AirScape Whole House Fans: Models, Specs, Pricing Guide
If you're researching AirScape whole house fans, you've likely heard about their reputation for quiet operation and energy efficiency. AirScape has built a solid following among homeowners who want to cut cooling costs without sacrificing comfort or dealing with the loud, clunky fans of the past.
But with multiple models, varying CFM ratings, and different price points, finding the right AirScape fan for your home takes some homework. You need to know which model fits your square footage, what installation requirements to expect, and whether the smart home features justify the investment.
This guide breaks down the complete AirScape lineup, models, specifications, and current pricing, so you can make an informed decision. At Whole House Fan, we've spent over two decades helping homeowners find the right ventilation solutions, and we'll walk you through everything you need to know before you buy.
Why AirScape whole house fans stand out
AirScape whole house fans earn their premium pricing through engineering choices that traditional fans skip. You get a fan that operates at 40 to 52 decibels, roughly the sound level of a quiet conversation, compared to older models that roar at 70+ decibels. This difference matters when you want to cool your home at night without waking your family or annoying neighbors.
Insulation built into the design
Most whole house fans leave a giant hole in your ceiling when not in use, which destroys your insulation and leaks conditioned air year-round. AirScape solves this with a motorized insulated door system that seals the opening when the fan shuts off. Your attic stays separate from your living space, so you don't pay to heat or cool the outdoors through a drafty ceiling vent.
The motorized door system eliminates the energy waste that makes traditional whole house fans impractical in extreme climates.
Smart home integration that actually works
Every AirScape model comes with app-based controls and compatibility with voice assistants like Amazon Alexa. You can schedule cooling cycles, monitor runtime, and adjust fan speed without getting up. The system learns your preferred temperature settings and can trigger automatically based on indoor and outdoor conditions. This removes the guesswork from operating a whole house fan and maximizes your energy savings without manual intervention throughout the day.
Traditional fans require you to manually flip switches and remember to open windows. AirScape's automation handles the details, so you get consistent cooling and ventilation without the mental overhead of managing another home system.
How AirScape whole house fans cool and ventilate
AirScape whole house fans work by pulling cool outdoor air through open windows and pushing hot indoor air out through your attic vents. This creates a powerful air exchange that drops indoor temperatures by 10 to 15 degrees in minutes. You need outdoor temperatures at least 5 degrees cooler than inside for the system to work effectively, which makes these fans ideal for evening and nighttime cooling in most climates.
The cooling cycle explained
When you turn on your fan, it creates negative pressure inside your home that draws air through every open window. This incoming air flows through your living spaces, absorbs heat, and gets expelled into the attic at rates between 1,200 and 3,000 CFM depending on your model. The entire volume of air in your home gets replaced every few minutes, which removes trapped heat faster than any air conditioning system can match.
Your home stays cool without recirculating the same stale air, which means you breathe fresh outdoor air all night.
Ventilation benefits beyond cooling
The constant air exchange removes cooking odors, pet smells, and indoor pollutants that accumulate during the day. You get improved air quality along with lower temperatures, which matters for anyone with allergies or respiratory sensitivities. This dual benefit explains why many homeowners run their airscape whole house fans even when temperatures don't require cooling.
AirScape models and specs at a glance
AirScape manufactures three primary models that cover homes from 1,200 to 3,500 square feet. Each fan uses the same insulated door system and smart controls, but you get different airflow capacities based on your home size. The right model depends on your square footage and ceiling height, not just your budget.
Core model lineup
The AirScape Whole House Fan 2.1e handles smaller homes up to 1,800 square feet with airflow at 1,200 to 1,800 CFM. Your installation requires minimal attic space, and the compact design fits in tighter ceiling areas where larger fans won't work.
Mid-sized homes between 1,800 and 2,500 square feet need the AirScape 3.0e model, which delivers 2,000 to 2,500 CFM. This model balances power with quiet operation at the same 40 to 52 decibel range that makes airscape whole house fans practical for nighttime use.
The 4.0e model provides the power needed for multi-story homes without compromising the whisper-quiet performance AirScape is known for.
The AirScape 4.0e serves larger homes up to 3,500 square feet with peak airflow reaching 3,000 CFM. You get two-speed operation that lets you run the fan at lower speeds for maintenance ventilation or full power for rapid cooling during heat waves.
Pricing, energy use, and ongoing costs
AirScape whole house fans cost between $1,800 and $2,800 depending on model and installation complexity. You pay more upfront than traditional fans, but the insulated door system and smart controls deliver returns through lower energy bills and year-round efficiency. Professional installation adds another $500 to $1,200 based on your attic access, electrical work, and structural modifications needed.
Upfront investment by model
The 2.1e model starts at $1,800 for homes under 1,800 square feet, making it the entry point for airscape whole house fans. Mid-sized homes need the 3.0e at approximately $2,200, while larger installations with the 4.0e reach $2,800 before installation costs. These prices reflect the premium engineering and materials that separate AirScape from budget alternatives.
Monthly energy savings
Your fan consumes 100 to 250 watts depending on speed settings, compared to central air conditioning that pulls 3,000 to 5,000 watts. Running your fan for 8 hours costs roughly $0.20 to $0.50 per night, while equivalent AC runtime reaches $4 to $7. Most homeowners report 50% to 90% cooling cost reductions during months when outdoor temperatures drop below 80 degrees at night.
The energy difference means your fan typically pays for itself in two to four cooling seasons through avoided AC costs.
Installation, sizing, and smart home compatibility
Installing airscape whole house fans requires cutting a ceiling opening between 14 and 24 inches square, running electrical wiring to a switch location, and ensuring adequate attic ventilation matches your fan's CFM output. Most homeowners hire licensed contractors because the work involves structural modifications, electrical connections, and proper duct sealing that affect your fan's performance and safety. Your attic needs at least 12 inches of clearance above the fan housing and sufficient roof vents to exhaust the incoming air volume.
Sizing your fan correctly
You calculate the right model by multiplying your home's square footage by ceiling height, then dividing by two for standard cooling or by three for rapid temperature drops. A 2,000 square foot home with 8-foot ceilings needs 8,000 CFM capacity for fast cooling, which means the 3.0e or 4.0e model fits your requirements. Undersizing creates weak airflow that disappoints, while oversizing wastes money on capacity you never use.
Smart home features included
Every AirScape model connects to your WiFi network and works with Alexa voice commands for hands-free operation. You control fan speed, set schedules, and monitor indoor temperatures through the mobile app from anywhere.
The app tracks your energy savings and runtime statistics so you see exactly how much money your fan saves each month.
Next steps for your home
You now understand the complete airscape whole house fans lineup, from the compact 2.1e model to the powerful 4.0e system that handles larger homes. Your next step involves matching your square footage to the right CFM capacity and deciding whether the smart home features justify the premium pricing for your cooling needs.
Start by calculating your home's cooling requirements using the square footage formula we covered earlier. Measure your attic clearance and count your existing roof vents to ensure your home supports proper installation before you purchase. Most homeowners benefit from getting quotes from licensed contractors who specialize in whole house fan installations to understand your total project costs.
Ready to cut your cooling bills while improving indoor air quality? Browse our selection of whole house fans to compare models, read detailed specifications, and take advantage of our 60-day money-back guarantee with free lifetime customer support.