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Compare AirScape Fans

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Model Features LiftLockAirScapeView Dimensions LiftLock DuctedAirScapeView Dimensions Ventura 3200AirScapeView Dimensions Sierra 3200 WHFAirScapeView Dimensions Ventura 3400AirScapeView Dimensions Sierra 3400 WHFAirScapeView Dimensions Ventura 5300AirScapeView Dimensions Sierra 5300 WHFAirScapeView Dimensions Ventura X9AirScapeView Dimensions
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Q-CFM™ Max Airflow** 3478 2945 4263 4424 4518 4644 7007 7196 7007
CFM (high)
HVI-916 (Title 24)		 2698 2276 3132 3253 3342 3440 5202 5350 5212
CFM (low)
HVI-916 (Title 24)		 1026 (10 Speed) 628 (10 Speed) <225 (10 Speeds) 723 (10 Speeds) <225 (10 Speeds) 723 (10 Speeds) 916 (10 Speeds) 1367 (10 Speeds) <50 (10 Speeds)
Fans 20 inch Aluminum Blade with Aluminum Housing 20 inch Aluminum Blade with Aluminum Housing 20 inch Aluminum Blade with Aluminum Housing 20 inch Aluminum Blade with Aluminum Housing 24 inch Aluminum Blade with Aluminum Housing 24 inch Aluminum Blade with Aluminum Housing 24 inch Composite Blade with Aluminum Housing 24 inch Composite Blade with Aluminum Housing 24 inch Composite Blade with Aluminum Housing
Watts (high) 172 168 325 321 292 298 850 825 925
Watts (low) 11 10 11 17.9 15 17 28 34 17
Efficiency (CFM/Watt) 15.7 to 93.3 13.5 to 62.8 30 to 9.6 10.1 to 40.2 30 to 11.4 11.5 to 42.5 32.7 to 6.1 6.5 to 40.2 3 to 31.8
Noise (High Spd dBA) 62 62 60 60 52 52 60 61 68
Noise (Low Spd dBA) 41 41 36 36 36 36 37 36 36
Attic Seal Airtight Motorized and Insulated DROP DOWN Metal Door with Gasket Airtight Motorized and Insulated DROP DOWN Metal Door with Gasket Gravity Air Door Airtight Motorized and Insulated Metal Door with Gasket Gravity Air Door Airtight Motorized and Insulated Metal Door with Gasket Gravity Air Door Airtight Motorized and Insulated Metal Door with Gasket Gravity Air Door
Insulation R-5 R-5 R4 on duct only Automatic insulated R-13 dampers R4 on duct only Automatic insulated R-13 dampers R4 on duct only Automatic insulated R-13 dampers R4 on duct only
Controls Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer Digital Touch Controller with 10 speed settings and a 12-hour timer
Grille N/A. Drop down door. N/A. Drop down door. High Flow Cube Core White Aluminum High Flow Cube Core White Aluminum High Flow Cube Core White Aluminum High Flow Cube Core White Aluminum High Flow Cube Core White Aluminum High Flow Cube Core White Aluminum High Flow Cube Core White Aluminum
Grille Size Not Applicable Not Applicable 16 inch x 24 inch 16 inch x 24 inch 24.5 inch x 28.5 inch 24.5 inch x 28.5 inch 24.5 inch x 28.5 inch 24.5 inch x 28.5 inch 16.5 inch x 38.5 inch
Installation Drops onto 16 or 24 inch O.C. joists Drops onto 16 or 24 inch O.C. joists Drops onto 16 or 24 inch O.C. joists Drops in between 16 or 24 inch O/C joists Compatible with 16 or 24 inch O/C joists Compatible with 16 or 24 inch O/C joists Compatible with 16 or 24 inch O/C joists Compatible with 16 or 24 inch O/C joists Drops onto 16 or 24 inch O.C. joists
Rough Opening 14.5 inch x 22.5 inch 14.5 inch x 22.5 inch 14.5 inch x 22.5 inch 14.5 inch x 22. 5 inch 22.5 inch x 26.5 inch 22.5 inch x 26.5 inch 22.5 inch x 26.5 inch 22.5 inch x 26.5 inch 14.5 inch x 36 inch
Attic Venting (NFA) 3.6 min, 5.5 recommended Not Applicable 4.3 min, 6 recommended 4.3 min, 6 recommended 4.6 min, 7 recommended 4.6 min, 7 recommended 7.1 min, 10 recommended 7.1 min, 10 recommended 7.1 min, 10 recommended
Recommended Attic Height 48" 40" 40" 48" 40" 48" 40" 48" 40"
Unit Size (l x w x h) 22.25 inch x 27.25 inch x 25.25 inch 22.25 inch x 27.25 inch x 25.25 inch plus duct 22.25 x 20.00 x 13.75 in (Damper Unit) 29.25 x 19.25 x 16.25 in (Damper Unit) 26.25 x 22.25 x 14.75 inch (Damper Unit) 33.25 x 26.25 x 19.25 in (Damper Unit) 26.25 x 22.25 x 14.75 inch (Damper Unit) 33.25 x 26.25 x 19.25 in (Damper Unit) 16 x 36 x 11 inch (Damper Unit)
Shipping Weight 38 lbs 68 90 lbs 110 lbs 110 lbs 130 lbs 110 lbs 130 lbs 110 lbs
Electrical 120VAC, 60hz, 2.0 amps 120VAC, 60hz, 2.0 amps 120VAC, 60hz 120VAC, 60hz 120VAC, 60hz 120VAC, 60hz 120VAC, 60hz 120VAC, 60hz 120VAC, 60hz
Warranty 3 Years 3 Years 3 Years 3 Years 3 Years 3 Years 3 Years 3 Years 3 Years


** Q-CFM™ is NOT HVI-916 'as-installed' airflow. Please see our blog for info