Airflow Data For Commercially Available Greenhouse Exhaust Fans

 

This listing of greenhouse fan airflow rates was obtained from manufacturers' catalogs and is displayed here for user convenience.  The listing is composed principally of data from 2003 catalogs.  It also contains data on fans from earlier catalogs and resources.  2003 fan specs supercede any older fan specifications found elsewhere.

 

Listed airflows were measured in cubic feet/minute (CFM) at 0.1 inch static pressure. Airflows for some fans were measured with no appurtenances in the airstream. Appurtenances are factors that reduce air flow such as shutters, guards, etc. Fans sold packaged with appurtenances have CFM measurements already adjusted. Failure to account for added appurtenances will increase estimated CFM slightly, yielding a slightly larger and completely safe screen design. However, slant, angle and tilt designs increase airflow rather than reduce it. Failure to account for slant, angle or tilt mounting will underestimate CFM and result in a screening area less than recommended for efficient operation. If you have a slant angle installation and are unsure if the CFM listing accounts for the slant, contact the manufacturer.

 

 

 

 

 

 

ACME MASTER-EX FANS (SLANT WALL) [www.acmehort.com/]

 

NO.     MODEL                      DIA/HP           CFM

1          DDP8B2                     8"/.125            890

2          DDP12B4                   12"/.1              1310

3          DDP14B4(-C)            14"/.1              1715

4          DDP14D4(-C)            14"/.2              2215

5          DDP18B4(-C)            18"/.1              2430

6          DDP18F4(-C)             18"/.33            4220

7          DDP24G6(-C)            24"/.5              6770

8          DDP30G6                   30"/.5              8220

9          DDP36G8                   36"/.5              9990

10        DDPS14B4-C             14"/.1              1500

11        DDPS14D4-C            14"/.2              1840

12        DDPS18B4-C             18"/.1              2060

13        DDPS18F4-C             18"/.33            3810

14        DDPS24G6-C            24"/.5              6500

15        DDPS30G6-C            30"/.5              8220

16        DDPS36G8-C            36"/.5              9460

17        DDPS361G8-C          36"/.5              9990

18        DDPS36G-C              36"/.5              11860

19        DDPS48J1-C              48"/1.0            20300

20        DDPS48J-C                48"/1.0            19100

21        DDPS48J8-C              48"/1.0            18200

22        DDPS48K-C              48"/1.5            22300

23        DDPS50J1-C              50"/1.0            23400

24        DDPS50J-C                50"/1.0            22600

25        DDPS50J3-C              50"/1.0            22700

26        DDPS50J3L-C           50"/1.0            18400

27        DDPS50JL-C             50"/1.0            17800

28        DDPS50K-C              50"/1.5            24700

 

ACME WINDMASTER ALUMINUM FANS

 

Note:  For 2-speed fans operated at low speed multiply CFM by one-half. (0.5)

 

NO.                 MODEL          DIA/HP           CFM (Square wall)                 CFM (Slant wall)

 1                     DCA24E         24"/.25                        4185                            4580

 2                     CDA24F         24"/.33                        5235                            5555

 3                     DCA24G         24"/.5                          6065                            6290

 4                     DCA24G-2S   24"/.5                          5575                            5820

 5                     DCA24H         24"/.75                        6985                            7195

 6                     DCA24H-2S   24"/.75                        6365                            6600

 7                     DCA30F         30"/.33                        7225                            7750

 8                     DCA30G         30"/.5                          8580                            8990

 9                     DCA30G-2S   30"/.5                          7515                            8005

10                    DCA30H         30".75                         9940                            10285

11                    DCA30H-2S   30"/.75                        9290                            9660

12                    DCA36F         36"/.33                        8555                            9345

13                    DCA36G         36"/.5                          10475                          11065

14                    DCA36G-2S   36"/.5                          9310                            10055

15                    DCA36H         36"/.75                        12225                          12785

16                    DCA36H-2S   36"/.75                        10585                          11235

17                    DCA36J          36"/1.0                        13775                          14175

18                    DCA42G         42"/.5                          12465                          13635

19                    DCA42G-2S   42"/.5                          11105                          12435

20                    DCA42H         42"/.75                        15190                          15940

21                    DCA42H-2S   42"/.75                        13950                          14800

22                    DCA42J          42"/1.0                        16980                          17620

23                    DCA48G         48"/.5                          14495                          16215

24                    DCA48G-2S   48"/.5                          12045                          14215

25                    DCA48H         48"/.75                        17625                          18825

26                    DCA48H-2S   48"/.75                        14805                          16445

27                    DCA48J          48"/1.0                        19420                          20440

28                    DCA54-4J       54"/1.0                        21920                          23870

29                    DCA54-4K     54"/1.5                        26000                          27610

 

ACME WINDMASTER STEEL FANS

 

Note:   For 2-speed fans operated at low speed, multiply CFM by one-half (0.5)

 

NO.                 MODEL                      DIA/HP           CFM (Square wall)     CFM (Slant wall)

1                      DC24E                        24"/.25            4530                            4950

2                      DC24F                        24"/.33            5655                            5960

3                      DC24G                       24"/.5              6450                            6715

4                      DC24G-2S                  24"/.5              5920                            6210

5                      DC24H                       24"/.75            7625                            7840

6                      DC24H-2S                  24"/.75            6955                            7195

7                      DC30F                        30"/.33            7400                            7985

8                      DC30G                       30"/.5              8840                            9305

9                      DC30G-2S                  30"/.5              7720                            8275

10                    DC30H                       30"/.75            10230                          10620

11                    DC30H-2S                  30"/.75            9550                            9970

12                    DC36F                        36"/.33            8790                            9570

13                    DC36G                       36"/.5              10550                          11190

14                    DC36G-2S                  36"/.5              9680                            10390

15                    DC36H                       36"/.75            12650                          13175

16                    DC36H-2S                  36"/.75            10985                          11595

17                    DC36J                         36"/1.0            14150                          14630

18                    DC42G                       42"/.5              12490                          13550

19                    DC42G-2S                  42"/.5              11125                          12385

20                    DC42H                       42"/.75            14970                          15815

21                    DC42H-2S                  42"/.75            13725                          14670

22                    DC42J                         42"/1.0            16760                          17500

23                    DC48G                       48"/.5              14650                          16220

24                    DC48G-2S                  48"/.5              12230                          14230

25                    DC48H                       48"/.75            17795                          19005

26                    DC48H-2S                  48"/.75            15080                          16585

27                    DC48J                         48"/1.0            19600                          20675

28                    DC48K                       48"/1.5            23450                          24335

29                    DC54J                         54"/1.0            22810                          24030

30                    DC54-4J                     54"/1.0            22660                          24560

31                    DC54K                       54"/1.5            25770                          26795

32                    DC54K-4K                 54"/1.5            26295                          27690

 

 

 

ACME SKYMASTER FANS

 

NO.     MODEL                      DIA/HP           CFM

 

1          EC30E                         30"/.25            4800

2          EC30F                         30"/.33            6170

3          EC36F                         36"/.33            7440

4          EC36G                        36"/.50            9010

5          EC42G                        42"/.50            10740

6          EC42H                        42"/.75            12930

7          EC42J                         42"/1.0            14530

 

ACME FCM COMPOSITE MASTER FANS

 

NO.     MODEL                      DIA/HP           CFM

1          FCM18F4                   18"/.33            3520

2          FCM24G6                  24"/.50            6340

 

ACME DYNAMASTER FANS

 

NO.     MODEL                      DIA/HP           CFM

 

1          FQ129                         12"/.11            1280

2          FQ16C6                      16"/.12            2020

3          FN18E4                      18"/.25            3165

 

ACME ECONOMY DIRECT DRIVE FANS

 

NO.     MODEL                      DIA/HP           CFM

 

1          AGD24G6-B              24"/.5              4720

2          AGD30G6-B              30"/.5              6375

3          AGD36J8-B                36"/.5              8895

4          AGD42J8-B                42"/1.0            13045

5          AGD48J8-B                48"/1.0            16615

 

AEROTECH APEX FANS [aerotech-inc.com]

 

NO.     CATALOG#               DIA/HP           CFM

                       

1          AX36G                        36"/.50            9600

2          AX36D1G                   36"/1.0            12880

3          AX365G                      36"/.50            10500

4          AX361G                      36"/1.0            14500

5          AX481G                      48"/1.0            20200

6          AX4815G                    48"/1.5            22500

7          AX482G                      48"/2.0            24490

8          AX511G                      51"/1.0            22600

9          AX5115G                    51"/1.5            24870

10        AX36TXCP                 36"/.50            10300

11        AX365TXCP               36"/.50            11100

12        AX481TXCP               48"/1.0            21400

13        AX4815TXCP             48"/1.5            23700

14        AX511TXCP               51"/1.0            23290

15        AX5115TXCP             51"/1.5            25570

16        AX36TXP                   36"/.50            9000

17        AX365TXP                 36"/.50            9700

18        AX481TXP                 48"/1.0            18500

19        AX4815TXP               48"/1.5            20500

20        AX36TXA                   36"/.50            9300

21        AX365TXA                 36"/.50            10000

22        AX481TXA                 48"/1.0            19100

23        AX4815TXA               48"/1.5            21200

 

AEROTECH ADVANTAGE FANS

 

NO.     CATALOG #  DIA/HP           CFM

 

1          AT18ZC          18"/.33            4240

2          AT24ZC          24"/.33            5750   

3          AT36ZC          36"/.50            10920

4          AT365ZC        36"/.50            10880

5          AT487ZC        48"/.75            18700

6          AT481ZC        48"/1.0            22000

7          AT4815ZC      48"/1.5            24800

8          AT6015ZC      60"/1.5            29970

9          AT602ZC        60"/2.0            33930

10        AT36ZG          36"/.50            9250

11        AT365ZG        36"/.50            9950

12        AT487ZG        48"/.75            16500

13        AT481ZG        48"/1.0            19400

14        AT4815ZG      48"/1.5            21500

 

AEROTECH CLASSIC FANS

 

NO.     CATALOG#               DIA/HP           CFM

 

1          AT36G(al.prop)          36"/.50            9610

2          AT36G(steel prop)      36"/.50            9130

3          AT365G(al.prop)        36"/.50            10500

4          AT365G(steel prop)    36"/.50            9975

5          AT427G(al.prop)        42"/.75            15300

6          AT427G(steel prop)    42"/.75            14688

7          AT481G(al.prop)        48"/1.0            20200

8          AT481G(steel prop)    48"/1.0            19594

9          AT4815G(al.prop)      48"/1.5            22480

10        AT4815G(steel prop)  48"/1.5            21806

 

AEROTECH GROWER FANS

 

NO.     CATALOG #  DIA/HP           CFM

 

1          GB18G           18"/.33            3840

2          GB24G           24"/.33            5390

3          GB36G           36"/.50            9800

4          GB365G         36"/.50            10300

5          GB48G           48"/1.0            17300

6          GB481G         48"/1.0            20900

7          GB4815G       48"/1.5            21700

8          GB36TXCP    36"/.50            10300

9          GB365TXCP  36"/.50            10900

10        GB48TXCP    48"/1.0            19700

11        GB481TXCP  48"/1.0            21900

12        GB4815TXCP 48"/1.5            24000

13        GB36TXP       36"/.50            9120

14        GB365TXP     36"/.50            9600

15        GB48TXP       48"/1.0            17300

16        GB481TXP     48"/1.0            19600

17        GB4815TXP   48"/1.5            20900

 

AEROTECH VORTEX FANS

 

NO.     CATALOG #  DIA/HP           CFM

 

1          VX26FCR       26"/.33            6990

2          VX517FCR     51"/.75            20300

3          VX511FCR     51"/1.0            24900

4          VX5115FCR   51"/1.5            28200

 

COOLAIR ALUMINUM FANS  [For specific fan information contact www.Coolair.com ]

 

NO.     MODEL                      DIA/HP           CFM

 

1          AL24G                        24"/.25            4880

2          AL24H                        24"/.33            5500

3          AL24J                         24"/.50            6500

4          AL24K                        24"/.75            7700

5          AL30G                        30"/.25            6250

6          AL30H                        30"/.33            7400

7          AL30J                         30"/.50            8650

8          AL30K                        30"/.75            10150

9          AL36H                        36"/.33            8450

10        AL36J                         36"/.50            10300

11        AL36K                        36"/.75            12550

12        AL36L                         36"/1.0            14350

13        AL42H                        42"/.33            9900

14        AL42J                         42"/.50            11950

15        AL42K                        42"/.75            14650

16        AL42L                         42"/1.0            17250

17        AL48J                         48"/.50            13750

18        AL48K                        48"/.75            17050

19        AL48L                         48"/1.0            20150

20        AL54L                         54"/1.0            21750

21        AL54M                       54"/1.5            25850

 

 

COOLAIR NBF FANS

 

NO.     MODEL                      DIA/HP           CFM

 

1          NBF24G                     24"/.25            4755

2          NBF24H                     24"/.33            5490

3          NBF24J                      24"/.50            6550

4          NBF24K                     24"/.75            7970

5          NBF30G                     30"/.25            6480

6          NBF30H                     30"/.33            7360

7          NBF30J                      30"/.50            9020

8          NBF30K                     30"/.75            10350

9          NBF36H                     36"/.33            8890

10        NBF36J                      36"/.50            10580

11        NBF36K                     36"/.75            12495

12        NBF36L                      36"/1.0            14360

13        NBF42J                      42"/.50            11925

14        NBF42K                     42"/.75            14930

15        NBF42L                      42"/1.0            16685

16        NBF48J                      48"/.50            14300

17        NBF48K                     48"/.75            17650

18        NBF48L                      48"/1.0            19220

19        NBFH48L                   48"/1.0            20800

20        NBF54L [NBFA54L] 54"/1.0            21360

21        NBF54M[NBFA54M]54"/1.5            26475

 

DAYTON FANS

 

NO.     MODEL                      DIA/HP           CFM

 

1          3F517                          36"/.33            7830

2          3C675                         36"/.50            9810

3          5C962                         36"/.50            9810

4          6B001                         36"/.50            9810

5          3C990                         42"/.75            13670

6          3F519                          48"/1.0            17495

7          6E840                          48"/1.0            17495

8          3F518                          36"/.33            8180

9          3C613                         36"/.50            9535

10        3C615                         36"/.50            9825

11        4B052                         36"/.50            8205

12        4B046                         36"/.50       &nbs