This type of fan is installed in the ceiling, and louvers open when the fan is turned on. How Whole House Fans Work. The Best Whole House Fans to Keep You and Your Family Cool. A whole house fan is found in the highest level of a house, commonly in the ceiling that separates the home from the attic, and in the center of the house. Use Your Home's Filter, Don't BE the Filter. This means you should only run the whole house fan when the temperature outside is lower than the house's inside temperature. The benefits of using a whole house fan can outweigh the costs of electricity. By comparison, electricity is used for an air conditioner that has 2 to 5,000 watts and 200-700 watts for a whole house fan. Standard fan. The goal is to cool your entire house down, not just the air. Turn ON the whole house fan Flip the switch and run the whole house fan at its highest speed for around half an hour. These fans cost less up front, but installation may be more difficult. If you had to choose between a whole house fan and an attic fan to keep the house cooler, a whole house fan is a better bet. 2 Turn on your whole house fan using the switch or portable remote and timer. The traditional whole-house fan is fairly large and noisier than small fans, but can move between 4,000 and 7,000 cfm of air. 4 Experience complete indoor air exchanges in your home every 3-4 minutes. Newer whole-house fans have a typical flow range between 1,000 and 4000 cfm. Downsides of a Whole House Fan . In many climates, a whole house fan will provide enough cool air for a comfortable home throughout most of the year. Three Types of Whole-House Fans. Report Save. NEW DESIGNS, EASIER INSTALLATION. but if you are using some type of air purification module inside of your ductwork then running the AC fan only is a perfectly good way of getting a whole house effect of an air purifier. When the outside air temperature is cooler than inside your home or attic, do the following: 1 Open a few windows 4-6 inches. Running your whole house fan also gives you superior circulation of air. Consider installing a whole-house fan system. Customer satisfaction is our first priority. Once the home is cool enough you can change the speed to a lower setting to reduce the fan's energy consumption. Whole house fans should provide houses with 30 to 60 air changes per hour (varies with climate, floor plan, etc.—check with a professional to determine . Using special equipment (and a whole lot of specialized training! 1. So the attic stairs must be insulated and closed before starting a whole house fan. Be sure the contractor installs the fan with rubber or felt gaskets to dampen noise. This usually happens in the evenings, at night, or early in the morning. If I were to take the existing old switch out of the wall and look at it in the same position as it sits in the wall, I would see 6 screw terminals (3 rows and 2 columns of screws) Rough opening- 26 inch x 28 inch. A whole-house fan costs $600 to $2,300 installed on average. The traditional or older style whole-house fan is very large and extremely noisy but can move between 5,000 and 7,000 cfm (cubic feet of air per minute). Getting the right whole house fan for your needs can bring you plenty of benefits so it is definitely worth the time to get informed. Whole-house attic fan prices alone are $300 to $1,500, depending on the size and type. By now, you may be convinced that a whole house fan is a better option to cool your home. 2 Turn on your whole house fan using the switch or portable remote and timer. Select the whole house fan that has the capacity to operate over the area of your attic. Whole House fans have been study by a ton of different sources that say it is the most cost effective way to cool your home. As long as the outside is cooler than the inside, you should feel a difference in the interior temperature. It is similar to a common bath exhaust fan, but is required to meet more stringent requirements for air flow and sound control. In fact, you should not use an AC at the same time as a whole house fan, because the cool air from the air conditioner . Bug screens are a must of course. Whole house fan Your house has been equipped with a whole house exhaust fan. Also, you must consider the spacing between your attic joists. What people love about these fans is the pressure they take off of your HVAC system. Since whole-house fans cool the house by replacing it with outside air, they are effective only if the outside air is cooler. 4,500 to 6,900 cfm. Avoid using whole-house fans if air pollution outside is high. When the outside air temperature is cooler than inside your home or attic, do the following: 1 Open a few windows 4-6 inches. The air being drawn up by the whole-house fan needs to be discharged somewhere, and you want that process to move smoothly. When should you use a whole house fan? It takes time to pull the heat out of the sheetrock, structure and contents of a house. Install two 2 x 10 boards as a frame for the fan between joists. By comparison, electricity is used for an air conditioner that has 2 to 5,000 watts and 200-700 watts for a whole house fan. Should the fan be on when the AC is on? The benefits of using a whole house fan can outweigh the costs of electricity. When operated during summer mornings, evenings, or nights, there is usually no need for other air conditioning. Example: a 2' X 2' opening for a fan results in 4 sq Ft. You should remember, though, that your decision should depend primarily on where you live. Whole house fans have the most savings, but you can save even more by using an attic fan and a whole house fan together. Conclusion. You can set a multi-speed fan to a lower speed when noise is a problem. In this type of climate, the whole-house fan will simply circulate warm, humid air throughout your house, resulting in an uncomfortable night's sleep. Compared to the cost of running an average AC system at $0.25 to $0.88 per hour, this makes a whole-house fan During the winter, most homes become stale as people do not open their windows to let new and fresh air in. An experimental study was carried out during the summer to investigate the natural cooling potential of use of a whole house fan in Central Florida's hot and humid climate. The fan is controlled by its own switch and usually run during the coolest part of the day, typically at night or early in the morning. Ensure that the home has at least 1.5 times the area for discharge as the opening you cut into the ceiling for the fan. ($200 to $450) Because they're the most affordable and widely available, large-diameter fans are still a good solution for homeowners living in warmer regions. A whole-house fan typically costs between $0.01 and $0.05 per hour to run, depending on where you live. Figure 2: Whole House Fan The cost of an entire house's air conditioner is 90% greater than the cost of half. Using this method, you may get rid of any stale, heated air that has accumulated from the previous night. The biggest attraction of a whole-house fan is its comparatively low operating costs. This whole house fan comes with a warranty of 12 months. More Related Articles: The relatively low humidity and cool evenings in the Northern, Northwestern and high-mountain desert areas of the West and Southwest are also appropriate. You will note a significant dip in power utility bills if you start using the whole house fan over traditional ACs. This whole house fan comes with a warranty of 12 months. The whole house fan is on a 20 amp circuit -as per my check of the circuit box in the basement. It may be locat-ed in the bathroom, a laundry area, or in the hallway (see Figure 2.) Note: The whole house fan plays a significant role in preventing the heat from the attic spreading to the living room or the entire house at large. As we all know, winters can be mild or frigid from year to year, so there is no hard rule on when you should stop or start using a whole house fan and when you close the windows for the season. CFM describes the volume of air that the fan can move, and the square footage of your living space determines the CFM your fan should have: 2,000 CFM whole house fans are suitable for smaller . It typically uses just one-tenth the energy of air conditioning, which means drastically lower energy bills for the typical residence. However, whole house fans are designed to handle large amounts of air, so it's better to vent the fan into the attic rather than directly out an enormous vent in the roof or gables. By keeping the top of your house cooler in the summer and your insulation dry in the winter, it can reduce your need for an AC or heating to go into overdrive. They retained the heat from the day before and the temps in those spaces could be well . These fans are installed in your attic and are designed to pull air from an open window, through the attic and out. whole-house fans are designed to run all night and into the early hours of the morning. It is similar to a common bath exhaust fan, but is required to meet more stringent requirements for air flow and sound control. Benefits . Only use your fan when the outdoor air is cooler than your indoor air. 2 Turn on your whole house fan using the switch or portable remote and timer. Whole house fan Your house has been equipped with a whole house exhaust fan. You can see that you will make up the cost of the system in no time. If you live in the West (dry, cool nights), a whole house fan makes a lot of sense but in most other climates you would use it in conjunction with AC. For example, if your bill is $150 for a month, using a whole house fan will allow you to save up to $135 a month! A whole-house fan is effective whenever the outside temperature is lower than the indoor temperature, which is usually in the evenings and at night. Depending on where you live, a whole house fan can be an economical and green way to cool your home in the summer. 3 Feel the nice, cool breeze as air passes through to the attic and fresh air replaces stale, trapped air. There are specific times where using a whole house fan will be the most effective. But a whole house fan turns from energy-saver to an energy-waster during heating and air conditioning months . The whole house fan would pull cooler air from the house into the attic, which would then be pulled from the attic to the outside by the attic fan- cooling the house even further. It features a powder coated finish for weather resistance. When to Use a Whole House Fan. This type of fan is installed in the ceiling, and louvers open when the fan is turned on. Do Whole House Fans Use A Lot Of Electricity? Whole-House Fan Installation Costs at a Glance. If you live in a climate like this, you could use a combination of a whole-house fan for cool, dry nights and an air conditioner for those hot, humid nights. Consider using room-size air cleaners in rooms that are not easily ventilated. It does bring the outdoors indoors, for better or worse. We recommend running the whole house fan all night. Before the advent of vapor compression air conditioning, the use of whole house fans was a popular means to enhancing natural ventilation to achieve greater comfort in hotRead the Rest → The cost of an entire house's air conditioner is 90% greater than the cost of half. The fan cools a house by using the temperature difference between the inside and outside air, and can never make the temperature lower than that of the outside air. How To Use A Whole House Fan. Make sure your A/C is off when you run the fan to avoid wasting energy. This is especially seen in the QA-Deluxe 4800(W) that uses 662 W versus the Air King 9166F that uses about a fifth of that power. Whole house fans are one of the best products you can add in your home from a cooling, comfort and indoor air quality perspective. So, if 1) you are buying a home with an old whole house fan that is still functional and, 2) you enjoy opening up the house during cool and moderately warm weather, then definitely keep it and use it until the high humidity days arrive. However, when you use these fans, several considerations must be taken to best benefit from their usage. It's summertime, it's hot and you're running your air conditioner 24/7. Unlike the attic fan that many of our homes were equipped with that come on thermostatically and suck air in through gable and soffit . 4. Unlike air conditioning, which you can use any time day or night, this isn't the case with a whole house fan. In general, a large-capacity fan running at low speed makes less noise than a small fan operating at high speed. With a whole house fan cool night-time air is pulled in, while stale warm indoor air is pushed out. 3 Feel the nice, cool breeze as air passes through to the attic and fresh air replaces stale, trapped air. Things to look for when buying a whole house fan. So using the blower fan on an AC does not equate to using a regular fan. If you live in an area that is hot during the day but cooler in the evenings and at night, a whole house fan system costs somewhere between 10-20% less than an air conditioner costs, this could save you hundreds on your energy bills at the height of the summer. Although problems are very infrequent, we will do whatever takes to make sure the . Condensation is what you watch for, cool roof, moist warm air. Whole-house fans require an opening between the living space and the attic, but that opening can allow cold air . If you want to remodel, do it during temperate months of the year so you can use natural ventilation. It may be locat-ed in the bathroom, a laundry area, or in the hallway (see Figure 2.) Whole-house fans are typically used to provide cooling by pulling air through open windows and doors and exhausting it through the roof. • If you do have air conditioning, the fan will suffice on all but the hottest days, reducing energy costs. Although you may think, why would I use my whole house fan when my home is already cool from running the air conditioner, the reason is quite simple. Considerations When Using a Whole House Fan. It provides good attic ventilation in addition to whole house cooling. The best times to operate a whole house fan are the early mornings, evenings, and nights. Hence, you should keep few windows open before turning on your whole house fan. If you never bought a whole house fan, you should know what to look for in the process of getting one. Whole house fans also do well in places with low humidity. Click to see full answer. Keep your whole home cool at a fraction of the cost of running your AC. How do you use a whole house fan? Best time to run whole house fan: You should run a whole house fan to make your home more pleasant whenever the temperature outside is more comfortable than the temperature inside. To install a whole house fan in your home, it is estimated that you will use between $1,200 and $1,800. • If you don't have air conditioning, a whole-house fan creates a cooling indoor breeze. Typically, people who live in areas that get hot during the day and cooler at night often turn their whole house fans on once the temperature outside gets below 70°F. A whole-house fan is a different story. On the hottest and most humid weeks, it will be difficult to get the comfort level you desire, but in moderate climates, you should consider a whole-house fan. It will cost 90% less to run a whole house fan than the central air. Quick Cooling With Fresh Air - Let's start with the basic concept of how a Whole House Fan works. Compare to central AC: $5,650-$7,500. Our assessment is like a doctor's physical, but for your home. Getting the right whole house fan for your needs can bring you plenty of benefits so it is definitely worth the time to get informed. Most home have attic joists that have a center-to-center spacing of 16 or 24 inches. Whole House Fan vs. Attic Fan Essentially, you can use your AC unit and your whole house fan together. Humidity here makea your humidity look arid. Total cost: $600-$1,200. Whole House Fans are Easy to Install. Since a whole house fan needs open vents, you should also be comfortable having your windows open when it's in operation. Often this type of deal becomes low-priced or even under $100. 2. Unlike an air conditioner, using a whole house fan is not a set-it-and-forget-it operation. The Best Whole House Fan Reviews saves money . When operated as intended, with open windows, these devices produce substantial increases in ventilation with outdoor air throughout a house. As a result, cool air is pulled in, and the leftover hot air from the daytime is pulled out. ), we identify opportunities to reduce energy use, optimize HVAC performance, and improve indoor air quality. As a result, homes with whole house fans are often very desirable to prospective buyers. A whole house fan works on an air change rate which is a measure of the air volume that's being added or removed from a house, then divided by the volume of the actual space. On the high end, installing a whole-house fan can cost you between $2,000 and $2,700, including labor. Even though the temperature inside the home may be cool, the temperature in the attic and walls are not. Whole-house fan cost. When it comes to these specific types of fans, they should be operating at 30 to 60 changes per hour to be effective. Remove plywood and insulation from installation area, which should ideally be in a central hallway. Before using a whole house fan make sure that the temperature outside is lower than the temperature inside the house. Then, on the sunny side of your house, close all of the windows, doors, and blinds. Secure with nails. When you use a whole house fan, the entire house can be effectively cooled down by drawing in air from the outside. However, the different models of whole house fans also have different power consumption needs. A whole house fan uses 200-700 watts while an air conditioner uses 2,000-5,000 watts. They work when the outside temperature is lower than the inside temperature by drawing in the outside cool air from open windows and or doors sending the warm air up and out of the attic. A: For our CentricAir whole house fans, Comfort Cool guarantees the fan motor for 15 years from the date of purchase against defects or failures under use as instructed in the user's manual.All the other components such as switches have a one-year parts warranty. It's the best affordable, inexpensive, budget-friendly product with a wide range of qualities. Dec 21, 2021 Staff, Courtesy of Cool Attic . Whole house fans can be noisy, especially if improperly installed. Get a Proper Balance of Air Flow When using the whole house fan, you need to have a good balance of airflow. Every central duct system should include some sort of filtration option, such as an air filter or electronic air cleaner. Using Both Fans Together. Let me describe the existing wiring. However, if the air outdoors is cooler than the air indoors, it doesn't make a whole lot of sense to turn your air conditioning system on. WHOLE HOUSE FAN: The cool attic 24 in. Multiply the number of square feet of the floor area you want to cool by the room height from floor to . Among them, it is most important to not use the fan when it is a high-humid day. There are a few space considerations to keep in mind. By Alex Rennie. Here are 5 key things that make a Whole House Fan an effective and economical ventilation solution: 1. ft. attics. Low-end costs can range from $700 to $950, and this also includes the labor. Whole house fans work best in climates where days are hot but the evenings and early mornings are cool. Yes. 3 Feel the nice, cool breeze as air passes through to the attic and fresh air replaces stale, trapped air. Use a whole-house fan for at least 10 minutes first thing in the morning to circulate a cool air throughout the home and into your attic for optimum benefits. Using a whole . How To Use Your Whole House Fan 1 Open a few windows 4-6 inches. Calculate the appropriate size of a whole-house fan needed to properly ventilate your home. But soon enough, the electric bill comes, and it's a lot higher than usual. A whole house fan is best suited in homes with at least one square foot of net-free area for every 750 CFM (cubic feet/minute) of fan airflow. Do Whole House Fans Use A Lot Of Electricity? If you're on a budget and finding a good deal, this product is the recommended choice! Depending on the square footage of your house, there are different types of whole house fans you can choose from. It offers an efficient way to reduce cooling costs, while keeping your whole house more comfortable. You should also only use your whole house fan when the outdoor air is cooler than the air in your house. Things to look for when buying a whole house fan. You may be able to have the best of both worlds if you use a whole house fan to bring in fresh air while pairing it with either an indoor air purifier, Pollentec nano screens (which keep out 99.9% of pollutants), or both. Perform a Whole Home Assessment. Whole House Fans: When these things aren't working well enough and you want a simple fix for the problem a Whole House Fan may be the answer.Whole House Fan are common the the mid west and south and they are starting to making an appearance here in Idaho. An air conditioner can use up to 3000watts power if you compare with a whole house fan, which uses 70 to 300 watts, thus, using 10% or so energy less. If you have decided that a whole-house fan is right for your climate, floor plan, and all other considerations, then, by all means, run the fan anytime the air outside is cooler than inside your house, including all night. Reduce carpeting in your home and limit it to dry areas where it will stay dirt at all time. Whole house fans are sized to fit between the joists of your attic. Best for those who live in cooler climates with low humidity, whole house fans . Be sure to leave a little bit of "wiggle room" for the fan. Whole house fans can be used to cut energy costs from using traditional air conditioning by up to 90%. Make sure windows are open in your house to allow the fan to bring air in from outside. Whole-house fan installation cost - chart. A/C can make up 60-80% of your utility bill during the warmer months of the year. Figure 2: Whole House Fan Whole-house fan installation costs $300 to $800 in labor when using existing wiring or $600 to $1,600 with a new circuit and switch. You get shocked and start thinking of ways you can lower the bill. Whole house fans get used in the spring or fall, unless its cool late in the southern nights. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. So you may be wondering why you should bother installing these fans if it's not required. The use during these months, however, will change depending on where you live, as well as the type of winter. If you're not running your system's fan often, you're missing out on a lot of the benefits of owning a home with a central duct system: 1. direct drive 2-speed whole house fan is designed for houses with 1, 800 sq. Share. Using a whole house fan during the winter can actually prove to be largely effective in a myriad of ways. All whole house fans should be installed with rubber or felt gaskets to dampen noise. Know When Not to Use the Fan While the whole house fan can be used regularly, nearly year-round, there are some days when you should keep it turned off. If you never bought a whole house fan, you should know what to look for in the process of getting one. How To Use A Whole House Fan. Noise Fan unit: $195-$385. The fan can cool your house off to at least outside temperatures, but no more than that. Should you use a whole house fan in the winter? Newer whole-house fans are available that have a flow range between 1,000 and 3,000 cfm. 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