HVAC REQUIREMENTS IN LAUNDRIES
1. Indoor Design Conditions:
Area
Summer
Winter
HVAC Design
Degree C (Degree F)
Degree C (Degree F)
Manual Ref.
3.14.1.1
Laundry, General
28 (84) - 60% RH
19 (68)
2. Minimum Air Changes per Hour:
Area
Air Changes
HVAC Design
Manual Ref.
Laundry, General
10
Table 3-1
Soiled Linen
10
Table 3-1
Clean Linen
2
Table 3-1
3
Provide a dedicated AHU for laundry
2.2.10
4.
Provide ventilation, evaporative cooing or mechanical cooling.
3.14.1.1
5.
Maintain negative pressure in the laundry with respect to public
3.14.1.3
corridor or other occupied areas, and exhaust all air to outside.
6.
Maintain negative pressure in the soiled linen area with respect to
3.14.1.3
laundry area in general.
7.
Maintain clean linen area under positive pressure with respect to
3.14.1.3
laundry area in general.
8.
Use a lint filter and make -up air system to clean and re -circulate hot
3.14.2
dryer exhaust air back to dryer utilizing the dryer blower.
9.
Provide heat recovery, where possible.
3.14.2
10.
May reduce air change rate in laundry area during cooling and
3.14.2
heating season.
11.
Insulate heat producing equipment.
3.14.2
12.
Coordinate all requirements with actual equipment submitted.
3.14.3
Contact Satish Sehgal @ 202-565-5032, Kurt Knight @ 202-565-4663, Don Walden 202-565-5014 or Sat
Gupta @ 202-565-5268 for additional information.
September 2001
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