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AirScape 3400 WHF Whole House Fan
The AirScape patented aerodynamic fan housing and Powered Airlock™ damper boost efficiency by 133% over the 3.4e!
Features:
- 24-inch Industrial Grade fan
- ECM motor for outstanding performance
- Impressive Cooling: 3440 CFM (@ 298 Watts) on high
- AirScape's Most Efficient Fan Ever: 42.5 CFM/Watt at low speed (723 CFM @ 17 Watts)
- Whisper quiet: 36 dBA at min. up to 52 dBA on max speed
- California Title 24 compliant
- R-13 door insulation
- New Digital Touch Controller provides 10 speed settings and a 12-hour timer!
- Optional remote controls unit from anywhere in the home.
Brochures:
3400WHF Specification Sheet (PDF file)
3400WHF Installation Manual (PDF file)
Specifications:
Airflow: | 723 / 1352 / 1775 / 2082 / 2415 / 2671 / 2896 / 3105 / 3282 / 3440 CFM (min - max; 10 speed settings) |
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For Square footage: | up to 4000 (under ideal conditions) |
Fans: | 24 inch industrial grade fan |
Energy Use: | 17 / 33 / 55 / 80 / 110 / 142 / 179 / 217 / 259 / 298 Watts (min - max) |
Efficiency: | 42.5 / 41.0 / 32.3 / 26.0 / 22.0 / 18.8 / 16.2 / 14.3 / 12.7 / 11.5 CFM per Watt (min - max) |
Sound Level: | 36 to 52 dBA (min - max) |
Attic Seal: | Airtight with Industrial Grade Dampers |
Insulation: | Automatic Insulated R-13 Dampers |
Controls: | Low-voltage hardwired switch with timer, Optional Wireless Remote |
Grille: | High-Flow, White Aluminum cube-core |
Grille Outer Dimensions: | 24.5 inch × 28.5 inch |
Installation: | Compatible on 16 or 24 inch O/C joists |
Rough Opening: | 22.5 inch × 26. 5 inch |
Required Attic Venting: | 4.6 sq.ft min net free area (7 recommended) |
Unit Size: | 33.25 x 26.25 x 19.25 in (Fully Assembled Damper Unit) |
Shipping Weight: | 130 lbs (3 boxes total) |
Electrical: | 120 VAC, 60hz |
Warranty: | 3 Years |
Digital Touch Controller in action:
Outstanding Energy Efficiency: | An advanced ECM Motor supplies maximum airflow at high speeds to quickly cool down the home, then "unloads" to achieve maximum efficiency at low speeds so no watt goes to waste. |
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Industrial-Grade Fans: | 24 inch industrial-grade fan, mounted in a patented aerodynamic housing, delivers up to 3440 CFM quietly and efficiently. |
Mulitple Speed Operation: | 10 speeds and a 12-hour timer provide a range of options for quick cooling and efficient, whisper-quiet overnight performance. |
Whisper-Quiet Design: | Ducted design isolates the fan and motor housing to minimize noise. |
AirScape AirLock™ Insulated Damper: | Heavy-duty actuators, tested to 45,000 cycles, open and close R-13 insulated damper door, providing a thermal barrier and airtight seal between the attic and living space. No seasonal insulation needed! |
Premium Cube-Core Grille: | High-flow grille designed to maximize efficiency and minimize noise |
Engineered Quality for Maintenance Free Operation: | Designed and engineered for years of dependable service. Built in North America using all-metal construction, industrial grade components, and solid state electronics. |
Quick and Simple Installation: | Compact footprint mounts standard 16- or 24-inch on-center joists using pre-drilled tabs. Designed to fit through its own mounting hole. Equipped with a factory-installed standard plug, and low-voltage, "plug-and-play" controls. |
Warranty and Technical Support: | Guaranteed for 3 years and supported by our professional technical team: Prompt, knowledgeable responses from real engineers are an e-mail or phone call away |
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Do you have questions about the products on this page? Click on the ? image on the left or this link to ask us your questions! |
#1 | Q: can you show me the inside grill A: The grille is a typical white cube core grille. 1/2 inch grid of cubes. There are some grille images here: https://airscapefans.com/products/airscape-sierra?variant=289587593221 Asked on 2022-03-10 by Tom |
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why buy from us?
We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.
Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.