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#1 cooling, energy savings, and ventilation system in Australia!

WHY IS A WHOLE-HOUSE FAN WORTH IT?

Whole-house fans provide numerous advantages to homeowners.

IMMEDIATELY FEEL 5-10º COOLER

Homeowners can expect to feel a temperature drop of 5 to 10º within seconds of turning on their whole-house fans due to the strong breeze that flows through the home's windows.

SAVE UP TO 50-90% ON AIR CONDITIONING COSTS

A whole house fan improves energy efficiency, which results in significant savings for homeowners on their air conditioning bills. A whole house fan can reduce the need for air conditioning by a significant amount, and in some climates may even make it unneeded.

EXPEL AIRBORNE POLLUTANTS

Say goodbye to cooking stench, pet dander, smoke, bacteria, gases, and other unwelcome airborne annoyances with the massive amount of airflow a properly sized whole house fan is able to provide into the home.

KEEP YOUR HOME FRESH, COOL, AND COMFORTABLE

With a correctly sized whole-house fan, the entire home's air volume is replaced every 3–4 minutes, drastically enhancing the indoor air quality.

EXTEND THE LIFE OF YOUR AC

Using a whole house fan to cool your home minimizes the amount of time your A/C is on throughout the year, extending its lifespan and decreasing the expense to repair or replace it.

HELP KEEP THE WORLD ECO-FRIENDLY

Using a whole-house fan to reduce your energy use has many benefits, including lowering your carbon footprint, decreasing your monthly energy costs, and helping to maintain a healthy environment for future generations.

COOL YOUR ATTIC THE SMART WAY

Whole-house fans may also cool your attic by up to 50º. A heated attic heats up the inside of your home and can cause problems with appliances situated in your attic. A whole-house fan keeps your home and attic cool and ventilated.

IN THE WINTER, HEAT AND VENTILATE YOUR HOME

In the winter, homeowners can run a whole-house fan for a few minutes during the warmest parts of the day to bring in fresh air and exhaust stale, stuffy air.

HOW TO USE A WHOLE HOUSE FAN

When to use a Whole House Fan and how is a crucial aspect of receiving as many benefits as possible from these fans. The first important step is to ensure that the outdoor air is a temperature you would like in your own home. If it is, simply open 3-4 windows 2-3 inches wide and turn on your whole house fan. This process will flush in the outdoor air and flush out your stale, indoor air.

A whole house fan is most effectively used when it is run at the proper time, however, the way in which it is used is very important as well.

When using a whole house fan, the first important step is making sure the outside temperature is lower than the inside temperature.

If the temperature outside is lower than the temperature inside, the next step is to open 3 to 4 windows, 4 to 6 inches each. Make sure to open windows in the locations that you want the breeze to come from.

Lastly, turn your whole house fan on high speed. It is always best to start on high speed, and as the temperature in your house begins to drop, you can lower the speed of the fan.

HOW TO USE A WHOLE HOUSE FAN

When to use a Whole House Fan and how is a crucial aspect of receiving as many benefits as possible from these fans. The first important step is to ensure that the outdoor air is a temperature you would like in your own home. If it is, simply open 3-4 windows 2-3 inches wide and turn on your Whole House Fan. This process will flush in the outdoor air and flush out your stale, indoor air.

woman using pollentec screen

Operating Whole-house fans in high-pollen areas

One of the most common worries among consumers is dust and pollen entering the home through open windows. People believe that because a whole house fan moves up to 10 times more air than a standard A/C unit, it will carry pollution, dust, pollen, and other contaminants into their home. This is not the case in most markets. Because most areas do not have large levels of dust or pollen, this is not a concern. However, in dusty regions, a homeowner can simply purchase anti-pollen and dust screens, which are relatively inexpensive. They can keep up to 99% of dust and pollen out of your home. You will normally just need to replace a few window screens in your home as a whole house fan system only requires a few windows open when in operation.

UTILIZING WHOLE HOUSE FANS IN HUMID CLIMATES

Many people think that you can’t use a whole house fan in humid areas. Even though it’s true that you shouldn’t run a whole house fan when it’s the most humid, most places in the U.S. with high humidity see a big drop in humidity around the time you would run your whole-house fan.

Most of the time, the humidity is highest in the early morning and lowest in the late afternoon. In these places, people turn on their whole house fans in the late afternoon or early evening, when the humidity is just right, so they can get the most out of them. By early morning, the homeowner will have turned off the whole house fan and will be able to enjoy a cooler house all day.

Here are the US states and the average levels of humidity at different times of day. ASHRAE* says that the humidity should be between 45% and 55% to avoid health problems and illnesses.

According to ASHRAE and other health organizations, the best humidity range for a home is between 30% and 65%, with a suggested range of 45% to 55% to manage health effects and illnesses.

THE DISTINCTIONS BETWEEN WHOLE-HOUSE FANS

A lot of people aren’t sure what the difference is between an attic fan and a whole house fan. Even though they are very different, they work together to keep your house cool and airy during the day and night. When whole house fans were first made in the 1960s, they were very popular in the south, where they were called “attic fans.” This is what has made today so confusing.

A whole house fan is used to cool down both the home and the attic. You usually run them at night or early in the morning, when it’s cooler outside. This gets rid of all the hot, stale air in your home and attic by cooling, circulating, and venting it outside. You would never run your whole house fan in the middle of the day when it is hottest. An attic fan can help with this.

Attic fans only let air into and out of your attic. You mostly use them during the day, but they also work well in the evening and at night. Attic fans use the vents in your attic to pull air from the outside in. This means that when the fan is running, the temperature in your attic will always be within 10oF of the temperature outside. Without an attic fan, your attic can get as hot as 150oF in the summer, which can damage your home and cause your electric bills to be high.

An attic fan can be used by a homeowner even in the winter. Because the air inside the house is warm and the air in the attic is cold, moisture and mold can build up in the winter. The snow on the roof will then turn to ice, which will hold the extra water. This is called “ice damming,” and it’s what leads to mold, mildew, and roof rot before it should. With an attic fan, the constant flow of air in the attic keeps it healthy and reduces the amount of humidity.

The best system combines an attic fan and a whole house fan to cool, ventilate, and exhaust the whole house day and night, all year long.

THE DISTINCTIONS BETWEEN WHOLE-HOUSE FANS

A lot of people aren’t sure what the difference is between an attic fan and a whole house fan. Even though they are very different, they work together to keep your house cool and airy during the day and night. When whole house fans were first made in the 1960s, they were very popular in the south, where they were called “attic fans.” This is what has made today so confusing.

A whole house fan is used to cool down both the home and the attic. You usually run them at night or early in the morning, when it’s cooler outside. This gets rid of all the hot, stale air in your home and attic by cooling, circulating, and venting it outside. You would never run your whole house fan in the middle of the day when it is hottest. An attic fan can help with this.

Attic fans only let air into and out of your attic. You mostly use them during the day, but they also work well in the evening and at night. Attic fans use the vents in your attic to pull air from the outside in. This means that when the fan is running, the temperature in your attic will always be within 10oF of the temperature outside. Without an attic fan, your attic can get as hot as 150oF in the summer, which can damage your home and cause your electric bills to be high.

An attic fan can be used by a homeowner even in the winter. Because the air inside the house is warm and the air in the attic is cold, moisture and mold can build up in the winter. The snow on the roof will then turn to ice, which will hold the extra water. This is called “ice damming,” and it’s what leads to mold, mildew, and roof rot before it should. With an attic fan, the constant flow of air in the attic keeps it healthy and reduces the amount of humidity.

The best system combines an attic fan and a whole house fan to cool, ventilate, and exhaust the whole house day and night, all year long.

WHY EVERY HOME NEEDS A WHOLE HOUSE FAN REGARDLESS IF YOU HAVE SOLAR

Whole house fans are the perfect pairing to create a net zero home. A whole house fan can offset your most expensive appliance, the A/C system, while your solar can offset the rest of the house making sure you have a net zero home without sacrificing ventilation, comfort or indoor air quality. Watch our quick video that explains why every home needs a whole house fan system.

HOW WHOLE HOUSE FANS DIFFER FROM AIR CONDITIONING

A whole house fan can cool your home, just like an air conditioner, but in a completely different way. A/C systems work well, but they cost a lot more to install and are the most expensive thing to run in your home, so your energy bills go up when it’s hot.

The air inside your home is pulled through a condenser, which cools the air, and then pushed out of the A/C vents in your home. This is a closed loop system that does nothing to improve the air quality inside your home because it just recycles the air that is already there.

This process is much more complicated and uses a lot of energy than a whole house fan.

When it’s cooler outside than inside, you just open a window and turn on a whole house fan. This will let the cool air come in and let the hot air escape.

The only benefit of an A/C system is that you can run it no matter how hot it is outside, while you should only run a whole house fan when it’s cooler outside during the summer.

open windows when using a whole house fan

HOW WHOLE HOUSE FANS DIFFER FROM AIR CONDITIONING

A whole house fan can cool your home, just like an air conditioner, but in a completely different way. A/C systems work well, but they cost a lot more to install and are the most expensive thing to run in your home, so your energy bills go up when it’s hot.

The air inside your home is pulled through a condenser, which cools the air, and then pushed out of the A/C vents in your home. This is a closed loop system that does nothing to improve the air quality inside your home because it just recycles the air that is already there.

This process is much more complicated and uses a lot of energy than a whole house fan.

When it’s cooler outside than inside, you just open a window and turn on a whole house fan. This will let the cool air come in and let the hot air escape.

The only benefit of an A/C system is that you can run it no matter how hot it is outside, while you should only run a whole house fan when it’s cooler outside during the summer.

SAVINGS AND RETURN ON INVESTMENT OF A WHOLE HOUSE FAN

The United States Department of Energy says that whole house fans are the best way to cool your home for the least amount of money. UCLA says that whole house fans can get rid of the need for air conditioning in 10 of California’s 16 climate zones.

While these two major research groups praise the benefits, the new home construction industry is beginning to see whole house fans as one of the best things that can be put in a home. To make a net-zero home, builders are using smaller solar systems, better insulation, and a whole house fan.

A Net Zero home is one that makes as much energy as it uses. This means that it doesn’t use any energy from the electricity grid. The goal for California is to build homes that use no energy until 2024. Since air conditioning costs make up between 60 and 80% of a home’s utility bill, a whole house fan is one of the most cost-effective ways to get to a Net Zero home.

Depending on where the house is, the average home uses between 1200 and 3000 hours of air conditioning. The average return on investment for a whole house fan is between 1 and 3 years, which is one of the fastest ROIs for green energy products. It can save up to 90% on air conditioning use.

SAVINGS AND RETURN ON INVESTMENT OF A WHOLE HOUSE FAN

The United States Department of Energy says that whole house fans are the best way to cool your home for the least amount of money. UCLA says that whole house fans can get rid of the need for air conditioning in 10 of California’s 16 climate zones.

While these two major research groups praise the benefits, the new home construction industry is beginning to see whole house fans as one of the best things that can be put in a home. To make a net-zero home, builders are using smaller solar systems, better insulation, and a whole house fan.

A Net Zero home is one that makes as much energy as it uses. This means that it doesn’t use any energy from the electricity grid. The goal for California is to build homes that use no energy until 2024. Since air conditioning costs make up between 60 and 80% of a home’s utility bill, a whole house fan is one of the most cost-effective ways to get to a Net Zero home.

Depending on where the house is, the average home uses between 1200 and 3000 hours of air conditioning. The average return on investment for a whole house fan is between 1 and 3 years, which is one of the fastest ROIs for green energy products. It can save up to 90% on air conditioning use.

ac vs whf savings

COMPARING THE COST OF AIR CONDITIONING TO WHOLE HOUSE FANS

Depending on the size of the whole house fan, you may anticipate to pay between $500 and $3000 for installation. Pricing varies according to the type of whole house fan, sizing requirements, and motor type.

A brand new central air system installed can cost up to $20,000 depending on the size of your home and is a very complex installation.

In addition, many homeowners are opting to install a whole house fan if their A/C breaks and they require A/C repair. A/C repair can be quite costly.

The key aspect that will determine whether you should install a central air conditioning system or a whole house fan is the climate in which you live. Some climates will require A/C even with a whole-house fan, but others can fully eliminate A/C consumption.

COMPARING THE COST OF AIR CONDITIONING TO WHOLE HOUSE FANS

Depending on the size of the whole house fan, you may anticipate to pay between $500 and $3000 for installation. Pricing varies according to the type of whole house fan, sizing requirements, and motor type.

A brand new central air system installed can cost up to $20,000 depending on the size of your home and is a very complex installation.

In addition, many homeowners are opting to install a whole house fan if their A/C breaks and they require A/C repair. A/C repair can be quite costly.

The key aspect that will determine whether you should install a central air conditioning system or a whole house fan is the climate in which you live. Some climates will require A/C even with a whole-house fan, but others can fully eliminate A/C consumption.

EXPERIENCE A MORE COMFORTABLE LIFESTYLE

It is critical to feel at ease in your own house. This is why our products ensure that you may enjoy a refreshing breeze anytime you need it.

Simply switch on your Whole House Fan to enjoy a natural, fresh breeze in a matter of seconds. This creates an active breeze over your home, instantly cooling you down by 5 to 10 degrees.

During the summer, the upstairs of a two or three-story home can become extremely hot. On a hot summer day, even air conditioning cannot always keep a home’s upstairs cool. Whole-house fans are the most effective way to cool a hot upstairs and put an end to those heated sleepless nights.

family enjoys cool clean air

EXPERIENCE A MORE COMFORTABLE LIFESTYLE

It is critical to feel at ease in your own house. This is why our products ensure that you may enjoy a refreshing breeze anytime you need it.

Simply switch on your Whole House Fan to enjoy a natural, fresh breeze in a matter of seconds. This creates an active breeze over your home, instantly cooling you down by 5 to 10 degrees.

During the summer, the upstairs of a two or three-story home can become extremely hot. On a hot summer day, even air conditioning cannot always keep a home’s upstairs cool. Whole-house fans are the most effective way to cool a hot upstairs and put an end to those heated sleepless nights.

The Decibel Levels of Whole-House Fans

The decibel range for advanced whole house fans is between 40 and 52. An advanced whole house fan is about as loud as a normal air conditioner running in your home. Check out this graph to see how the decibel levels of some of the most common household appliances and other loud things compare. You will notice that the new whole house fans are very quiet. This is done by separating the motor housing from the air register right above the ceiling. Remember that the old whole house fans, which made a lot of noise, are not the same as the new ones, which can be over 40dB quieter.

quiet whole house fan sound comparison

Improving your home’s Indoor Air Quality

With new viruses coming out and homes and buildings being built tighter and tighter, it is very important to make sure the air quality inside your home is good.

Whole house fans do more than just cool the house down and help save money on electricity. They help a lot to improve the quality of the air inside a home by getting rid of hot, stale, and dirty air and letting fresh air in. Many people don’t want to open their windows because they think the air outside is dusty and dirty. However, the American Lung Association says that the air inside the home is 2 to 5 times more polluted than the air outside. This is because of chemicals in the home, pet dander, germs, allergens, and other things.

This means that when a homeowner turns on their whole house fan, they are replacing the dirty air inside their home with cool, fresh air from outside. When they put in the whole house fan, many customers say that their allergies went away.

kitchen indoor air quality

Improving your home’s Indoor Air Quality

With new viruses coming out and homes and buildings being built tighter and tighter, it is very important to make sure the air quality inside your home is good.

Whole house fans do more than just cool the house down and help save money on electricity. They help a lot to improve the quality of the air inside a home by getting rid of hot, stale, and dirty air and letting fresh air in. Many people don’t want to open their windows because they think the air outside is dusty and dirty. However, the American Lung Association says that the air inside the home is 2 to 5 times more polluted than the air outside. This is because of chemicals in the home, pet dander, germs, allergens, and other things.

This means that when a homeowner turns on their whole house fan, they are replacing the dirty air inside their home with cool, fresh air from outside. When they put in the whole house fan, many customers say that their allergies went away.

Bad Indoor Air Quality

We have measured the indoor air quality of homes using a variety of tests and the best technology available. This image depicts the air quality in a typical home. As you can see, the air quality in the house was very poor due to a lack of ventilation. This is where a whole-house fan may make the most of an impact in your home.

Good Indoor Air Quality

This image depicts the air quality in the home after a 10-minute run of a whole-house fan. You can see how the whole house fan increased the home’s indoor air quality score dramatically. Within a few minutes, the levels of VOCs, PM 2.5, dust, and carbon dioxide were significantly decreased. This demonstrates how much of a difference a whole-house fan can make within your home. For a single-family home, whole-house fans are the best indoor air quality product money can buy.

Good Indoor Air Quality

This picture shows the air quality in the home after running a whole house fan for 10 minutes. You can see how the whole house fan significantly improved the home’s indoor air quality score. You can see the VOCs, PM 2.5, dust and carbon dioxide levels improved dramatically within just a few short minutes. This shows just how powerful of a difference a whole house fan can make inside your home. Whole house fans are the best indoor air quality product money can buy for a single family residence.

This climate zone allows whole house fan usage almost year around! Homeowners can run their whole house fan year around saving up to 75% off A/C related costs. On average, a homeowner can run their whole house fan anytime except for about 4 to 6 weeks of the year, where it may be too hot or too humid.

This climate zone allows whole house fan usage during Spring, Fall, and Winter. Typically during the Summer this region experiences high humidity and a warmer nighttime climate which would not allow for whole house fan usage. However, if you live closer to the coast or at higher elevations, you may be able to eliminate A/C usage completely. If you live more inland in a desert climate, you may be able to save up to 50-75% off A/C related costs.

This climate zone allows whole house fan usage year around! If you live closer to the coast or at higher elevations, you may be able to eliminate A/C usage completely. If you live more inland in a desert climate, you may be able to save up to 50-75% off A/C related costs in the Summer, and possibly even more in the other seasons.

This climate zone allows whole house fan usage year around! If you live closer to the coast or at higher elevations, you may be able to eliminate A/C usage completely. If you live more inland in a desert climate, you may be able to save up to 60-75% off A/C related costs, and possibly even more in the other seasons.

This climate zone allows whole house fan usage year around! If you live closer to the coast or at higher elevations, you may be able to eliminate A/C usage completely. If you live more inland in a desert climate, you may be able to save up to 50-75% off A/C related costs, and possibly even more in the other seasons. 

This climate zone allows whole house fan usage year around! If you live closer to the coast or at higher elevations, you may be able to eliminate A/C usage completely. If you live more inland, you may be able to save up to 70-75% off A/C related costs, and possibly even more in the other seasons.

This climate zone allows whole house fan usage year around! If you live closer to the coast or at higher elevations, you may be able to eliminate A/C usage completely. If you live more inland, you may be able to save up to 70-75% off A/C related costs, and possibly even more in the other seasons.

Whole House Fan FAQ

Do whole house fans bring in dust?

Many homeowners may think their house will get dustier by running the whole house fan. However, due to the amount of air a whole house fan moves when properly sized to the home, dust does not have any time to settle in the home! Most customers, even in the dustiest of areas, do not notice a big increase in the amount of dust in the home. For homeowners that are still concerned with bringing in dust or allergens, there are new window screen products that are designed to block 99.9% of dust and allergens. The screens are very easy to install by simply replacing the standard screens already installed in the home. Also, since whole house fans only require a few windows to be open, homeowners do not need to replace every screen in the home! The screens will also tint the windows to keep your home cooler.

Where do whole house fans work best?

Whole house fans are designed to cool, ventilate, and exhaust your home of all the hot, stale air built up in your home and attic.

There are still some people out there that doubt if whole house fans really work. The efficacy of whole house fans depends on the climate zone that the home is in.

Whole house fans work in almost every climate zone, even in high humidity or desert climates.

Whole house fans are designed to be used year-round. From spring all the way to fall, a whole house fan can be used to cool, ventilate, and exhaust the air in your home in the majority of areas in the country.

In high humidity and desert regions, whole house fans are the most effective during spring and fall for cooling benefits and year-round indoor air quality benefits. Due to humidity, you wouldn’t want to run your whole house fan for cooling during summer.

How Long Will It Take For My Home To Cool Down?

The amount of time it takes to cool your home depends on many factors such as type of system, location, time of day, etc. The QuietCool Whole House Fan System will instantly start cooling your home with 15-22 complete air exchanges per hour.

Does the Quietcool work during the daytime?

Yes, you can run it in the day time but only when it is cooler outside then the temperature inside your home.

How Does A Whole House Fan Work?

A whole house fan pulls air into a home from open windows and exhausts it through the attic and out the attic vents. This provides good home and attic ventilation in addition to a great cooling affect in your home. We recommend installing a system that provides 15-22 complete air exchanges per hour. Learn more about our QuietCool whole house fan products on our How it Works page.

When Should You use your Quietcool Whole House Fan?

The QuietCool whole house fan system works best in the early morning and evening time. You want to run your system whenever the outside temperature is cooler than the inside your home. You can also use your QuietCool whole house fan system in the winter during the warmest time of the day for several minutes to remove any odors, pet dander, smoke or any foul smells.

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