Solar attic fan information page

AURA SOLAR ATTIC FAN
uses both solar and wind power
for Energy Savings

attic solar fan
solar roof fan
The Aura Solar Attic Fan uses both solar and wind power for optimum ventilation performance both day and night. Other solar powered attic fans do not move air passively but the Aura Solar Fan does, just like a roof turbine ventilator (Whirly-Bird) but with no moving parts. Exhausting air passively (driven by wind) also removes hot air from the attic on summer evenings and cloudy days, thus lowering attic temperatures and reducing air conditioning loads.
solar attic fan pictures
solar attic fan specs
  • The panel wattage is oversized to the fans at a rate of 2 to 1
  • This results in a CFM production of angles up to 80 degrees
  • Quiet operation
  • Compact design
  • All aluminum construction
  • Exhausts air continuously even after the sun sets or on cloudy days
  • Aerodynamic internal cone increases performance
  • Negligible roof loading
  • Adaptable with all types of roofing materials
  • No curb required
  • Removeable head for easy maintenance
  • Works 24/7
  • Louver design passed Dade County Tests

Solar Fan Side Diagram

Dimensions & Specifications
ASF-4
ASF-6
ASF-8
ASF-10
ASF-12
ASF-14
ASF-16
ASF-18
ASF-20
ASF-24
ASF-30
A
Outside Diameter
7
9
11
14
16
18
20
23
25
29
36
B
Inside Diameter
4
6
8
10
12
14
16
18
20
24
30
C
Square Base
10
12
13
16
18
19
22
24
26
30
37R
D
Height of Head
8
8
8
8
8
8
10
11
12
14
14
E
Collar Height Options
2"
2
2
2
2
2
2
2
2
2
2
2
4"
4
4
4
4
4
4
4
4
4
4
4
6"
6
6
6
6
6
6
6
6
6
6
6
8"
8
8
8
8
8
8
8
8
8
8
8
12"
12
12
12
12
12
12
12
12
12
12
12
F
Total Height (Collar & Head)
2"
10
10
10
10
10
10
12
13
14
16
16
4"
12
12
12
12
12
12
14
15
16
18
18
6"
14
14
14
14
14
14
16
17
18
20
20
8"
16
16
16
16
16
16
18
19
20
22
22
12"
20
20
20
20
20
20
22
23
24
26
26
Net Free Vent Area (inches)
12
28
50
78
113
144
200
254
314
452
706
Net Free Vent Area (feet)
0.09
0.19
0.35
0.55
0.78
1.00
1.39
1.76
2.18
3.14
4.90
Application per sq ft
52
100
200
327
450
600
837
1,050
1,308
1,883
2,941
ASF-
36
ASF-
42
ASF-
48
ASF-
54
ASF-
60
ASF-
72
ASF-
84
ASF-
96
ASF-
120
A
Outside Diameter
43
48
54
63
69
81
93
105
129
B
Inside Diameter
36
42
48
54
60
72
84
96
120
C
Square Base
43R
49R
55R
64R
70R
82R
94R
106R
130R
D
Height of Head
14
18
18
18
25
25
50
50
50
E
Collar Height Options
2"
2
2
2
2
2
2
2
2
2
4"
4
4
4
4
4
4
4
4
4
6"
6
6
6
6
6
6
6
6
6
8"
8
8
8
8
8
8
8
8
8
12"
12
12
12
12
12
12
12
12
12
F
Total Height (Collar & Head)
2"
16
20
20
20
27
27
2
2
2
4"
18
22
22
22
29
29
4
4
4
6"
20
24
24
24
31
31
6
6
6
8"
22
26
26
26
33
33
8
8
8
12"
26
30
30
30
37
37
12
12
12
Net Free Vent Area (inches)
1,017
1,384
1,808
2,289
2,826
4,069
5,539
7,235
11,304
Net Free Vent Area (feet)
7.06
9.61
12.56
15.89
19.62
28.25
38.47
50.24
78.5
Application per sq ft
4,237
5,766
7,533
9,534
11,772
16,950
23,082
30,144
47,100
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