your home in cubic feet by multiplying the square footage of floor space with the. Our whole house fan sizing tool can help you determine the right size for your home without doing a lot of math.
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 this rating along with having windows open in each room. Whole House Fan Sizing Calculator. Home Sizing A Whole House Fan Sizing A Whole House Fan Option 1.
As outside temperatures increase its time to think about cooling your home efficiently and effectively. 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. However if this same size home.
Calculate the cubic feet of your structure. Multiply the square footage by 3. Feel Free To Call.
Below is a guide based on square footage of your home that will give you a recommended Whole House Fan for your home. Cool fan whole house fan insulated gravity damper be_ixfym_202202 d_24. Length X Width X Ceiling Height Cubic Feet How many minutes per single air change do you require.
The larger fans will give you a breeze while the smaller fans will provide a more moderate airflow throughout the house. For instance if your home is 2200 square feet youll need a fan that can move 6600 CFM of air per minute or more. Ceiling fans can be mounted in 3 positions.
Efficient Cooling 15 20 CFM Per Sq. Of net free attic ventilation. Fast Shipping On All Whole House Fans.
For instance if your home is 2200 square feet youll need a fan that can move 6600 CFM of air per minute or more. This recommendation is typically based on the location that your home is located in. You need a minimum of 1 square foot of attic air venting for each 750 CFM of air flow.
A 4500 CFM system would need 6 square feet of venting. Its very likely for example that a 2200 sq. The size of whole house fans is measured in CFM Cubing Feet per Minute.
4700 CFM Fans for a whole home area of 900-1600 square feet 5400 CFM Fans for a whole home area of 1600-2400 square feet Attic Venting Each fan needs 1 square foot of net free venting per 750 CFM. We suggest 4 to 6 minute single air change. To get the proper whole house fan size you should first calculate the square footage inside your home excluding the basement attic and garage.
If you need 6000 CFM of air flow through your house divide 6000 by 750 to get a minimum 8 square feet of. 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. 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.
Sizing A Whole House Fan. 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. This option is recommended for homeowners who want all the benefits of whole house fan cooling with the most cost effective solution.
Ft Of Living Space. Whole House Fan vs Attic Fan. 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.
Simply match your home size below to see our recommendations. Home will have sufficient attic ventilation for our 3300 model which requires about 25 sq.
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