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Trident Pro X

Our Trident Pro X Series is the powerful Whole House Fan that is ideal for any home in need of maximum airflow. With our patented design, robust aiflow, and reliable production, you can experience supreme cooling.

Stealth Pro X

Our Stealth Pro X Series is the efficient Whole House Fan that mastered low cost cooling with powerful results. With our sleek design, patented technology, and reliable production, you can utilize an ultra-energy efficient motor to keep your home cool and your money saved.

Roof Mount WHF

The Roof Mount Whole House Fan Series is our newest and most exciting line of whole house fans. With multiple applications, you can now experience all the benefits and savings of our fans in homes with with little to no attic space.

Why Owning A Whole House Fan is Worth It

There are many benefits that whole house fans bring to homeowners. 

whole house fan cooling a home

example of a whole house fan in the attic

Ways to Ensure a Fans Effectiveness

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.

Ways to Ensure a Fans Effectiveness

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.

recommended cfm for whole house fans

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.

how to use a whole house 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.

Savings and ROI of a whole house fan

According to the United Stated Department of Energy, whole house fans are the most cost-effective way to cool your home. UCLA states that whole house fans can eliminate A/C usage in 10 of the 16 climate zones in California.

While these two major research organizations praising the benefits, whole house fans are being recognized in the new home construction industry as one of the best products that can be installed in a home. With a whole house fan, builders are using smaller solar systems, better rated insulation, and a whole house fan to reach a net zero home.

A Net Zero home is a home that creates the same amount of energy as it uses, meaning its load is effectively zero on the electricity grid. The goal for California is to get to Net Zero home construction by 2024. Since A/C makes up between 60 to 80% of homeowners utility bills, a whole house fan is one of the best ways to get to a Net Zero home cost effectively.

The average home uses between 1200 to 3000 hours of A/C usage, depending on the climate zone in which the house is located in. With a whole house fan saving up to 90% on A/C usage, homeowners are able to achieve an average return on investment between 1 and 3 year, or better put, one of the fastest ROIs available for green energy products.

typical savings with a whole house fan

Savings and ROI of a whole house fan

According to the United Stated Department of Energy, whole house fans are the most cost-effective way to cool your home. UCLA states that whole house fans can eliminate A/C usage in 10 of the 16 climate zones in California.

While these two major research organizations praising the benefits, whole house fans are being recognized in the new home construction industry as one of the best products that can be installed in a home. With a whole house fan, builders are using smaller solar systems, better rated insulation, and a whole house fan to reach a net zero home.

A Net Zero home is a home that creates the same amount of energy as it uses, meaning its load is effectively zero on the electricity grid. The goal for California is to get to Net Zero home construction by 2024. Since A/C makes up between 60 to 80% of homeowners utility bills, a whole house fan is one of the best ways to get to a Net Zero home cost effectively.

The average home uses between 1200 to 3000 hours of A/C usage, depending on the climate zone in which the house is located in. With a whole house fan saving up to 90% on A/C usage, homeowners are able to achieve an average return on investment between 1 and 3 year, or better put, one of the fastest ROIs available for green energy products.

new!

Roof Mount Whole House Fans

The Roof Mount Whole House Fan Series is our newest and most exciting line of whole house fans. With multiple applications, you can now experience all the benefits and savings of our fans in homes with with little to no attic space.

a roof mount whole house fan

new!

Roof Mount Whole House Fans

The Roof Mount Whole House Fan Series is our newest and most exciting line of whole house fans. With multiple applications, you can now experience all the benefits and savings of our fans with little to no attic space.

Improving your home’s Indoor Air Quality

 

With new viruses emerging 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 have many benefits besides just cooling the home and help reducing electricity costs. They help to greatly improve the indoor air quality of a home by exhausting and ventilating the hot, stuffy and polluted air that is inside the home. Many homeowners think that the air outside is dusty and dirty and oppose to opening their windows, however, according to the American Lung Association, the air inside the home is up to 2 to 5 times more polluted than the outdoor air. This is due to the chemicals that are used in the home, pet dander, germs, allergens, etc.

This means that when a homeowner is running their whole house fan, they are getting rid of the polluted air inside their home and replacing it with cool, fresh outdoor air. Many customers state that their allergies went away when they installed the whole house fan!

kitchen indoor air quality

Improving your home’s Indoor Air Quality

 

With new viruses emerging 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 have many benefits besides just cooling the home and help reducing electricity costs. They help to greatly improve the indoor air quality of a home by exhausting and ventilating the hot, stuffy and polluted air that is inside the home. Many homeowners think that the air outside is dusty and dirty and oppose to opening their windows, however, according to the American Lung Association, the air inside the home is up to 2 to 5 times more polluted than the outdoor air. This is due to the chemicals that are used in the home, pet dander, germs, allergens, etc.

This means that when a homeowner is running their whole house fan, they are getting rid of the polluted air inside their home and replacing it with cool, fresh outdoor air. Many customers state that their allergies went away when they installed the whole house fan!

Experience a More Comfortable Way to Live

Being comfortable in your own home is essential. This is why our products ensure you can experience a relaxing breeze, whenever you need it.

Simply turn your Whole House Fan on and experience a natural, cool breeze in the matter of seconds. This creates an active breeze across you home making you feel instantly 5 to 10 degrees cooler.

During the summer months it can get really hot upstairs in a 2 or 3 story home. Sometime not even an air conditioning can cool off the upstairs of a home on a hot summer day. Whole house fans are the best way to cool a hot upstairs and allow you to stop having those hot sleepless nights.

family enjoys cool clean air

Experience a More Comfortable Way to Live

Being comfortable in your own home is essential. This is why our products ensure you can experience a relaxing breeze, whenever you need it.

Simply turn your Whole House Fan on and experience a natural, cool breeze in the matter of seconds. This creates an active breeze across you home making you feel instantly 5 to 10 degrees cooler.

During the summer months it can get really hot upstairs in a 2 or 3 story home. Sometime not even an air conditioning can cool off the upstairs of a home on a hot summer day. Whole house fans are the best way to cool a hot upstairs and allow you to stop having those hot sleepless nights.

Difference between Whole House Fans and Attic Fans

There is a lot of confusion about the difference between an attic fan and a whole house fan. They’re very different products but they work in tandem to cool and ventilate your home during the day and night. During the 1960s, when whole house fans were invented, they were very popular in the south and people called them attic fans. This is what has caused the confusion today.

A whole house fan is used for cooling both the home and attic. You typically run them during the evening through into the early morning – basically any time it is cooler outside. This cools, ventilates, and exhausts all the hot, stale air in your home and attic. You would never run your whole house fan during the middle of the day when it is the warmest. This is where an attic fan comes in.

Attic fans ventilate and exhaust your attic only. You use them primarily during the day but they work well in the evening and night as well. Attic fans pull air from the outside through existing vents in your attic. This allows your attic to stay within 10ºF of the outside temperature at all times when the fan is running. Without an attic fan, your attic can get up to 150ºF during the summer, which can ruin the integrity of your home and cause high electric bills.

Even during the winter months, homeowners can use an attic fan. In the winter, moisture and mold can build up due to the air in the home being very warm versus the air in the attic being very cold. The snow on the roof then becomes ice and holds the excess water. This is called ice damming and it is what creates mold, mildew, and premature roof rotting. With an attic fan, the constant flow of air in the attic lowers the overall humidity level and helps keep the attic healthy.

The best system combines an attic fan and a whole house fan to cool, ventilate, and exhaust the entire home, day and night, and year-round.

example of a whole house fan in an attic

Difference between Whole House Fans and Attic Fans

There is a lot of confusion about the difference between an attic fan and a whole house fan. They’re very different products but they work in tandem to cool and ventilate your home during the day and night. During the 1960s, when whole house fans were invented, they were very popular in the south and people called them attic fans. This is what has caused the confusion today.

A whole house fan is used for cooling both the home and attic. You typically run them during the evening through into the early morning – basically any time it is cooler outside. This cools, ventilates, and exhausts all the hot, stale air in your home and attic. You would never run your whole house fan during the middle of the day when it is the warmest. This is where an attic fan comes in.

Attic fans ventilate and exhaust your attic only. You use them primarily during the day but they work well in the evening and night as well. Attic fans pull air from the outside through existing vents in your attic. This allows your attic to stay within 10ºF of the outside temperature at all times when the fan is running. Without an attic fan, your attic can get up to 150ºF during the summer, which can ruin the integrity of your home and cause high electric bills.

Even during the winter months, homeowners can use an attic fan. In the winter, moisture and mold can build up due to the air in the home being very warm versus the air in the attic being very cold. The snow on the roof then becomes ice and holds the excess water. This is called ice damming and it is what creates mold, mildew, and premature roof rotting. With an attic fan, the constant flow of air in the attic lowers the overall humidity level and helps keep the attic healthy.

The best system combines an attic fan and a whole house fan to cool, ventilate, and exhaust the entire home, day and night, and year-round.

Difference between Whole House Fans and Air Conditioning

A whole house fan can cool your home, just like an air conditioning system, but in a completely different way. A/C systems work well but is much more expensive to install and is the single most expensive appliance to run in your home causing higher energy bills during the warmer months of the year.

Central A/C works by pulling the air that is inside your home through a condenser to cool the air down and pushes it out the A/C vents in your home. This is a closed loop system that offers no indoor air quality benefits as it is just recycling the existing air in your home.

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

With a whole house fan, you simply open a window when it is cooler outside than it is inside and turn the fan on. This will bring the cool air in and exhaust the hot air out.

The only advantage with an A/C system is that you can run an A/C system regardless of how warm it is outside whereas a whole house fan you should only run it when it’s cooler outside during the warmer months of the year.

open windows when using a whole house fan

Difference between Whole House Fans and Air Conditioning

A whole house fan can cool your home, just like an air conditioning system, but in a completely different way. A/C systems work well but is much more expensive to install and is the single most expensive appliance to run in your home causing higher energy bills during the warmer months of the year.

Central A/C works by pulling the air that is inside your home through a condenser to cool the air down and pushes it out the A/C vents in your home. This is a closed loop system that offers no indoor air quality benefits as it is just recycling the existing air in your home.

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

With a whole house fan, you simply open a window when it is cooler outside than it is inside and turn the fan on. This will bring the cool air in and exhaust the hot air out.

The only advantage with an A/C system is that you can run an A/C system regardless of how warm it is outside whereas a whole house fan you should only run it when it’s cooler outside during the warmer months of the year.

ac vs whf savings

Cost of Whole House Fans vs Air Conditioning

Depending on the size of the whole house fan you are installing, you can expect to pay between $500 to $3000 installed. The pricing varies based on the type of whole house fan, the sizing requirements, and the motor type.

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

As well, many homeowners are choosing to install a whole house fan if their A/C breaks and are in need of A/C repair. A/C repair can be extremely expensive.

The climate in which you live in is the main factor that will dictate if you should install a central air conditioning system or a whole house fan. Some climates will still need to use A/C, even with a whole house fan, while other climates can completely eliminate their A/C usage.

Cost of Whole House Fans vs Air Conditioning

Depending on the size of the whole house fan you are installing, you can expect to pay between $500 to $3000 installed. The pricing varies based on the type of whole house fan, the sizing requirements, and the motor type.

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

As well, many homeowners are choosing to install a whole house fan if their A/C breaks and are in need of A/C repair. A/C repair can be extremely expensive.

The climate in which you live in is the main factor that will dictate if you should install a central air conditioning system or a whole house fan. Some climates will still need to use A/C, even with a whole house fan, while other climates can completely eliminate their A/C usage.

Whole House Fan Climate Zone Map

Whole House Fan Climate Zone Map

whole house fan climate zone map

Climate Zone 1

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.

Climate Zone 2

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.

Climate Zone 3

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.

Climate Zone 4

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.

Climate Zone 5

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. 

Climate Zone 6

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.

Climate Zone 7

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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