# Chiller Total Cost of Ownership Calculator - BetterBricks

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BetterBricks Simple Calculator - CHILLER TOTAL COST OF OWNERSHIP ESTIM

Chiller Evaluated:               575 ton Carrier 23XRV tripple rotor variable speed

Net Present Value of Total Cost of Ownership =           \$                  -             for

Minimum Required Tons =            575                  at            44       Degrees F. Leaving Evaporator W
Operating Tons* =   575                 575                 518           460           403
85
Entering          80
Condenser             75
Water               70
Temperature            65
(ECWT)°F              60
55
575       Total Chiller Tons @ 85 degree F. ECWT and
Condenser Design GPM and Pressure Drop                                                 1800       GPM
Evaporator Design GPM and Pressure Drop                                     789        GPM
Building Condenser Water Pressure Drop @ Design GPM not including condenser pressure drop
Building Chilled Water Pressure Drop @ Design GPM not including evaporator pressure drop

Bid Price of Chiller =                                   Include variations in installation costs
Utility Incentive =                                   This is often the incremental cost diff
Net Chiller Cost =    \$                           -   This may equal the cost of the least e
Bid Price of Full Maintenance Contract =                                       Contract Duration =
Annual Hours of Operation =                                 -
Annual Chiller KWH =                                -
Ballpark Annual Pumping KWH =                                   -   GPM x Ft Head x (.746/.92) x Annual
Cost of Electricity per KWH =     \$                       0.060
Annual Chiller Electric Costs =    \$                         -
Ballpark Annual Pumping Electric Costs =       \$                         -
Total Annual Electric Cost =     \$                         -
Annual O&M Cost =        \$                         -   Full Maintenance Contract price divid
Total First Year Operating Costs =      \$                         -
Annual Electricity Inflation Rate =                     3%              Reasonable default might be 3%
Annual O&M Inflation Rate =                        6%              Reasonable default might be 6%
Discount Rate =                     6%              Reasonable default might be 4% to 6
Anticipated Years of Chiller Use =                     25              Total Costs of Ownership (TCO) will b

Tons                    575           518             460                 403            345         288
KWH/YR          0       0       0       0       0       0
Hours/YR
KW/ton         0.000   0.000   0.000   0.000   0.000   0.000
ECWT at Load    75       75      70      70     65       65

85      80      75      70      70      70
OST OF OWNERSHIP ESTIMATOR 3.0

eed

25         years

egrees F. Leaving Evaporator Water Temperature (LEWT)
345            288             230           173          115

44        degree F. LEWT
Ft of Head                  Building Pumping energy can be added to your calculations but it is not necessar
Ft of Head                  would be a good place to compare piping and control variables.

clude variations in installation costs, package pricing, etc.
his is often the incremental cost difference between a code compliant chiller and a more efficient and expensive chiller.
his may equal the cost of the least expensive code compliant chiller.
ontract Duration =                7.0       years           Pick a long enough contract duration to include all major sechduled maintenance.

PM x Ft Head x (.746/.92) x Annual Hrs x       0.000308     equals full speed KWH/Yr

ull Maintenance Contract price divided by number of years.

easonable default might be 3%
easonable default might be 6%
easonable default might be 4% to 6%
otal Costs of Ownership (TCO) will be evaluated over this period of time.

LE
230            173             115        100% to 20% in 10% increments
0       0       0

0.000   0.000   0.000
65      65      65    Approximate ECWT (condenser water temperatures entering the chiller) in 5˚ increments.
Default Condenser Temperature Value Suggestions which you may choose to provide to vend
70      65      60     offering. These numbers might work in the Puget Sound area but can vary dramatically depe
levels.
System designer will provide information for YELLOW cells.

Chiller vendor will provide information for BLUE cells. Use ARI certified KW/ton
values in each of the BLUE cells to the right. Vendor will also provide total chiller
tons and heat exchanger pressure drops at design GPM.

ng Pumping energy can be added to your calculations but it is not necessary for selecting a chiller. This
d be a good place to compare piping and control variables.

and a more efficient and expensive chiller.

h contract duration to include all major sechduled maintenance.

0% increments
WT (condenser water temperatures entering the chiller) in 5˚ increments.
r Temperature Value Suggestions which you may choose to provide to vendors to help them select an
umbers might work in the Puget Sound area but can vary dramatically depending on your humidity
BetterBricks Simple Calculator - CHILLER TOTAL COST OF OWNERSHIP ESTIMATOR 3.0

Chiller Evaluated:                600 ton Carrier 19XRV Variable Speed Centrifugal Chiller

Present Value of Total Cost of Ownership =          \$                -               for           25        years

Minimum Required Tons =           600                 at           42        Degrees F. Leaving Evaporator Water Temperature (LEWT)
Operating Tons* =   600                600             540             480            420             360            300            240           180          120                          System designer will provide information for YELLOW cells.
85
80
Entering
75                                                                                                                                                                    Chiller vendor will provide information for BLUE cells. Use ARI certified KW/ton
Condenser Water
70                                                                                                                                                                   values in each of the BLUE cells to the right. Vendor will also provide total chiller
Temperature
65                                                                                                                                                                                tons and heat exchanger pressure drops at design GPM.
(ECWT)°F
60
55
600       Total Chiller Tons @ 85 degree F. ECWT and                                          42       degree F. LEWT
Condenser Design GPM and Pressure Drop                                                1800       GPM            at                  24.4      Ft of Head
Evaporator Design GPM and Pressure Drop                                    789       GPM                        at                  8.0       Ft of Head
Building Condenser Water Pressure Drop @ Design GPM not including condenser pressure drop                                                     Ft of Head                   Building Pumping energy can be added to your calculations but it is not necessary for selecting a chiller. This
Building Chilled Water Pressure Drop @ Design GPM not including evaporator pressure drop                                                      Ft of Head                   would be a good place to compare piping and control variables.

Bid Price of Chiller =                                  Include variations in installation costs, package pricing, etc.
Utility Incentive =   \$                          -   This is often the incremental cost difference between a code compliant chiller and a more efficient and expensive chiller.
Net Chiller Cost =    \$                          -   This may equal the cost of the least expensive code compliant chiller.
Bid Price of Full Maintenance Contract =                                  Contract Duration =               7.0        years           Pick a long enough contract duration to include all major sechduled maintenance.
Annual Hours of Operation =                               -
Annual Chiller KWH =                              -
Ballpark Annual Pumping KWH =                                 -   GPM x Ft Head x (.746/.92) x Annual Hrs x      0.000308 equals full speed KWH/Yr
Cost of Electricity per KWH =     \$                     0.060 From Input 1 worksheet
Annual Chiller Electric Costs =    \$                       -
Ballpark Annual Pumping Electric Costs =      \$                       -
Total Annual Electric Cost =    \$                       -
Annual O&M Cost =       \$                       -   Typically maintenance cost but could be fuel savings (as negative value), etc.
Total First Year Operating Costs =     \$                       -
Annual Electricity Inflation Rate =                   3%              From "Input 1" worksheet
Annual O&M Inflation Rate =                       6%              From "Input 1" worksheet
Discount Rate =                    6%              From "Input 1" worksheet
Anticipated Years of Chiller Use =                    25              From "Input 1" worksheet

Tons                     600           540            480              420             360         300                240           180            120        100% to 20% in 10% increments
KWH/YR                     0            0               0               0                0           0                  0             0              0
Hours/YR                   0            0               0               0                0           0                  0             0              0
KW/ton                  0.000         0.000          0.000            0.000           0.000       0.000              0.000         0.000          0.000
ECWT at Load              75           75              70              70               65          65                 65            65             65        Approximate ECWT (condenser water temperatures entering the chiller) in 5˚ increments.
Default Condenser Temperature Value Suggestions which you may choose to provide to vendors to help them select an
85             80             75                 70           70              70             70             65             60        offering. These numbers might work in the Puget Sound area but can vary dramatically depending on your temperature
and humidity levels.
BetterBricks Simple Calculator - CHILLER TOTAL COST OF OWNERSHIP ESTIM

Chiller Evaluated:                600 Ton York Variable Speed Centrifugal

Present Value of Total Cost of Ownership =        \$              -              for

Minimum Required Tons =             600              at         44       Degrees F. Leaving Evaporator Water
Operating Tons* =   600                  600             540        480           420
85
Entering             80
Condenser             75
Water                70
Temperature             65
(ECWT)°F               60
55
600        Total Chiller Tons @ 85 degree F. ECWT and
Condenser Design GPM and Pressure Drop                                            1800      GPM
Evaporator Design GPM and Pressure Drop                                  789      GPM
Building Condenser Water Pressure Drop @ Design GPM not including condenser pressure drop
Building Chilled Water Pressure Drop @ Design GPM not including evaporator pressure drop

Bid Price of Chiller =                            Include variations in installation costs, pac
Utility Incentive =                            This is often the incremental cost differen
Net Chiller Cost =    \$                    -   This may equal the cost of the least expen
Bid Price of Full Maintenance Contract =                                Contract Duration =
Annual Hours of Operation =                         -
Annual Chiller KWH =                        -
Ballpark Annual Pumping KWH =                           -   GPM x Ft Head x (.746/.92) x Annual Hrs x
Cost of Electricity per KWH =     \$               0.060 From Input 1 worksheet
Annual Chiller Electric Costs =    \$                 -
Ballpark Annual Pumping Electric Costs =       \$                 -
Total Annual Electric Cost =     \$                 -
Annual O&M Cost =        \$                 -   Typically maintenance cost but could be f
Total First Year Operating Costs =      \$                 -
Annual Electricity Inflation Rate =               3%             From "Input 1" worksheet
Annual O&M Inflation Rate =                  6%             From "Input 1" worksheet
Discount Rate =               6%             From "Input 1" worksheet
Anticipated Years of Chiller Use =               25             From "Input 1" worksheet

Tons                     600           540             480             420        360        300
KWH/YR                    0             0               0               0          0          0
Hours/YR         0       0       0       0       0       0
KW/ton         0.000   0.000   0.000   0.000   0.000   0.000
ECWT at Load    75       75      70      70      65      65

85      80      75      70      70      70
COST OF OWNERSHIP ESTIMATOR 3.0

25        years

egrees F. Leaving Evaporator Water Temperature (LEWT)
360            300            240            180             120

44       degree F. LEWT
Ft of Head                   Building Pumping energy can be added to your calculations but it is not necessar
Ft of Head                   would be a good place to compare piping and control variables.

clude variations in installation costs, package pricing, etc.
his is often the incremental cost difference between a code compliant chiller and a more efficient and expensive chiller.
his may equal the cost of the least expensive code compliant chiller.
ontract Duration =                7.0       years           Pick a long enough contract duration to include all major sechduled maintenance.

PM x Ft Head x (.746/.92) x Annual Hrs x       0.000308     equals full speed KWH/Yr
rom Input 1 worksheet

ypically maintenance cost but could be fuel savings (as negative value), etc.

rom "Input 1" worksheet
rom "Input 1" worksheet
rom "Input 1" worksheet
rom "Input 1" worksheet

FILE
240            180            120        100% to 20% in 10% increments
0              0              0
0       0       0
0.000   0.000   0.000
65      65      65    Approximate ECWT (condenser water temperatures entering the chiller) in 5˚ increments.
Default Condenser Temperature Value Suggestions which you may choose to provide to vend
70      65      60     offering. These numbers might work in the Puget Sound area but can vary dramatically depe
levels.
System designer will provide information for YELLOW cells.

Chiller vendor will provide information for BLUE cells. Use ARI certified KW/ton
values in each of the BLUE cells to the right. Vendor will also provide total chiller
tons and heat exchanger pressure drops at design GPM.

ing Pumping energy can be added to your calculations but it is not necessary for selecting a chiller. This
d be a good place to compare piping and control variables.

and a more efficient and expensive chiller.

h contract duration to include all major sechduled maintenance.

0% increments
WT (condenser water temperatures entering the chiller) in 5˚ increments.
r Temperature Value Suggestions which you may choose to provide to vendors to help them select an
umbers might work in the Puget Sound area but can vary dramatically depending on your humidity

25 Study Period (Years)                                                                             25 Study Period (Years)
3% Electricity Inflation Rate                                                                       3% Electricity Inflation Rate
6.0% Annual O&M Inflation Rate                                                                      6.0% Annual O&M Inflation Rate
6.0% Discount Rate                                                                                  6.0% Discount Rate

\$0 Initial Net Cost                                                                         \$         - Initial Net Cost
\$         - First Year Electric Costs                                                               \$         - First Year Electric Costs
\$         - Annual O&M Cost                                                                         \$         - Annual O&M Cost

Annual Cash Flow                                                                                     Ann

Cost
Operating       Maint. Contract,                   Value of Total
Year          Costs         Costs           etc.             Total Costs       Costs                Year          Costs
0 \$           -                                     \$            -   \$                -             0 \$           -
1                 \$           -   \$             -   \$            -   \$                -             1
2                 \$           -   \$             -   \$            -   \$                -             2
3                 \$           -   \$             -   \$            -   \$                -             3
4                 \$           -   \$             -   \$            -   \$                -             4
5                 \$           -   \$             -   \$            -   \$                -             5
6                 \$           -   \$             -   \$            -   \$                -             6
7                 \$           -   \$             -   \$            -   \$                -             7
8                 \$           -   \$             -   \$            -   \$                -             8
9                 \$           -   \$             -   \$            -   \$                -             9
10                 \$           -   \$             -   \$            -   \$                -            10
11                 \$           -   \$             -   \$            -   \$                -            11
12                 \$           -   \$             -   \$            -   \$                -            12
13                 \$           -   \$             -   \$            -   \$                -            13
14                 \$           -   \$             -   \$            -   \$                -            14
15                 \$           -   \$             -   \$            -   \$                -            15
16                 \$           -   \$             -   \$            -   \$                -            16
17                 \$           -   \$             -   \$            -   \$                -            17
18                 \$           -   \$             -   \$            -   \$                -            18
19                 \$           -   \$             -   \$            -   \$                -            19
20                 \$           -   \$             -   \$            -   \$                -            20
21                 \$           -   \$             -   \$            -   \$                -            21
22                 \$           -   \$             -   \$            -   \$                -            22
23                 \$           -   \$             -   \$            -   \$                -            23
24                 \$           -   \$             -   \$            -   \$                -            24
25                 \$           -   \$             -   \$            -   \$                -            25
26                 N/A             N/A               N/A              N/A                           26
27                 N/A             N/A               N/A              N/A                           27
28                 N/A             N/A               N/A              N/A                           28
29                 N/A             N/A               N/A              N/A                           29
30           N/A       N/A       N/A       N/A                30
Totals        \$   -   \$     -   \$     -   \$     -   \$     -   Totals        \$   -
Inputs Linked from "Input 2" Page                                                                    Inputs Linked from "Input 3" Page

Study Period (Years)                                                                              25 Study Period (Years)
Electricity Inflation Rate                                                                       3% Electricity Inflation Rate
Annual O&M Inflation Rate                                                                       6.0% Annual O&M Inflation Rate
Discount Rate                                                                                   6.0% Discount Rate

Initial Net Cost                                                                         \$         - Initial Net Cost
First Year Electric Costs                                                                \$         - First Year Electric Costs
Annual O&M Cost                                                                          \$         - Annual O&M Cost

Annual Cash Flow                                                                                     Annual Cash Flow

Cost
Operating          Maint. Contract,                   Value of Total                                   Operating
Costs              etc.             Total Costs       Costs                Year          Costs         Costs
\$            -   \$                -             0 \$           -
\$            -   \$             -   \$            -   \$                -             1                 \$            -
\$            -   \$             -   \$            -   \$                -             2                 \$            -
\$            -   \$             -   \$            -   \$                -             3                 \$            -
\$            -   \$             -   \$            -   \$                -             4                 \$            -
\$            -   \$             -   \$            -   \$                -             5                 \$            -
\$            -   \$             -   \$            -   \$                -             6                 \$            -
\$            -   \$             -   \$            -   \$                -             7                 \$            -
\$            -   \$             -   \$            -   \$                -             8                 \$            -
\$            -   \$             -   \$            -   \$                -             9                 \$            -
\$            -   \$             -   \$            -   \$                -            10                 \$            -
\$            -   \$             -   \$            -   \$                -            11                 \$            -
\$            -   \$             -   \$            -   \$                -            12                 \$            -
\$            -   \$             -   \$            -   \$                -            13                 \$            -
\$            -   \$             -   \$            -   \$                -            14                 \$            -
\$            -   \$             -   \$            -   \$                -            15                 \$            -
\$            -   \$             -   \$            -   \$                -            16                 \$            -
\$            -   \$             -   \$            -   \$                -            17                 \$            -
\$            -   \$             -   \$            -   \$                -            18                 \$            -
\$            -   \$             -   \$            -   \$                -            19                 \$            -
\$            -   \$             -   \$            -   \$                -            20                 \$            -
\$            -   \$             -   \$            -   \$                -            21                 \$            -
\$            -   \$             -   \$            -   \$                -            22                 \$            -
\$            -   \$             -   \$            -   \$                -            23                 \$            -
\$            -   \$             -   \$            -   \$                -            24                 \$            -
\$            -   \$             -   \$            -   \$                -            25                 \$            -
N/A              N/A               N/A              N/A                           26                 N/A
N/A              N/A               N/A              N/A                           27                 N/A
N/A              N/A               N/A              N/A                           28                 N/A
N/A              N/A               N/A              N/A                           29                 N/A
N/A       N/A       N/A       N/A                30           N/A
\$     -   \$     -   \$     -   \$     -   Totals        \$   -   \$     -
Inputs Linked from "Input 3" Page

Annual Cash Flow

Cost
Maint. Contract,                   Value of Total
etc.             Total Costs       Costs
\$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
\$             -   \$           -   \$                -
N/A               N/A             N/A
N/A               N/A             N/A
N/A               N/A             N/A
N/A               N/A             N/A
N/A       N/A       N/A
\$     -   \$     -   \$     -

```
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 views: 61 posted: 8/3/2011 language: English pages: 22