Air Changes per Hour (ACH)
Room Width (feet)
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
20
17.6 16.0 14.7 13.6 12.6 11.8 11.0 10.4
9.8
9.3
8.8
8.4
8.0
7.7
7.3
7.1
22
16.0 14.6 13.4 12.3 11.4 10.7 10.0
9.4
8.9
8.4
8.0
7.6
7.3
7.0
6.7
6.4
24
14.7 13.4 12.2 11.3 10.5
9.8
9.2
8.6
8.2
7.7
7.3
7.0
6.7
6.4
6.1
5.9
26
13.6 12.3 11.3 10.4
9.7
9.0
8.5
8.0
7.5
7.1
6.8
6.5
6.2
5.9
5.6
5.4
28
12.6 11.4 10.5
9.7
9.0
8.4
7.9
7.4
7.0
6.6
6.3
6.0
5.7
5.5
5.2
5.0
30
11.8 10.7
9.8
9.0
8.4
7.8
7.3
6.9
6.5
6.2
5.9
5.6
5.3
5.1
4.9
4.7
32
11.0 10.0
9.2
8.5
7.9
7.3
6.9
6.5
6.1
5.8
5.5
5.2
5.0
4.8
4.6
4.4
34
10.4
9.4
8.6
8.0
7.4
6.9
6.5
6.1
5.8
5.5
5.2
4.9
4.7
4.5
4.3
4.1
36
9.8
8.9
8.2
7.5
7.0
6.5
6.1
5.8
5.4
5.2
4.9
4.7
4.5
4.3
4.1
3.9
38
9.3
8.4
7.7
7.1
6.6
6.2
5.8
5.5
5.2
4.9
4.6
4.4
4.2
4.0
3.9
3.7
40
8.8
8.0
7.3
6.8
6.3
5.9
5.5
5.2
4.9
4.6
4.4
4.2
4.0
3.8
3.7
3.5
42
8.4
7.6
7.0
6.5
6.0
5.6
5.2
4.9
4.7
4.4
4.2
4.0
3.8
3.6
3.5
3.4
44
8.0
7.3
6.7
6.2
5.7
5.3
5.0
4.7
4.5
4.2
4.0
3.8
3.6
3.5
3.3
3.2
46
7.7
7.0
6.4
5.9
5.5
5.1
4.8
4.5
4.3
4.0
3.8
3.6
3.5
3.3
3.2
3.1
48
7.3
6.7
6.1
5.6
5.2
4.9
4.6
4.3
4.1
3.9
3.7
3.5
3.3
3.2
3.1
2.9
50
7.1
6.4
5.9
5.4
5.0
4.7
4.4
4.1
3.9
3.7
3.5
3.4
3.2
3.1
2.9
2.8
The table is based on 8 foot ceilings and a 940 CFM unit
EXCELLENT (12+ ACH)
VERY GOOD (9 - 12 ACH)
BETTER VENTILATION (7 - 9 ACH)
GOOD VENTILATION (5 – 7 ACH)
HEPA TOWER SPECIFICATIONS
Dimensions:
77 3/8” High x 27” Wide x 20 3/8” Deep
Weight:
172 lbs
Electrical:
120VAC, 60 Hz, Single Phase, 2.5A
Tested Airflow:
62 / 940 CFM (Low / High)
Tested Power:
10 / 272 Watts (Low / High)
Tested Noise*:
42 / 59 dBa (Low / High)
Controls:
Low Voltage, Digital Touch Controller, Optional Wireless Remote.
Speed Settings:
10
Timer:
12 Hours, in increments of 1 Hour.
Warranty:
3 years parts, 1 year remote.
no warranty on the filters
* Tested at 45° and 1 meter from source
MAINTENANCE
Replace The Tower’s Pre-Filter every 2-3 Months.
Actual Size: 23 3/8” x 23 3/8” x 1 3/4” (or 3/4”) MERV11 Filter.
Replace The Tower’s HEPA Filter every 1-2 Years.
Actual Size: 23 3/8” x 23 3/8” x 12” (H13) HEPA-Filter.
NOTE: Consider a used HEPA Filter “contaminated” and discard with care!
Clean exterior paneling / wheels using mild soap and a clean cloth.
Visually inspect the unit, wheels, paneling, air-inlet grille and air-exit louver for proper
functioning and fit.
HEPA TOWER Installation and Operation Manual, 0221
©AirScape, Inc., 2021. All Rights Reserved. Page 8
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