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Part 6: Cooling Load Rules of Thumb

158

300–400 Sq.Ft./Ton; 30–40 Btuh/Sq.Ft.; 25–28 Btuh/Sq.Ft.; 0.75–0.93 1.0–3.0 CFM/Sq.Ft. 0.5–1.5 CFM/Sq.Ft. 1.0–1.5 CFM/Sq.Ft. 4–10 AC/Hr.

6.01 Offices, Commercial

Total Heat Total Heat Room Sens. Heat SHR Perimeter Spaces Interior Spaces Building Block CFM Air Change Rate

A. General:

1. 2. 3. 4. 5. 6. 7. 8.

225–275 Sq.Ft./Ton 43–53 Btuh/Sq.Ft.

B. Large, Perimeter:

1. Total Heat 2. Total Heat

325–375 Sq.Ft./Ton 32–37 Btuh/Sq.Ft.

300–350 Sq.Ft./Ton 34–40 Btuh/Sq.Ft.

C. Large, Interior:

1. Total Heat 2. Total Heat D. Small:

1. Total Heat 2. Total Heat

(Range 230–520) (Range 23–52) (Range 19–37)

C. Room Sens. Heat

B. Total Heat

A. Total Heat

4–10 AC/Hr.

0.75–0.90

28–38 Btuh/Sq.Ft.

48–60 Btuh/Sq.Ft.

200–250 Sq.Ft./Ton

(Range 35–75)

(Range 160–340)

6.02 Banks, Court Houses, Municipal Buildings, Town Halls

D. SHR

(Range 21–48)

E. Air Change Rate

250–350 Sq.Ft./Ton

(Range 20–40)

(Range 30–60)

(Range 200–400)

6.03 Police Stations, Fire Stations, Post Offices A. Total Heat

25–35 Btuh/Sq.Ft.

34–48 Btuh/Sq.Ft.

0.75–0.90

B. Total Heat

D. SHR

4–10 AC/Hr.

C. Room Sens. Heat

E. Air Change Rate

PA RT 6

70


69

80–240 Btuh/Sq.Ft.

64–228 Btuh/Sq.Ft.

0.80–0.95

2.0–4.0 CFM/Sq.Ft.

15–20 AC/Hr.

B. Total Heat

C. Room Sens. Heat

D. SHR

E. Air Flow

F. Air Change Rate

66903533 )‫خط‬10( :‫تولید کنند‌ه د‌ستگاه‌های تهویه مطبوع تلفن‬

48–120 Btuh/Sq.Ft.

21–62 Btuh/Sq.Ft.

0.65–0.80

1.5–4.0 CFM/Sq.Ft.

8–12 AC/Hr.

B. Total Heat

C. Room Sens. Heat

D. SHR

E. Air Flow

F. Air Change Rate

(Range 20–80)

(Range 40–155)

(Range 75–300)

150–350 Sq.Ft./Ton

34–80 Btuh/Sq.Ft.

20–56 Btuh/Sq.Ft.

0.60–0.70

1.5–2.5 CFM/Sq.Ft.

12–15 AC/Hr.

A. Total Heat

B. Total Heat

C. Room Sens. Heat

‫مهکوه تهویه‬

D. SHR

E. Air Flow

F. Air Change Rate

(At 85°F. Space)

(At 85°F. Space)

(At 85°F. Space)

6.07 Kitchens (Depends Primarily on Kitchen Equipment)

100–250 Sq.Ft./Ton

A. Total Heat

6.06 Restaurants

50–150 Sq.Ft./Ton

A. Total Heat

6.05 Computer Rooms

10–50 AC/Hr.

E. Air Change Rate

32–228 Btuh/Sq.Ft.

C. Room Sens. Heat

0.80–0.95

40–240 Btuh/Sq.Ft.

B. Total Heat

D. SHR

50–300 Sq.Ft./Ton

A. Total Heat

6.04 Precision Manufacturing

Cooling Load Rules of Thumb

2 59

360

1.5–4.0 CFM/Sq.Ft.

E. Spaces

20–30 AC/Hr.

Night Clubs

Cocktail Lounges, Bars, Taverns, Clubhouses

(Range 20–80)

(Range 40–155)

32–46 Btuh/Sq.Ft. 0.75–0.85

C. Room Sens. Heat D. SHR

40–120 Btuh/Sq.Ft.

100–300 Sq.Ft./Ton

(Range 25–50)

(Range 30–60)

(Range 200–400)

E. Air Change Rate

D. SHR

C. Room Sens. Heat

B. Total Heat

A. Total Heat

8–12 AC/Hr.

0.75–0.85

32–46 Btuh/Sq.Ft.

40–48 Btuh/Sq.Ft.

250–300 Sq.Ft./Ton

(Range 25–50)

(Range 30–60)

(Range 200–400)

6.11 Medical/Dental Centers, Clinics, and Offices

B. Total Heat

A. Total Heat

6.10 Buildings w/100% OA Systems (i.e., Laboratories, Hospitals)

40–48 Btuh/Sq.Ft.

250–300 Sq.Ft./Ton

B. Total Heat

A. Total Heat

6.09 Hospital Patient Rooms, Nursing Home Patient Rooms

G. Air Change Rate

15–20 AC/Hr.

0.65–0.80

D. SHR

F. Air Change Rate

27–40 Btuh/Sq.Ft.

60–80 Btuh/Sq.Ft.

B. Total Heat C. Room Sens. Heat

150–200 Sq.Ft./Ton

A. Total Heat

(Range 75–300)

‫مل تک‬

6.08 Cocktail Lounges, Bars, Taverns, Clubhouses, Nightclubs

22040376 :‫ تولید کنند ه و وارد کنند ه د ستگاه های تهویه مطبوع تلفن‬

PA RT 6

0912 448 0 416

SMS

‫سرویس پیام کوتاه‬


Cooling Load Rules of Thumb

A. Total Heat

48–120 Btuh/Sq.Ft.

100–250 Sq.Ft./Ton

(Range 20–80)

(Range 40–155)

(Range 75–300)

562

500–700 Sq.Ft./Ton

B. Total Heat

21–62 Btuh/Sq.Ft.

4 61

A. Total Heat 17–24 Btuh/Sq.Ft.

C. Room Sens. Heat

6.17 Dining Halls, Lunch Rooms, Cafeterias, Luncheonettes

B. Total Heat 12–20 Btuh/Sq.Ft.

6.12 Residential

C. Room Sens. Heat

(Range 300–500)

(Range 160–375)

400–500 Sq.Ft./Ton

(Range 20–40)

(Range 300–600)

225–275 Sq.Ft./Ton

(Range 35–80)

(Range 150–350)

D. SHR

C. Room Sens. Heat

B. Total Heat

A. Total Heat

8–12 AC/Hr.

0.80–0.90

22–32 Btuh/Sq.Ft.

34–48 Btuh/Sq.Ft.

250–350 Sq.Ft./Ton

(Range 20–50)

(Range 30–75)

(Range 160–400)

D. SHR

C. Room Sens. Heat

B. Total Heat

A. Total Heat

6–10 AC/Hr.

0.65–0.90

32–43 Btuh/Sq.Ft.

40–60 Btuh/Sq.Ft.

200–300 Sq.Ft./Ton

(Range 16–43)

(Range 24–60)

(Range 200–500)

E. Air Change Rate

D. SHR

C. Room Sens. Heat

B. Total Heat

A. Total Heat

6–10 AC/Hr.

0.65–0.90

23–54 Btuh/Sq.Ft.

53–69 Btuh/Sq.Ft.

175–225 Sq.Ft./Ton

(Range 15–90)

(Range 35–115)

(Range 100–350)

6.20 Drug, Shoe, Dress, Jewelry, Beauty, Barber, and Other Shops

E. Air Change Rate

6.19 Retail, Department Stores

E. Air Change Rate

6.18 Libraries, Museums

12–15 AC/Hr.

0.65–0.80

350–450 Sq.Ft./Ton (Range 24–40)

250–300 Sq.Ft./Ton (Range 32–74)

24–30 Btuh/Sq.Ft.

A. Total Heat

43–53 Btuh/Sq.Ft.

(Range 20–65)

1.5–4.0 CFM/Sq.Ft.

D. SHR

A. Total Heat 27–34 Btuh/Sq.Ft. (Range 20–35)

A. Total Heat 40–48 Btuh/Sq.Ft. (Range 25–60)

A. Total Heat

(Range 15–35)

B. Total Heat

25–42 Btuh/Sq.Ft.

F. Air Change Rate

0.80–0.95

B. Total Heat 22–30 Btuh/Sq.Ft.

B. Total Heat 32–46 Btuh/Sq.Ft.

B. Total Heat

20–25 Btuh/Sq.Ft.

C. Room Sens. Heat

0.65–0.80

E. Spaces

D. SHR

C. Room Sens. Heat 0.80–0.95

6.13 Apartments (Eff., 1 Room, 2 Room)

D. SHR

C. Room Sens. Heat 0.75–0.90

6.14 Motel and Hotel Public Spaces

D. SHR

C. Room Sens. Heat 0.80–0.95

6.15 Motel and Hotel Guest Rooms, Dormitories

D. SHR

D. SHR

4–12 AC/Hr.

6.16 School Classrooms

E. Air Change Rate

PA RT 6

68

‫مهکوه تهویه‬

66903533 )‫خط‬10( :‫تولید کنند‌ه د‌ستگاه‌های تهویه مطبوع تلفن‬

Rules of thumb  

B. Total Heat D. Small: 6 .0 3 P o li c e S t a t io n s , F ir e S t a t io n s , P o s t O f f ic e s (Range 30–60) (Range 21–48) (Range 2...

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