Are you living somewhere where it gets colder at night than 70 degrees?
In the summer, do you notice that the inside of your house is frequently more humid than the outside?
The best whole house fan will thus save you money from your home energy bills while also increasing your home’s comfort.
The Essential of Proper Home Ventilation
When you are relaxing at home, the airflow that you inhale must be clean and healthful. Many substances, such as mist and fumes from various chemicals, pollute and turn what you’re breathing harmful.
Letting your house draw in fresh air while expelling stale is a good rule of thumb. As a result, having a properly ventilated house is critical. Home ventilation will guarantee that contaminants that are hazardous to one’s health and might cause structural destruction will be released.
Moisture, mold spores, and fungus grow in many non – ventilated homes, causing respiratory-related illnesses. When you live in a chilly and wet environment, you are more susceptible to disease; that is why having a decent home ventilation system is essential. Whole-house fans, by far, are the best way to deal with humidity accumulation.
Are They Effective?
The attic space is ventilated directly to the outside. Some houses have attic insulation, which keeps warm air during the cold seasons and warmth in the attic during the summer. However, chances are, insulation simply delays heat transfer, so your hot attic heats up the entire house in the summer.
They are effective in the way that they circulate significant amounts of air through the home and attic. As long as they are built, fitted, and run appropriately, which necessitates enough attic vents to the outside, open windows in the house, and suitable outdoor weather factors.
One minor but preventable disadvantage is that they are pretty good at boosting the sound levels in the house. This is because they are propeller fans that are entirely open to the indoor environment with no shielding.
You might be surprised to learn that in most cases, it can replace an AC. Yes, it may act alone or in tandem with ceiling fans, may give much-needed heat discharge. It distributes air throughout the home, providing adequate attic ventilation and cooling. It does this by bringing cold air from within into the attic. The warmth is then pushed out of the attic through the vents.
Overall, installing the system can make the house more pleasant in the evenings where the atmosphere is colder.
Our Top Picks
Air King 9166F
This device circulates air in any home or office space and is reversible and equipped with a unique storm guard feature. Available in a range of sizes to fit practically any window. It will be an ideal alternative if turning on your AC most of the time is not in your family’s budget.
With 3500 CPM, it delivers an easy-quick and cost-effective answer to your cooling demands by bringing fresh air inside and exhausting hot, humid stuff outside. It has a 170w working power and three different speeds @ 1600 RPM.
One reviewer said this unit is so great, and quiet, that he bought two of them! We love this one, too!
QuietCool QC ES-4700
This thing moves a lot of volume. The level of performance is both quiet and strong. Most importantly, it is the only WHF model that satisfies the efficiency standards. It exactly fits the level of attic venting availability that regulates via a wink hub and smartphone.
This model is the perfect improvement for a noisy traditional one that makes sleeping difficult due to the loud metal louvers and system sitting. It is exceptionally silent on both high and low settings.
One reviewer raves how they leave it on for 8 hours, with no noise issues. Could you want anything else?
Cool Attic CX1500
This fan on top of the house is the ideal option for drawing hot air out of the attic throughout the summer. It may be installed in a variety of ways for lofts ranging in size from average to large. It works well when air is drawn in through the eaves. Each unit must have at least 600 square inches of intake.
In terms of structure and quality, it’s a low-cost, basic model. Without a doubt, it lowers the home temperature and keeps the second story cool. The benefit, according to some, extends to increasing the shelf life of your roofing material.
QuietCool QC CL-2250
This system is well-made, simple to install, and circulates a lot of air. With a maximum power rating of 250 watts, it consumes a fraction of the electricity of two small window air conditioners. The mechanical installation will only take a few hours without help, from opening the instructions to having an operating system in your attic.
It performs exactly as described and is far quieter than other less priced systems in other people’s houses. On the high-speed setting, the noise level is bearable.
Make sure to check out this model, as one reviewer raved about it’s capabilities in a house that’s even 5,000 square foot.
Options to Consider Before Buying
In the evening, the fan is really effective. It achieves two goals. It pushes out the heated air and draws in the chilly night. Second, it cools the attic by pushing hot air out and allowing your insulation to cool. The heat from the ceiling is effectively reduced as a result of this. When the insulation heats up during the day, it acts as a heated sheath at night, heating up the house until it cools down. Just make sure you have enough ventilation because these move a lot of air.
Central vs zoned system
A single fan large enough to provide enough cool air into your living space is used in a central location in the house. Typically installed at the midpoint of a single-story house. Zoned sections can also be outfitted with multiple units, often smaller ones, as in master bedrooms. You may even keep another one in separate areas, such as the rest of the home. However, this system necessitates individual control
The house fan size
When you appropriately size the fan for any sized home. In that case, you might effectively move the total air volume 15 to 22 times every hour, or approximately one complete exchange every 3 to 4 minutes. The ideal sizing is to ensure a 3 to 1 ventilation ratio. This indicates that 3 CFM are moved for every 1 square foot.
For example, the best 3:1 ratio for a 3300 square foot house is a fan capable of pushing 9900 CFM. You must have at least one that is appropriate for your house, no more, no less. Larger systems are impractical for smaller homes and vice versa. Look for a large one that will run well at a lower speed, this way, you could save energy.
Because the system runs a lot of the time, they must be silent. Belt-drive fans with an inbuilt pulley run more smoothly and quietly than direct-drive. In principle, the more blades, the quieter it is.
Also, ensure that your device has a welded frame to not slacken and start to sound. Use lather layers or rubber struts to keep the fan away from the structure of your home. The rotor vibration will not be heard through the framing.
Shutters of high quality
Self-sealing reinforced shutters on energy-saving units close when it is off, preventing heat from escaping when the device is not in use. The higher the quality of the shutters, the fewer hammering sounds will be produced when it shuts down.
Timer control feature
It is crucial and recommended more than a thermostat since it can turn on the fan even when no one is home. The worst thing, if the fan is regulated by a thermostat, a fire in the hearth may cause it to turn on.
As the fan is positioned remotely, the system is exceptionally silent. It is simple to install and includes insulated self-closing shutters to minimize leakage. This type is a fantastic choice for bedrooms or other living places where silence is crucial.
A large-diameter, energy-efficient model that shuts and seals when not in use.
For homes in warmer climates, this is the best. When open, a boxed-shaped fan with louvers pushes air outside.
Benefits and Differences Between Attics and Whole-house
The distinction between a whole-house and an attic fan varies by area, don’t get confused!
Whole-house fans, in brief, are meant to run after the sun disappears, using cold night air to ventilate and cool your whole living area. On hot, bright days, attic fans are meant to circulate super-heated air from your attic. Both can be beneficial, yet they serve distinct purposes.
Both render similar but not identical functions. While the whole-house fan does push air out of the attic, its true purpose is to bring in fresh, cooler stuff. This is often performed at night or in the evening. This is less effective if it is blazing outside or the humidity level is high. As a result, during humid weather occurs, the system may not be used much.
An attic fan, to compare, serves just to suck hot air out of your attic at the top of the roofline. This can help to lower the temperature of the attic despite the high humidity level on the outside. Some homeowners also use them in the winter to prevent damp accumulation in their attic.
|Draws in cold air from the outdoors.||Reduces the humidity in the attic.|
|Capable of quickly cooling an entire house.||Reduces the amount of heat in your environment.|
|Most effective when the weather is colder.||Very effective during the warmest part of the day and in hot climates.|
|A more energy-efficient alternative to actual cooling units||During the winter, it dehumidifies and avoids heavy ice jams.|
|Increase the property’s value||Simple to install|
|Professional installation is required to enjoy the quality of service||Inexpensive|
What’s more? If your AC unit dies, the fan on top of the house alternative might help you save a significant amount of money on your power bill. When such exhaust fans remove stale or unclean air from the interiors of your home, you will have clean and cool outside air. Most householders are unaware that dirty or low-quality indoor air can create significant health problems for you and your family members.
What is a Fan on Top of the House?
To explain, you must first be aware of two facts regarding your attic. To start, attics are frequently vented to the outside, either beneath the eaves or along the slope of the roof, or either. Secondly, during the summertime, when the sun beats down on those exposed roofing shingles, attics get quite steamy.
A whole-house fan draws air from home into the attic, and because the attic is vented outwards, it pushes warmth outside. While the fan is running, cool stuff from the outside will enter the home through the windows. These are pretty large, heavy-duty models that circulate a large amount of air – may be enough to swap out almost all of the air over your whole house in just a few minutes.
In principle, it does not generate cold by itself, unlike AC units; it just ventilates the home with a strong breeze from the outside. As a result, if the outside temperature is lower, cold will flow inside through it.
It is usually installed in the ceiling of the main hallway. It draws in outside air through open windows and blows it into the well-ventilated attic. If you are confident of keeping your windows open since you don’t have air-con or live in a moderate climate, a whole-house fan is a winning solution.
Moreover, it is far less expensive to run compared to ACs. It’s a lot more effective approach to keep a home cool.
Is it Able to Ventilate the House?
The house contains a lot of warmth, which condenses into a liquid when it touches a cold surface. As an outcome, it compresses on the ceilings and walls, promoting mold formation. The home may be damaged as a result of rotted wood and deteriorating insulation.
When the temperature in your home is excessively humid, the equipment used to cool it needs to work much harder, which means your energy costs will rise. There is also a mixture of gases that risks one’s health and originate from fireplaces, stoves, and cleaning chemicals.
Installing the system is quite effective for ventilating the entire house, such as the attic and living interiors. It draws cold air from the outside to provide coolness on the inside and forces hot air out via the attic vents. The air is sucked in through open windows and emits through the attic and roof.
How to Use it effectively?
It is a large fan mounted on the top of your home, in the attic, mostly.
It may significantly reduce the temperature in a home by delivering quick cooling and fresh air. The secret is to install them correctly and with professional guidance. Furthermore, it allows you to save a significant amount of money by lowering your energy bills. Because positioned in the attic, they do not make much noise in other locations. When considering the usefulness of it, it’s best to replace your earlier model fan with a more effective one.
It is pretty helpful in locations with hot days and chilly nights. When switched on at night, they might pull in cold outside air. Later, just before outdoor temperatures reach within, the fan is turned off, all windows and doors are closed, and the curtains are drawn to keep the home cool. Whole-house fans, on the other hand, are only helpful during cool nights
Use it if the outside is colder than the inside. If you run the fan while your cooling unit is turned on, you will be sending expensive AC right out of your home! We recommend that you leave your complete home fan on all night. It takes some effort to remove heat from a house’s walls, structure, and composition.
Open windows in all rooms that you wish to cool after the sun go down early in the evening. When you turn it om, it sucks air in via the open windows and pushes it out. This, at best, brings a refreshing breeze in, providing some relief.
When things start to heat up in the morning, switch it off. Close the windows, curtains, and shutters to keep as much sunshine out, and the house stays cool longer.
This system is one of the most cost-effective and practical ways to cool your home naturally. The temperature fluctuations from sunrise to sunset in the hotter regions necessitate an appropriate system. With this, you can turn off your air conditioning systems and inhale a fresh breath of goodness with the flip of a button.
According to numerous power company evaluations, it can replace your AC for most of the year and is one of the best energy-saving gadgets on the market.
I hope this post has given you some ideas on maximizing opportunities, whether you already have one or are considering obtaining one.