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ACH Table

The document provides recommended fan capacities in cubic feet per minute (CFM) for kitchen, bathroom, and other room areas of different square footages. It also lists recommended air change rates per hour (AC/H) for various types of building and room uses. Recommended air change rates range from 2 to 30 AC/H depending on the space and intended use.

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Josef Madrona
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129 views2 pages

ACH Table

The document provides recommended fan capacities in cubic feet per minute (CFM) for kitchen, bathroom, and other room areas of different square footages. It also lists recommended air change rates per hour (AC/H) for various types of building and room uses. Recommended air change rates range from 2 to 30 AC/H depending on the space and intended use.

Uploaded by

Josef Madrona
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
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ROOM FAN CAP. IN CFM FOR A FAN CAP. IN CFM FOR A FAN CAP.

IN CFM FOR
AREA IN KITCHEN BATHROOM IN OTHER ROOMS
SQ.FT.

35 N/A 40 N/A
45 N/A 50 N/A
55 N/A 60 45
65 N/A 70 55
75 150 80 60
85 170 90 70
95 190 100 80
100 200 110 80
125 250 140 100
150 300 160 120
175 350 N/A 140
200 400 N/A 160
225 450 N/A 180
250 500 N/A 200
310 620 N/A 250
375 750 N/A 300
435 870 N/A 350
500 1000 N/A 400
560 1120 N/A 450
625 1250 N/A 500

EQUIVALENT AIR AIR CHANGE RATE EQUIVALENT AIR AIR CHANGE EQUIVALENT AIR AIR CHANGE
CHANGE (AC/H) CHANGE RATE (AC/H) CHANGE RATE (AC/H)

TYPE OF BLDG/RM DRUG SHOPS 6 TO 10 PAPER MILLS 15 TO 20


ALL SPACES IN GEN. min 4 ENGINE ROOMS 4 TO 6 TEXTILE MILLS 4
ATTIC SPACES FOR COOLING 12 to 15 FACTORY BLDG OR. 2 TO 4 TEXTILE DYE MILLS 15 TO 20
AUDITORIUMS 8 to 15 FACTORY BLDG FUMES 10 TO 15 MUNICIPAL BLDGS 4 TO 10
BANKS 4 to 10 FIRE STATIONS 4 TO 10 MUSEUMS 12 TO 15
BARBER SHOPS 6 to 10 FOUNDRIES 15 TO 20 PUBLIC OFFICES 3
BARS 20to 30 GALVANIZING PLANTS 20 TO 30 PRIVATE OFFICES 4
BEAUTY SHOPS 6 to 10 GARAGE REPAIR 20 TO 30 POLICE STATIONS 4 TO 10
BOILER RMS 15 to 20 GARAGE STORAGE 4 TO 6 POST OFFICES 4 TO 10
BOWLING ALLEY 10 to 15 HOMES NIGHT COOLING 10 TO 18 PRECISION MFG. 15 TO 50
CAFEs 12 to 15 JEWELRY SHOPS 6 TO 10 PUMP ROOMS 5
CHURCHES 8 to 15 KITCHENS 15 TO 60 RESTAURANTS 8 TO 12
CLUBHOUSES 20 to 30 LAUNDRIES 10 TO 15 RETAIL 6 TO 10
COCKTAIL LOUNGES 20 to 30 PUBLIC LIBRARIES 0-04 SCHOOL CLASS RM 4 TO 12
COMPUTER ROOMS 15 to 20 LUNCH ROOMS 12 TO 15 SHOE SHOP 6 TO 10
COURT HOUSES 4 to 10 LUNCHEONETTES 12 TO 15 SHOPPING CENTER 6 TO 10
DENTAL CENTERS 8 to 12 NIGHTCLUBS 20 TO 30 MACHINE SHOPS 5
DEPT.STORES 6 to 10 MALLS 6 TO 10 PAINT SHOPS 15 TO 20
DINING HALL 12 to 15 MEDICAL CENTERS 8 TO 12 WOOD WRKING SHP 5
DINING RMS HOTELS 5 MEDICAL CLINICS 8 TO 12 ELEC. SUBSTATION 5 TP 10
DRESS SHOPS 6 to 10 MEDICAL OFFICES 8 TO 12 SUPERMARKETS 4 TO 10
TOWN HALLS 4 TO 10 THEATERS 8 TO 15 WAREHOUSES 2
TAVERNS 20 TO 30 ELEC. TURBINE RMS 5 TO 10 WAITING RMS PUBLIC 4

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