- Determine the home's cubic measurement by multiplying the square footage by ceiling height: 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: 17600 cubic feet ÷ 1600 = 11.
What CFM do I need for a whole house fan?
- 1.5 – 2.0 CFM Of Air Flow Per SQ FT OF LIVING SPACE.
- 2.5 – 3.0 CFM Of Air Flow Per SQ FT OF LIVING SPACE.
- Sizing for this air flow rate is the most popular. ...
- i.e. a 2000 sq. ...
- Do you have high cathedral ceilings?
- High ceilings increase the total cubic feet of air space in a home.
How do you size a quiet cool whole house fan?
As stated by the Department of Energy, PG&E, and the California Energy Commission, each home should have 1 square foot of net free vent area for every 750 CFM in the QuietCool system. It is very easy to measure the venting in your attic.
How many amps does a quiet cool fan draw?
You are here: None of our QuietCool models require a dedicated circuit to operate correctly. All QuietCool models run between 1 to 10 amps and should work fine on all existing services.
How loud is a quiet cool whole house fan?
When installation is performed improperly, it can cause the fan to vibrate and make even extra noise. ... the QuietCool CL-1500 Whole House Fan has a sound level of 42 decibels . To help understand that sound level, a whisper clocks in at 30 decibels, while a babbling brook averages 40 decibels.
Can whole house fan be too big?
You need a minimum of 1 square foot of attic air venting for each 750 CFM of air flow. ... A 24-inch fan will move 4,500 CFM. In general, there's no harm in buying a whole-house fan slightly larger than the minimum CFM you need .
Can you run a whole house fan all night?
Running a house fan all night
Actually, it is recommended to run a whole house exhaust fans overnight . This way, you are cooling more than just the air, you are reducing the temperature of your home's entire structure.
How many CFM should a fan have?
Good CFM ranges from 4,000 to 5,000 . Better ranges from 5,000 to 6,000. Best is over 6,000.
How many CFM do I need for 1000 square feet?
| Total area of home (square feet) Continuous ventilation rate | 1,000 square feet 50 CFM | 2,000 square feet 100 CFM | 3,000 square feet 150 CFM |
|---|
What's the difference between an attic fan and a whole house fan?
Attic fans are quite different. They're installed up on a roof or through an exterior wall up in an attic. ... Whole-house fans need windows and doors open and attic fans need lots of soffit vents to suck cooler outdoor air up into the hot attic. Without this open space, the fans will not move much air.
Does quiet cool whole house fan have a filter?
QuietCool offers a selection of accessories to enhance the performance of your QuietCool products. Timers are available to turn off your whole house fan after set times. PollenTec screens help filter incoming air at the windows you use with your whole house fan.
Does a whole house fan need a dedicated circuit?
You only need an individual branch circuit (what's called “dedicated” in the trade) in specific scenarios. Kitchens and similar areas need a small appliance outlet dedication.
Does attic fan need its own circuit?
An attic fan will typically need 4 to 5 amps of service . ... If an existing circuit nearby cannot handle the added load of an attic fan, you may need to run a new 15-amp circuit to the space. The fan will also require electrical connections to power it and the thermostat to control when the fan runs.
Can a whole house fan cause mold?
A properly set up whole house fan can cool an entire home in about an hour. ... It pulls air through any cracks and crevices that it can and can even pull up damp air from crawl spaces under your home up through living spaces and cause mold problems.
Is a 30 dB fan loud?
| dBa Characteristics Sound source | 30 quiet whisper, wall clock ticking | standard sound level for residential premises from 23.00 till 07.00 | 35 quite audible low speech | 40 conventional speech |
|---|
