Finding the best whole house fan for a two story home involves balancing power, noise levels, and ease of use. The QA-Deluxe 6500 Energy Efficient Whole House Fan stands out for its energy savings and dual-speed operation, making it ideal for those prioritizing efficiency. The QuietCool QC CL-7000 RF offers wireless control and quiet performance, perfect for homeowners seeking minimal disruption. A key challenge in this category is choosing a fan that effectively cools both floors without excessive noise or complicated installation. Keep reading for a detailed breakdown of the top options and what makes each one unique.
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Key Takeaways
- Top-performing models combine energy efficiency with quiet operation, crucial for comfort in dual-story homes.
- Wireless control features are increasingly common, offering convenience but often at a higher price point.
- Size and airflow capacity are critical, with larger fans better suited for two-story homes but often more complex to install.
- Build quality and durability vary; investing in models with corrosion-resistant components can extend lifespan.
- Cost varies widely, with premium options offering advanced features but more affordable models providing solid performance for budget-conscious buyers.
| QA-Deluxe 6500 Energy Efficient Whole House Fan 2 Speed Remote With Timer |  | Best Overall for Large Homes with Power and Flexibility | CFM: 5878 | Attic ventilation: about 5.5 sq ft | Suitable for: homes up to 4400 sqft | VIEW LATEST PRICE | See Our Full Breakdown |
| QuietCool QC CL-7000 RF Classic Advanced Whole House Fan with Wireless Control |  | Best for Large Homes with Wireless Convenience | Airflow: 6,924 CFM on high | Coverage Area: up to 3,470 sq. ft. | Motor Power: 1,147 Watts | VIEW LATEST PRICE | See Our Full Breakdown |
| Centric Air 4.0 Ultra Quiet & Energy Saving Whole House Fan, Plug & Play |  | Best for Quiet, Energy-Efficient Performance | CFM: 3921 | Attic Ventilation Requirement: about 5.5 sq ft | Power Consumption: 623 Watts | VIEW LATEST PRICE | See Our Full Breakdown |
| QuietCool QC CL-4700 RF Classic Advanced Whole House Fan with Wireless Control |  | Best for Medium-Large Homes with Rapid Cooling | Airflow: 4415 CFM | Coverage Area: up to 2,210 sq. ft. | Motor Power: 551 Watts | VIEW LATEST PRICE | See Our Full Breakdown |
| QuietCool QC CL-3100 RF Classic Whole House Fan with Wireless Control | | Best for Small Homes or Apartments | Air Flow Capacity: 3126 CFM | Coverage Area: up to 1,610 sqft | Number of Speeds: 2 | VIEW LATEST PRICE | See Our Full Breakdown |
| Centric Air QA-Deluxe 5500 Whole House Fan with Remote |  | Best Overall for Large Two-Story Homes | CFM: 5500 | Airflow: 3945 CA Title 24 | Coverage: up to 3400 sqft (two-story) | VIEW LATEST PRICE | See Our Full Breakdown |
| Centric Air 4.0 Ultra Quiet Whole House Fan, 2-Speed with Remote |  | Best for Quiet, Energy-Efficient Cooling | Power Source: Corded Electric | Airflow Capacity: 3945 cfm | Number of Speeds: 2 | VIEW LATEST PRICE | See Our Full Breakdown |
| QuietCool QC CL-6000 RF Classic Advanced Whole House Fan with Wireless Control | | Best for Rapid Cooling and Smart Control | CFM: 5665 on high | Coverage Area: up to 2,840 sqft | Motor Power: 769 Watts on high | VIEW LATEST PRICE | See Our Full Breakdown |
| whole house fans for two story home | Warranty | CFM | Coverage Area | Motor Power |
|---|---|---|---|---|
| QA-Deluxe 6500 Energy Efficien | 10-year motor, 3-year parts | 5878 | — | — |
| QuietCool QC CL-7000 RF Classi | 10 years | — | up to 3,470 sq. ft. | 1,147 Watts |
| Centric Air 4.0 Ultra Quiet & | 15 years | 3921 | — | — |
| QuietCool QC CL-4700 RF Classi | 10 years | — | up to 2,210 sq. ft. | 551 Watts |
| QuietCool QC CL-3100 RF Classi | 10 years | — | up to 1,610 sqft | 256 watts |
| Centric Air QA-Deluxe 5500 Who | 10-year motor, 3-year parts | 5500 | — | — |
| Centric Air 4.0 Ultra Quiet Wh | — | — | — | — |
| QuietCool QC CL-6000 RF Classi | 10 years | 5665 on high | up to 2,840 sqft | 769 Watts on high |
More Details on Our Top Picks
QA-Deluxe 6500 Energy Efficient Whole House Fan 2 Speed Remote With Timer
The QA-Deluxe 6500 stands out for its impressive airflow of 5878 CFM, making it ideal for homes up to 4400 sqft. Compared with the QuietCool QC CL-7000, it provides slightly higher capacity, but it comes at a higher cost and requires a wall mount adapter for some installations. Its energy-efficient operation keeps running costs minimal, and the remote with timer adds convenience. While it’s easy to install, its limited compatibility with certain joist spacings and lack of noise level data mean some users might face challenges. This model makes the most sense for large, two-story homes needing robust ventilation without frequent maintenance.
Pros:- High airflow capacity suitable for large homes
- Energy-efficient operation costs pennies per hour
- Remote control with timer for added convenience
- Easy installation without framing modifications
Cons:- Additional cost for wall mount adapter ($50)
- Limited to specific joist spacing (16-24 inches)
- No specified noise level in decibels
Best for: Homeowners with large, two-story houses seeking high airflow and flexible controls
Not ideal for: Buyers with smaller homes or those concerned about upfront adapter costs, as it’s best suited for larger spaces
- CFM:5878
- Attic ventilation:about 5.5 sq ft
- Suitable for:homes up to 4400 sqft
- Warranty:10-year motor, 3-year parts
- Made in:USA
Our verdict“This fan is ideal for large, two-story homes needing powerful, flexible ventilation with minimal ongoing costs.”
QuietCool QC CL-7000 RF Classic Advanced Whole House Fan with Wireless Control
The QuietCool QC CL-7000 RF offers an impressive airflow of 6,924 CFM, making it well-suited for homes up to 3,470 sqft. Its wireless RF control simplifies operation, and its installation process is straightforward compared to the more complex setup of the Centric Air 4.0. However, it requires a venting area of at least 9.24 sq ft, which might challenge DIYers with limited attic space, and its power consumption of over 1,100 Watts could be significant over extended use. Compared to the QA-Deluxe 6500, it has slightly less capacity but adds the convenience of wireless control and safety features. This pick is best for homeowners who value remote operation and have ample attic space.
Pros:- High airflow capacity suitable for large homes
- Wireless RF control for easy operation
- Includes safety window locks
- Simple installation with minimal space requirements
Cons:- Requires attic venting of at least 9.24 sq ft
- High power usage (over 1,100 Watts)
- Installation may be challenging for some DIYers
Best for: Homeowners with large, two-story houses who prioritize wireless control and easy installation
Not ideal for: Buyers with limited attic venting space or seeking lower power consumption, as it demands more attic area and energy
- Airflow:6,924 CFM on high
- Coverage Area:up to 3,470 sq. ft.
- Motor Power:1,147 Watts
- Installation Time:1-2 hours
- Warranty:10 years
Our verdict“This fan excels for large homes where wireless control and straightforward installation outweigh the higher energy costs.”
Centric Air 4.0 Ultra Quiet & Energy Saving Whole House Fan, Plug & Play
The Centric Air 4.0 distinguishes itself through ultra-quiet operation, thanks to acoustical ductwork and a German-engineered motor, ideal for homes where noise is a concern. It offers a moderate airflow of 3921 CFM, which is less than the QuietCool and QA-Deluxe models, but its energy efficiency and long-lasting 15-year warranty appeal to those seeking durability and low noise. Unlike the QuietCool QC CL-4700, which provides more airflow for slightly larger spaces, the Centric Air excels in quiet operation and lower energy costs. Installation may require professional help, especially to fit its specific attic size of 5.5 sq ft. It’s best suited for homeowners prioritizing quiet, energy savings, and long-term durability over maximum airflow.
Pros:- Ultra-quiet operation due to acoustical engineering
- Highly energy efficient, uses less power
- German-engineered durable motor with 40,000-hour lifespan
- Includes damper to seal attic when not in use
Cons:- Requires specific attic venting size (5.5 sq ft)
- Installation may need professional assistance
- Lower airflow compared to larger models
Best for: Homeowners who value quiet operation and energy efficiency over raw airflow capacity
Not ideal for: Buyers needing the highest possible airflow or with larger two-story homes, as it’s better suited for smaller or noise-sensitive spaces
- CFM:3921
- Attic Ventilation Requirement:about 5.5 sq ft
- Power Consumption:623 Watts
- Motor Lifespan:40,000 hours
- Warranty:15 years
Our verdict“This model is ideal for quiet, energy-conscious homes where noise and durability are priorities over maximum airflow.”
QuietCool QC CL-4700 RF Classic Advanced Whole House Fan with Wireless Control
The QuietCool QC CL-4700 RF offers 4,415 CFM, making it suitable for homes up to 2,210 sqft. Its wireless RF control and simple installation rival the QC CL-7000 but with a slightly lower capacity. It’s a practical choice for homeowners wanting quick cooling without the complexity of larger units like the QA-Deluxe 6500. Its requirement for a minimum attic venting area of 5.89 sq ft is manageable for most, but some DIYers might find installation tricky. Compared with the smaller QC CL-3100, it offers higher airflow—ideal for medium-sized homes—while maintaining ease of use and safety features. This fan balances capacity and convenience for efficient cooling of moderate-sized two-story homes.
Pros:- High airflow capacity for rapid cooling
- Wireless RF control with timer
- Easy installation with minimal framing
- Includes window locks for safety
Cons:- Requires attic venting of at least 5.89 sq ft
- Limited to homes up to 2,210 sqft
- Installation might challenge some DIYers
Best for: Homeowners with medium-sized homes up to 2,210 sq. ft. seeking fast, efficient ventilation
Not ideal for: Buyers with smaller homes or limited attic venting capacity, as it is designed for larger airflow needs
- Airflow:4415 CFM
- Coverage Area:up to 2,210 sq. ft.
- Motor Power:551 Watts
- Installation Size:14 in. x 30 in.
- Warranty:10 years
Our verdict“This fan offers a great mix of capacity and ease of use for medium-sized two-story homes needing quick cooling solutions.”
QuietCool QC CL-3100 RF Classic Whole House Fan with Wireless Control
The QuietCool QC CL-3100 RF is designed for smaller spaces, with an airflow of 3,126 CFM suitable for homes up to 1,610 sqft. Its two-speed operation and wireless RF control offer straightforward management, similar in convenience to the larger QC models but scaled down. Compared with the QC CL-4700, it provides less airflow, but for small or medium homes, this is enough to improve comfort and reduce AC reliance. Its installation is simple, but it requires attic venting of at least 5.89 sq ft, which could be a limiting factor for some. This model is best for owners of small two-story homes or apartments who want efficient cooling without unnecessary capacity or complexity.
Pros:- High airflow capacity for small spaces
- Wireless control and remote for easy operation
- Durable with a 10-year warranty
- Easy installation with minimal required space
Cons:- Limited to homes up to 1,610 sqft
- Requires attic venting of at least 5.89 sq ft
- Less suitable for larger or multi-story homes
Best for: Owners of small to medium homes up to 1,610 sqft seeking affordable, reliable ventilation
Not ideal for: Buyers with larger homes or those needing higher airflow, as it’s best suited for smaller spaces
- Air Flow Capacity:3126 CFM
- Coverage Area:up to 1,610 sqft
- Number of Speeds:2
- Motor Power:256 watts
- Warranty:10 years
Our verdict“This fan is perfect for small homes or apartments needing dependable ventilation and simple operation.”
Centric Air QA-Deluxe 5500 Whole House Fan with Remote
This model stands out for its impressive airflow of 5500 CFM, making it ideal for large two-story homes up to 3400 sqft. Compared with the quieter Centric Air 4.0, the QA-Deluxe offers higher capacity, which is crucial for effectively ventilating multi-level spaces. Its easy installation between standard joist spacings and energy-efficient operation mean it can cool large areas without breaking the bank on electricity. However, the additional cost for the wall mount adapter and limited noise level info are worth considering. Overall, this fan is a solid choice for homeowners needing substantial airflow with straightforward setup.
Pros:- High airflow capacity suitable for large homes
- Energy-efficient operation costs pennies per hour
- Easy installation without framing modifications
- Remote control included for convenience
Cons:- Additional cost for wall mount adapter ($49)
- Limited noise level details provided
Best for: Homeowners with large, two-story layouts who prioritize high airflow capacity and easy installation.
Not ideal for: Those with smaller or single-story homes, as its high capacity might be overkill and costlier than needed.
- CFM:5500
- Airflow:3945 CA Title 24
- Coverage:up to 3400 sqft (two-story)
- Voltage:Not specified
- Warranty:10-year motor, 3-year parts
- Installation:Fits between 16 & 24 inch on-center joists
Our verdict“This fan is best suited for large two-story homes needing reliable, high-capacity ventilation with straightforward installation.”
Centric Air 4.0 Ultra Quiet Whole House Fan, 2-Speed with Remote
Compared to the more powerful QA-Deluxe, the Centric Air 4.0 prioritizes quiet operation, making it ideal for homes where peace is key. Its 2-speed system and acoustical ductwork significantly reduce noise, while still delivering a respectable airflow of 3945 CFM—enough to cool most two-story homes comfortably. The inclusion of an airtight damper helps maintain insulation and energy efficiency during off-use seasons. However, installation might challenge DIYers unfamiliar with ductwork, and it’s limited to indoor use only. This model makes the most sense for buyers seeking a quiet, energy-efficient fan that doesn’t compromise on airflow.
Pros:- Ultra-quiet operation maintains peace at home
- Energy-efficient design reduces power bills
- Durable motor rated for 40,000 hours
- Includes airtight damper for seasonal sealing
Cons:- Installation may require DIY skills
- Limited to indoor use only
Best for: Homeowners who want effective ventilation without noise disrupting daily life or sleep.
Not ideal for: Large households needing the absolute highest airflow, or those seeking multi-speed operation for variable cooling demands.
- Power Source:Corded Electric
- Airflow Capacity:3945 cfm
- Number of Speeds:2
- Wattage:623
- Voltage:120 volts
- Installation Type:DIY
Our verdict“This fan is perfect for those prioritizing quiet, energy-efficient cooling in a two-story home.”
QuietCool QC CL-6000 RF Classic Advanced Whole House Fan with Wireless Control
This option excels in delivering rapid cooling with an airflow of up to 5665 CFM, making it well-suited for large two-story homes that need quick ventilation. Its wireless remote control with a 12-hour timer adds convenience, especially for busy households. Compared to the Centric Air models, the QuietCool CL-6000 RF offers higher maximum airflow, which is advantageous for very hot days or large spaces. Its relatively simple installation and included window locks enhance its appeal. However, it requires a minimum attic venting of 7.56 sq. ft., and some DIYers may find installation challenging. This pick makes the most sense for those seeking fast, effective cooling with smart controls.
Pros:- High airflow capacity for quick cooling
- Wireless remote control with timer for ease of use
- Easy to install without framing or joist cutting
- Includes window locks for safety
Cons:- Requires a minimum attic vent of 7.56 sq. ft.
- Installation may be challenging for some DIYers
Best for: Homeowners who want rapid cooling and the convenience of wireless remote operation in a large two-story home.
Not ideal for: Those with limited attic space or who prefer a manual control setup, as the wireless feature may be unnecessary or challenging to install.
- CFM:5665 on high
- Coverage Area:up to 2,840 sqft
- Motor Power:769 Watts on high
- Control:Wireless RF with 12-hour timer
- Installation Time:1-2 hours
- Warranty:10 years
Our verdict“This fan suits homeowners seeking fast, high-capacity cooling with smart, wireless control features.”
How We Picked
I evaluated these whole house fans based on several key factors: airflow capacity to handle two-story homes effectively, noise levels for comfort, energy efficiency to save on long-term costs, ease of installation for DIY or professional setup, and build quality for durability. Models were compared across these criteria, with particular emphasis on how well they suited the unique demands of two-story layouts. The rankings reflect a balance between performance, usability, and value, ensuring options are relevant for different homeowner priorities.| whole house fans for two story home | Coverage Area |
|---|---|
| QA-Deluxe 6500 Energy Efficien | — |
| QuietCool QC CL-7000 RF Classi | up to 3,470 sq. ft. |
| Centric Air 4.0 Ultra Quiet & | — |
| QuietCool QC CL-4700 RF Classi | up to 2,210 sq. ft. |
| QuietCool QC CL-3100 RF Classi | up to 1,610 sqft |
| Centric Air QA-Deluxe 5500 Who | — |
| Centric Air 4.0 Ultra Quiet Wh | — |
| QuietCool QC CL-6000 RF Classi | up to 2,840 sqft |
Factors to Consider When Choosing Best Whole House Fans For Two Story Homes
Choosing the right whole house fan for a two story home requires understanding several important factors. Size and airflow capacity should match your home’s square footage and ceiling height to ensure effective cooling. Noise levels matter, especially if you prefer a quiet environment during operation. Energy efficiency impacts long-term operating costs, making it a key consideration. Ease of installation can vary, with some models designed for quick setup, while others may require professional help. Finally, durability and build quality influence the fan’s lifespan, especially in challenging environments or humid climates. Being aware of these factors helps avoid common pitfalls such as undersizing the fan or overspending on unnecessary features.Airflow Capacity and Size
For two story homes, selecting a fan with sufficient airflow is critical. Fans are rated in CFM (cubic feet per minute), and larger homes require higher CFM ratings to ensure even cooling on both floors. Oversized fans can be noisy or inefficient, while undersized units will struggle to provide noticeable relief. Consider your home’s square footage and ceiling height when choosing. A fan with adjustable speed settings can help tailor airflow to different needs, providing flexibility and better comfort.
Noise Levels and Quiet Operation
Noise is a common concern, especially in homes where the fan runs frequently. Models with sound-insulating features or lower decibel ratings tend to operate more quietly, making them suitable for homes with bedrooms or shared living spaces. Some fans incorporate multiple speed settings, allowing you to prioritize quiet operation during nighttime or quiet hours. Be cautious of overly cheap models that may produce disruptive noise, defeating the purpose of a peaceful home environment.
Energy Efficiency and Operating Costs
Energy-efficient fans can significantly reduce electricity bills over time, particularly with models that have variable speed controls or timers. Look for fans with certifications such as ENERGY STAR, indicating they meet high standards for efficiency. While these models might carry a higher upfront cost, they often save money long-term through lower energy consumption. Remember, more powerful fans tend to consume more energy, so balance capacity with efficiency for the best overall value.
Ease of Installation and Maintenance
Some models are designed for straightforward DIY installation, featuring plug-and-play operation or modular components. Others may require professional installation, especially if ducting or electrical work is involved. Consider your comfort with installation tasks and whether the unit comes with clear instructions. Maintenance tends to involve regular cleaning of grills and filters; choosing a model with accessible parts can simplify upkeep and extend the fan’s lifespan.
Build Quality and Durability
Durability is essential, especially in humid or variable climates. Fans with corrosion-resistant housings, sturdy blades, and reliable motors tend to last longer and perform consistently. Cheaper models might offer initial savings but can suffer from premature wear or failure. Investing in a well-built unit can prevent costly replacements and ensure continuous comfort in your two-story home.
Frequently Asked Questions
How do I determine the right size of a whole house fan for my two story home?
Calculating the right size involves measuring your home’s total square footage and ceiling height. Fans are rated in CFM, and a general rule is to choose a unit that can circulate your entire home’s air volume within a few minutes, typically 15-20 air changes per hour for cooling. For two story homes, selecting a fan with higher capacity ensures effective cooling on both floors simultaneously. Consulting with a professional can help confirm the optimal size based on your specific layout and insulation levels.
Are wireless control features worth the extra cost?
Wireless controls add significant convenience, allowing you to operate the fan remotely or via smartphone apps, which is especially helpful in multi-level homes. They also tend to include programmable timers and automation options, enhancing energy savings. However, these features usually come with a higher price tag and may introduce potential connectivity issues. If you value ease of operation and smart home integration, investing in models with wireless control can be worthwhile, but budget-conscious buyers might prefer simpler, wired options.
Can I install a whole house fan myself in a two-story home?
Installation difficulty varies by model, with some designed for easy DIY setup and others requiring professional electrical or ducting work. Many fans come with detailed instructions and modular components, making them accessible for homeowners with basic handyman skills. However, for larger units or complex wiring, hiring a licensed installer ensures safety and optimal performance. Proper installation is key to achieving the full cooling benefit and avoiding issues like air leaks or electrical problems.
What features should I prioritize if I want a quiet operation?
Look for fans with low decibel ratings, typically below 50 dB, and models that incorporate sound dampening features such as insulated housings or vibration-reducing mounts. Fans with multiple speed settings allow you to run them at lower, quieter levels during night hours. Additionally, brands that emphasize quiet operation often design blades and motors specifically to minimize noise. Prioritizing these features helps maintain a peaceful environment while still benefiting from effective airflow.
Is a higher price always better for a whole house fan?
Not necessarily. Higher-priced fans often include advanced features like smart controls, superior build quality, and greater energy efficiency, which can justify their cost for many homeowners. However, cheaper models may still deliver reliable performance for smaller or less demanding homes. Consider your specific needs, such as size, noise tolerance, and automation preferences, to decide whether a premium model offers value for your situation. Balance the initial investment with long-term savings and performance to make the best choice.
Conclusion
For homeowners seeking the best overall performance and reliability, the QA-Deluxe 6500 Energy Efficient Whole House Fan offers a great balance of capacity and efficiency. Budget-conscious buyers should consider models like the Centric Air 4.0 Ultra Quiet Whole House Fan for solid performance at a lower price. Those looking for convenience and smart features will find the QuietCool QC CL-7000 RF ideal, especially if quiet operation is a priority. Beginners or DIY enthusiasts will benefit from models with straightforward installation, while premium buyers should consider options with advanced controls and superior materials. Matching the right fan to your home size, noise tolerance, and budget ensures a comfortable and energy-efficient living space.
