Pro-Size Water Heater Sizing
A. O. Smith Home
A. O. Smith Corporate
~BRANDNAME~
Schools Sizing
Complete the equipment settings and application sizing fields to have Pro-Size calculate the estimated hot water loads. When ready click the "Continue" button to view the recommended A. O. Smith heaters for your project.
Switch to SI/Metric units...
System Settings
Equipment:
Water Heaters Only (no external storage)
Water Heaters with external storage if required
Commercial Tankless Heaters (no storage)
Boilers with external storage tank
Fuel Type:
Natural Gas
Liquid Propane
Electric
Oil
Dual Fuel (Oil / Gas)
Heat Pump / Electric
Equipment Location:
Indoor
Outdoor
Other Requirements:
Low NOx
Ultra Low NOx
ASME Approved
- Requirements of < 40 ng/J or 55 PPM
- Requirements of < 14 ng/J or 20 PPM
Display CDN Products:
# of Heaters:
Not Specified (Auto)
1
2
3
4
5
6
Altitude:
Less than 2000 ft
2000 ft to 3000 ft
3000 ft to 4000 ft
4000 ft to 5000 ft
5000 ft to 6000 ft
6000 ft to 7000 ft
7000 ft to 8000 ft
8000 ft to 9000 ft
9000 ft to 10000 ft
10000 ft to 11000 ft
11000 ft to 12000 ft
Electricity Cost:
$ Per KWH
Storage Settings
Approx. Capacity:
25%
30%
40%
50%
60%
70%
80%
90%
100%
125%
150%
200%
of first hour load
# of Storage Tanks:
Not Specified (Auto)
1
2
3
4
New Tank Capacity:
Not Specified (Auto)
50
80
100
119
120
125
140
175
200
250
300
325
350
375
400
450
500
550
600
650
700
750
800
900
1000
1250
1500
1750
1800
2000
2250
2500
3000
3500
4000
4500
5000
6000
7500
8000
10000
12500
USG Each
Existing Storage:
No
Yes
Capacity:
USG
Minimum Existing Volume
The minimum existing storage value for A. O. Smith projects is 80 USG. The value has been adjusted
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Application Data
Temperatures
Cold Water Temp:
°F
Stored Water Temp:
°F
Load Profile
School Type:
Elementary School
Middle / High School
More Info...
School Type
Demand per Student (usgph)
Max. Daily per Student (usg)
Elementary School
0.6
1.0
Middle / High School
1.0
3.6
Peak Demand Period:
Hours
Shower Loads
Shower Heads:
Flowrate:
usgpm
Shower Demand Period:
5 minutes
8 minutes
10 minutes
12 minutes
15 minutes
20 minutes
25 minutes
30 minutes
35 minutes
40 minutes
45 minutes
Shower Recovery Time:
10 minutes
15 minutes
20 minutes
25 minutes
30 minutes
35 minutes
40 minutes
45 minutes
50 minutes
55 minutes
1 Hour
1.5 Hours
2 Hours
2.5 Hours
3 Hours
3.5 Hours
4 Hours
Other Application Loads
Students:
Bradley Washfountain (Full):
Bradley Washfountain (Half):
Private Lavatory:
Public Lavatory:
Dishwasher:
Demand:
usgph
Foot Basin:
Kitchen Sink:
Pantry Sink:
Service Sink:
Food Services Loads
Include Food Service Loads
Peak Demand Period:
Hours
Meals Served:
Per Day
Vegetable Sink:
Single Pot Sink:
Double Pot Sink:
Triple Pot Sink:
Pre-scraper (open type):
Pre-flush (hand operated):
Pre-flush (closed type):
Recirculating Pre-flush:
Bar Sink:
Lavatories:
Mop/Slop Sink:
Dishwashers
Model 1 - Quantity:
Capacity:
USGPH @
140
180
°F
Model 2 - Quantity:
Capacity:
USGPH @
140
180
°F
Pot Washers
Model 1 - Quantity:
Capacity:
USGPH @
140
180
°F
Model 2 - Quantity:
Capacity:
USGPH @
140
180
°F
View equipment lists...
View equipment lists...
Additional Load and Intentional Oversize
Additional Load:
usgph
(@ stored temp)
Design Oversize
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Load Summary
Peak Demand:
0 USGPH
Temperature Rise:
100 °F
Volume Per Peak:
0 USG
Minimum Usable Storage:
0 USG
180 °F Demand:
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