Whole house fans will keep you and your home cool at a fraction of the cost of air conditioning. The whole house fan pulls the warm air from the living rooms into the attic, and fresh air is drawn in through open doors and windows. Both types include a heat exchanger, one or more fans to push air through the machine, and controls. Direct Drive Whole-House Fan is a smart energy saver for any home in a climate where air conditioning costs are a concern. Fans can't match the raw cooling power of air conditioning units, especially in warm climates, but the air circulation provided by ceiling fans or a whole house fan can make a house feel substantially cooler for a fraction of the energy cost of a central AC unit. These clever fans are capable of providing between 30 and 60 air changes within your home each hour. Exact energy amounts vary based on the size of the fan’s motor, but most whole-house fans use between 120 and 600 watts, according to the National Renewable Energy Laboratory—but this is still much less energy than a central air-conditioner uses. But no longer. Fresh air is drawn in through your open windows and circulated throughout the home by a whole house fan. Looking for a Pro? It was a fairly inexpensive method of cooling homes using cooler nighttime air. By contrast, only 47% of U.S. homes had AC in 1973.Admittedly, I’ve become a bit spoiled when it comes to air conditioning. This is because the hot air is literally removed and replaced with cooler air from the outside, while air conditioners cool down the air in the home. We walk you through the pros and cons and help you choose the best option for your home. A whole house fan is capable of cooling down a hot home faster than an air conditioning system. Direct The GAF Master Flow 4500 CFM 24 in. Compared to an air conditioning unit, whole house fans are much less expensive to operate, more environmentally friendly, and more efficient at cooling. To keep your whole house fan clean and smooth-running, just wipe the blades occasionally (shut off the power before doing so, please). You switch on this fan at the end of the day, as the outside air drops below the indoor temperature. What Does the End of Daylight Saving Time Mean for Solar? Designed to exhaust hot air from the attic, powered attic ventilators often pull conditioned air up from the lower stories (where you want it) to the attic (where you don’t). According to the International Association of Certified Home Inspectors, the expected lifespan of a whole house fan is 15-25 years, compared to 7-15 years for central A/C. Air conditioning is energy-intensive. Draws cool air through the window 6. 4500 CFM 24 in. Call us at (866) 441-6648, Get quotes from qualified local contractors, Cut A/C Costs with a Programmable Thermostat. On average, an attic fan uses an impressive 90 percent less power than an A/C system to cool a home, meaning that your utility bills are likely to be significantly lower. Attic Fan vs Whole House Fan. AC Not Cooling? In most parts of the country (including Colorado), and during most parts of the year, a whole house fan can adequately substitute for an A/C system and provide a lovely living environment. Attic fans, which may be better known, only focus on pushing the hot air within your attic to the outside. Even when you're running your air conditioner? A whole house fan is typically placed inside the attic floor of your home, but it is not an attic fan. Start cooling your home more strategically and cost-effectively. Compared to an air conditioning unit, whole house fans are much less expensive to operate, more environmentally friendly, and more efficient at cooling. That air is then exhausted through the attic and out of the roof. Efficient in cooler times of the day 3. Can cause heat lossin winter 4. We are here to answer any questions homeowners may have about home insulation, energy audits, and solar power. The fan draws cool outdoor air into the house and exhausts hot indoor air via the attic vents. The first whole house fan I got for my home was a QuietCool whole house fan. Here we will demonstrate the pros and cons of a whole house fan. An air conditioner can be a window unit, portable ac or a ducted air conditioning system (or HVAC). Depending on your climate and usage preferences, you can substantially reduce or even eliminate air conditioning, saving 50-90% on your home cooling energy use. I was drawn to it because as an HVAC technician, I liked the idea of attaching a flexible duct to the grille that you see in the hallway and placing the fan on the other side of the 10 ft duct. In addition, your A/C system provides a dehumidification component, which helps your house feel cooler. As well, there’s a risk of backdrafting fuel-combustion appliances like gas-powered water heaters or wood stoves. These devices have proved so energy-inefficient and potentially dangerous they’re actually banned in the state of Georgia! In most parts of the country (including Colorado), and during most parts of the year, a whole house fan can adequately substitute for an A/C system and provide a lovely living environment. A time-tested cooling solution that uses 90% less energy than your air conditioner. With a window air conditioner, a lot of the noise escapes outside so won't bother you at all. Whole house fans, however, pull hot air out from inside your home and then replace it with cooler air from outside. Give us a call and take your next step into 21st century living today. Cools a house in one hour 4. Compared to a complete air conditioning system, whole … Definitions of whole house fan vs. attic fan vary by region, causing some confusion. Whole House Fan Weaknesses On the flip-side of the equation, you probably won’t be able to benefit from using a whole house fan during the hottest hours of the day. The attic fan’s impact is limited because the only air it circulates out is located above your insulation, and it doesn’t bring new air in. A drier space also means fewer indoor allergens and healthier air. First, a quick primer on whole house/attic fan operation. This results in year-round ventilation, lower electricity costs, and improved indoor air quality. The whole house fan begins by drawing air in through windows. In today’s exciting world of home energy innovation, there are so many changes people can affordably make to boost their quality of life and trim their monthly budgets. Here are some tips for choosing a good whole house fan and using it properly. Time to rev up the air conditioning units. With newer models that are well made and a proper installation, you shouldn't have to deal with most of the following cons of whole house fans. Posted by TLC - July 6, 2018 - Air Conditioning. Attic fans are designed to run on hot sunny days to clear super-heated air from your attic. Talk to a local HVAC pro about optimizing attic fan use in your area. You do not have to leave your fan on all day, as is recommended for your A/C (although the A/C can be set at a higher temperature when you’ll be away from house more than several hours). Air Conditioner vs Whole House Fan While an air conditioner and whole house fan both serve to cool your home, they work in very different ways. When the conditions are right, whole house fans are an energy-efficient alternative to central air conditioning systems. Your home stays delightfully cool all summer, and at a fraction of the cost. Whole house cooling using a whole house fan can substitute for an air conditioner most of the year in most climates. Even during hot summers, many families with a whole house fan and no A/C say they are quite comfortable. Whole house fans can also be faster for cooling a hot home than most air conditioners. Unlike a ventilation fan, a whole-house fan — an attic-mounted fan that exhausts air from a home at night — is designed to cool a house (that is, to lower the indoor temperature). Air conditioning functions independently of the air temperature. Here at REenergizeCO, we’re obsessed with bold new ideas that help homeowners and businesses cut down on their energy costs. By cutting off your air conditioning at night and allowing the whole house fan to run instead, you’ll cool your home considerably, and those benefits extend well into the next day. I have a very hard time sleeping comfortably unless it’s about 72 degrees or less. Poor choice forallergy sufferers 2. What to Look For in a Colorado Solar Energy Company. Learn more about our low pricing for these services here. The evening air cools the house off fast. So even on hot days when you really want the A/C, you won’t need to turn it on until late afternoon “  and then you turn it off again just a few hours later! To begin, a powerful fan is installed, usually in the attic (surprise, surprise), over a grille in the floor at your house’s approximate center. Fan vs AC: Cooling Power A whole house fan is capable of cooling down a hot home faster than an air conditioning system. of Energy, about 87% of U.S. homes have air conditioning. Quite honestly, whole house fans were in vogue many years before air conditioning was common in personal residences. However, unlike those types of fans, a whole house fan is more like your AC system in that it uses a ventilation and duct system to bring cool air from outside to the entire house. For added comfort during those warmer months, it helps to use ceiling fans and circulating fans (such as in-room floor fans). The Department of Energy notes that “Whole house fans can be noisy, especially if improperly installed.” Choosing a licensed contractor is the smart choice to avoid the downside of a job done incorrectly. QuietCool Fans. Let’s compare attic fan vs AC cooling so you can make an informed choice. A DC fan – as opposed to an AC fan running directly on the 110-volt alternating current coming out of your wall outlet – is extremely efficient and … Video of the Day Volume 0% Summer is here. Learn More About Our Whole-House Dehumidification Services. Before you rush out to buy a whole house fan, be aware of several disadvantages. Whole house fans entered the market about 50 years ago and have been greatly improved by manufacturers like Comfort Cool Fans. Pros: 1. When the outside air warms up in the morning, turn off the fan and close the windows to keep in the cool. Or is it?Americans are addicted to AC. 5. This helps cool the home and attic by up to 30 degrees, and sometimes more, allowing them to stay much cooler the following day (the principle of Thermal Mass Cooling). We’re happy to visit your home and help you decide if a whole house fan might make a difference for your family. Having a whole house fan in your home is a great way to cool it off year-round, without having to worry about high costs of running a central air conditioner. Increase the home resale value 2. Below, we’ll look at how these fans work, how they compare to other cooling options, and why it often makes sense to incorporate a whole house fan even if you already have an A/C system you like. They are often installed between an attic and the living space below, even though not all homes that use whole house fans have attics at all. We find that many of our clients aren’t ready to say goodbye to air conditioning altogether, but they do want to cut those summer cooling costs. This is a self-contained duct system that is compact and doesn’t take up… A whole house fan is a large fan that, when properly implemented, can cool your home significantly during the summer without the need of much modern air conditioning. In fact, any time when the outside temperature is cooler than the temperature inside your home, you can benefit from the use of whole house fans while using 90 percent less energy than you would with an air conditioner. Summer in Atlanta is humid, but a whole-house dehumidifier removes excess moisture when your AC can't keep up! After having a whole house fan installed, though, it’s important to use it correctly, or it won’t be as effective as it otherwise could be. There are some small wall- or window-mounted models, but the majority are central, whole-house ventilation systems with their own duct system or shared ductwork. Energy-efficient whole-house fans. 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