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A5.207.1 Space-Conditioning Equipment Certification by Manufacturers

California Green Building Standards Code 2022 > A6.1 Voluntary Standards for Health Facilities [OSHPD 1, 2 & 4] > A5.207 [OSHPD 1, 2 & 4] HVAC Design, Equipment and Installation > A5.207.1 Space-Conditioning Equipment Certification by Manufacturers
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Any space-conditioning equipment listed in this section may be installed only if the manufacturer has certified that the equipment complies with all the applicable requirements of this section.
TABLE A5.207.1-A
ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS—MINIMUM EFFICIENCY REQUIREMENTS
EQUIPMENT TYPE SIZE CATEGORY EFFICIENCY1 TEST PROCEDURE
Before 1/1/2010 After 1/1/2010
Air conditioners, Air cooled ≥ 65,000 Btu/h and < 135,000 Btu/h 10.3 EER2 11.2 EER2 ARI 340/360
≥ 135,000 Btu/h and < 240,000 Btu/h 9.7 EER2 11.0 EER2 ARI 340/360
≥ 240,000 Btu/h and < 760,000 Btu/h 9.5 EER2 and 9.7 IPLV2 10.0 EER2 and 9.7 IPLV2
≥ 760,000 Btu/h 9.2 EER2 and 9.4 IPLV2 9.7 EER2 and 9.4 IPLV2
Air conditioners, water and evaporatively cooled ARI 210/240
> 240,000 Btu/h 11.0 EER2 and 10.3 IPLV2 ARI 340/360
Condensing units, air cooled ≥ 135,000 Btu/h 10.1 EER and 11.2 IPLV ARI 365
Condensing units, water or evaporatively cooled ≥ 135,000 Btu/h 13.1 EER and 13.1 IPLV
  1. IPLVs are only applicable to equipment with capacity modulation.
  2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.
TABLE A5.207.1-B
UNITARY AND APPLIED HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTS
EQUIPMENT TYPE SIZE CATEGORY SUBCATEGORY OR
RATING CONDITION
 EFFICIENCY1 TEST
PROCEDURE
Before 1/1/2010 After 1/1/2010
Air cooled (cooling mode) ≥ 65,000 Btu/h and < 135,000 Btu/h Split system and single package 10.1 EER2 11.0 ARI 340/360
≥ 135,000 Btu/h and < 240,000 Btu/h 9.3 EER2 10.6
≥ 240,000 Btu/h 9.0 EER2 and 9.2 IPLV2 9.5 EER2 and 9.2 IPLV2
Air cooled (heating mode) ≥ 65,000 Btu/h and < 135,000 Btu/h (Cooling capacity) 47°F db/43°F wb outdoor air 3.2 COP 3.3 COP ARI 210/240
≥ 135,000 Btu/h (Cooling capacity) 47°F db/43°F wb outdoor air 3.1 COP 3.2 COP ARI 340/360
  1. IPLVs and Part load rating conditions are applicable only to equipment with capacity modulation.
  2. Deduct 0.2 from the required EERs and IPLVs for units with a heating section other than electric resistance heat.
TABLE A5.207.1-C
AIR-COOLED GAS-ENGINE HEAT PUMPS
EQUIPMENT TYPE SIZE CATEGORY SUBCATEGORY OR
RATING CONDITION
 EFFICIENCY1 TEST PROCEDURE
Air-cooled gas engine heat pump (cooling mode) All capacities 95°F db Outdoor air 0.60 COP ANSI Z21.40.4
Air-cooled gas engine heat pump (heating mode) All capacities 47°F db/43°F wb Outdoor air 0.72 COP ANSI Z21.40.4
TABLE A5.207.1-D
WATER CHILLING PACKAGES—MINIMUM EFFICIENCY REQUIREMENTS
EQUIPMENT TYPE SIZE CATEGORY EFFICIENCY TEST PROCEDURE
Air cooled, with condenser < 150 Tons 2.80 COP ARI 550/590
Electrically operated ≥ 150 Tons 3.05 IPLV
Air cooled, without condenser All Capacities 3.10 COP
Electrically operated 3.45 IPLV
Water cooled, electrically operated, positive displacement All Capacities 4.20 COP ARI 550/590
(Reciprocating) 5.05 IPLV
Water cooled, < 150 Tons 4.45 COP ARI 550/590
5.20 IPLV
Electrically operated, ≥ 150 Tons and 4.90 COP
Positive displacement < 300 Tons ≥ 300 Tons 5.60 IPLV
5.50 COP
(Rotary screw and scroll) 6.15 IPLV
Water cooled, electrically operated, centrifugal < 150 Tons 5.00 COP ARI 550/590
5.25 IPLV
≥ 150 Tons and < 300 Tons 5.55 COP
5.90 IPLV
≥ 300 Tons 6.10 COP
6.40 IPLV
Air cooled absorption, single effect All Capacities 0.60 COP ARI 560
Water cooled absorption, single effect All Capacities 0.70 COP
Absorption double effect, indirect-fired All Capacities 1.00 COP
1.05 IPLV
Absorption double effect, direct-fired All Capacities 1.00 COP
1.00 IPLV
Water cooled gas engine driven chiller All Capacities 1.2 COP ANSI Z21.40.4
2.0 IPLV
TABLE A5.207.1-E
PACKAGED TERMINAL AIR CONDITIONERS AND PACKAGED TERMINAL HEAT PUMPS — MINIMUM EFFICIENCY REQUIREMENTS
EQUIPMENT TYPE SIZE CATEGORY (input) SUBCATEGORY OR
RATING CONDITION
 EFFICIENCY1 TEST PROCEDURE
PTAC (cooling mode) new construction All Capacities 95°F db outdoor air 12.5 — (0.213 × Cap/1000)1 EER ARI 310/380
PTAC (cooling mode) replacements2 10.9 — (0.213 × Cap/1000)1 EER
PTHP (cooling mode) new construction 12.3 — (0.213 × Cap/1000)1 EER
PTHP (cooling mode) replacements2 10.8 — (0.213 × Cap/1000)1 EER
PTHP (heating mode) new construction 3.2 — (0.026 × Cap/1000)1 COP
PTHP (heating mode) replacements2 2.9 — (0.026 × Cap/1000)1 COP
SPVAC (cooling mode) < 65,000 Btu/h 95°F db/75°F wb outdoor air 9.0 EER ARI 390
≥ = 65,000 Btu/h and < 135,000 Btu/h 8.9 EER
≥ =135,000 Btu/h and < 240,000 Btu/h 8.6 EER
SPVHP (cooling mode) < 65,000 Btu/h 9.0 EER
≥ = 65,000 Btu/h and < 135,000 Btu/h 8.9 EER
≥ =135,000 Btu/h and < 240,000 Btu/h 8.6 EER
SPVHP (heating mode) < 65,000 Btu/h 47°F db/43°F wb outdoor air 3.0 COP
≥ = 65,000 Btu/h and < 135,000 Btu/h 3.0 COP
≥ =135,000 Btu/h and < 240,000 Btu/h 2.9 COP
  1. Cap means the rated cooling capacity of the product in Btu/h. If the unit's capacity is less than 7,000 Btu/h, use 7,000 Btu/h in the calculation. If the unit's capacity is greater than 15,000 Btu/h, use 15,000 Btu/h in the calculation.
  2. Replacement units must be factory labeled as follows: MANUFACTURED FOR REPLACEMENT APPLICATIONS ONLY; NOT TO BE INSTALLED IN NEW CONSTRUCTION PROJECTS. Replacement efficiencies apply only to units with existing sleeves less than 16 inches high and less than 42 inches wide.
TABLE A5.207.1-G
PERFORMANCE REQUIREMENTS FOR HEAT REJECTION EQUIPMENT4
EQUIPMENT TYPE TOTAL SYSTEM HEAT
REJECTION CAPACITY AT
RATED CONDITIONS		 SUBCATEGORY OR
RATING CONDITION
 PERFORMANCE
REQUIRED1,2
 TEST PROCEDURE3
Propeller or axial fan open cooling towers All 95°F entering water ≥ 38.2 gpm/hp CTI ATC-105
85°F leaving water and
75°F wb outdoor air CTI STD-201
Centrifugal fan open cooling towers All 95°F entering water ≥ 20.0 gpm/hp CTI ATC-105
85°F leaving water and
75°F wb outdoor air CTI STD-201
Air cooled condensers All 125°F condensing temperature ≥ 176,000 Btu/h•hp ARI 460
R22 test fluid
190°F entering gas temperature
15°F subcooling
95°F entering drybulb
  1. For purposes of this table, open cooling tower performance is defined as the maximum flow rating of the tower divided by the fan nameplate rated motor power.
  2. For purposes of this table air-cooled condenser performance is defined as the heat rejected from the refrigerant divided by the fan nameplate rated motor power.
  3. Open cooling towers shall be tested using the test procedures in CTI ATC-105. Performance of factory assembled open cooling towers shall be either certified as base models as specified in CTI STD-201 or verified by testing in the field by a CTI approved testing agency. Open factory assembled cooling towers with custom options added to a CTI certified base model for the purpose of safe maintenance or to reduce environmental or noise impact shall be rated at 90 percent of the CTI certified performance of the associated base model or at the manufacturer's stated performance, whichever is less. Base models of open factory assembled cooling towers are open cooling towers configured in exact accordance with the Data of Record submitted to CTI as specified by CTI STD-201. There are no certification requirements for field erected cooling towers.
  4. The efficiencies for open cooling towers listed in Table A5.207.1-G are not applicable for closed-circuit cooling towers.
TABLE A5.207.1-H
COPS FOR NONSTANDARD CENTRIFUGAL CHILLERS < 150 TONS
CENTRIFUGAL CHILLERS < 150 Tons
COPstd = 5.0
CONDENSER FLOW RATE
2 gpm/ton 2.5 gpm/ton 3 gpm/ton 4 gpm/ton 5 gpm/ton 6 gpm/ton
Leaving
Chilled Water
Temperature (°F)		 Entering
Condenser Water
Temperature (°F)		 LIFT1
(°F)
 Required COP
46 75 29 5.58 5.83 6.03 6.32 6.54 6.70
45 75 30 5.50 5.74 5.92 6.19 6.38 6.53
44 75 31 5.42 5.65 5.82 6.07 6.24 6.37
43 75 32 5.35 5.57 5.72 5.95 6.11 6.23
42 75 33 5.27 5.49 5.64 5.85 6.00 6.11
41 75 34 5.19 5.41 5.56 5.75 5.89 5.99
46 80 34 5.19 5.41 5.56 5.75 5.89 5.99
40 75 35 5.11 5.33 5.48 5.67 5.79 5.88
45 80 35 5.11 5.33 5.48 5.67 5.79 5.88
44 80 36 5.03 5.26 5.40 5.58 5.70 5.79
43 80 37 4.94 5.18 5.32 5.50 5.62 5.70
42 80 38 4.84 5.10 5.25 5.43 5.53 5.61
41 80 39 4.73 5.01 5.17 5.35 5.46 5.53
46 85 39 4.73 5.01 5.17 5.35 5.46 5.53
40 80 40 4.62 4.92 5.09 5.27 5.38 5.45
45 85 40 4.62 4.92 5.09 5.27 5.38 5.45
44 85 41 4.49 4.82 5.00 5.20 5.30 5.38
43 85 42 4.35 4.71 4.91 5.12 5.23 5.30
42 85 43 4.19 4.59 4.81 5.03 5.15 5.22
41 85 44 4.02 4.46 4.70 4.94 5.06 5.14
40 85 45 3.84 4.32 4.58 4.84 4.98 5.06
Condenser DT2 14.04 11.23 9.36 7.02 5.62 4.68
  1. LIFT = Entering Condenser Water Temperature (°F) — Leaving Chilled Water Temperature (°F)
  2. Condenser DT = Leaving Condenser Water Temperature (°F) — Entering Condenser Water Temperature (°F)
    Kadj = 6.1507 — 0.30244(×) + 0.0062692(×)2 — 0.000045595(×)3
    where × = Condenser DT + LIFT
    COPadj = Kadj * COPstd
TABLE A5.207.1-I
COPS FOR NONSTANDARD CENTRIFUGAL CHILLERS > 150 TONS, ≤ 300 TONS
CENTRIFUGAL CHILLERS > 150 TONS, ≤ 300 TON
COPstd = 5.55
CONDENSER FLOW RATE
2 gpm/ton 2.5 gpm/ton 3 gpm/ton 4 gpm/ton 5 gpm/ton 6 gpm/ton
Leaving
Chilled Water
Temperature (°F)		 Entering
Condenser Water
Temperature (°F)		 LIFT1
(°F)
 Required COP
46 75 29 6.17 6.44 6.66 6.99 7.23 7.40
45 75 30 6.08 6.34 6.54 6.84 7.06 7.22
44 75 31 6.00 6.24 6.43 6.71 6.90 7.05
43 75 32 5.91 6.15 6.33 6.58 6.76 6.89
42 75 33 5.83 6.07 6.23 6.47 6.63 6.75
41 75 34 5.74 5.98 6.14 6.36 6.51 6.62
46 80 34 5.74 5.98 6.14 6.36 6.51 6.62
40 75 35 5.65 5.90 6.05 6.26 6.40 6.51
45 80 35 5.65 5.90 6.05 6.26 6.40 6.51
44 80 36 5.56 5.81 5.97 6.17 6.30 6.40
43 80 37 5.46 5.73 5.89 6.08 6.21 6.30
42 80 38 5.35 5.64 5.80 6.00 6.12 6.20
41 80 39 5.23 5.54 5.71 5.91 6.03 6.11
46 85 39 5.23 5.54 5.71 5.91 6.03 6.11
40 80 40 5.10 5.44 5.62 5.83 5.95 6.03
45 85 40 5.10 5.44 5.62 5.83 5.95 6.03
44 85 41 4.96 5.33 5.55 5.74 5.86 5.94
43 85 42 4.81 5.21 5.42 5.66 5.78 5.86
42 85 43 4.63 5.08 5.31 5.56 5.69 5.77
41 85 44 4.45 4.93 5.19 5.46 5.60 5.69
40 85 45 4.24 4.77 5.06 5.35 5.50 5.59
Condenser DT2 14.04 11.23 9.36 7.02 5.62 4.68
  1. LIFT = Entering Condenser Water Temperature (°F) — Leaving Chilled Water Temperature (°F)
  2. Condenser DT = Leaving Condenser Water Temperature (°F) — Entering Condenser Water Temperature (°F)
    Kadj = 6.1507 — 0.30244(×) + 0.0062692(×)2 — 0.000045595(×)3
    where × = Condenser DT + LIFT
    COPadj = Kadj * COPstd
TABLE A5.207.1-J
COPS FOR NONSTANDARD CENTRIFUGAL CHILLERS > 300 TONS
CENTRIFUGAL CHILLERS > 300 TONS
COPstd = 6.1
CONDENSER FLOW RATE
2 gpm/ton 2.5 gpm/ton 3 gpm/ton 4 gpm/ton 5 gpm/ton 6 gpm/ton
Leaving
Chilled Water
Temperature (°F)		 Entering
Condenser Water
Temperature (°F)		 LIFT1
(°F)
 Required COP
46 75 29 6.80 7.11 7.35 7.71 7.97 8.16
45 75 30 6.71 6.99 7.21 7.55 7.78 7.96
44 75 31 6.61 6.89 7.09 7.40 7.61 7.77
43 75 32 6.52 6.79 6.98 7.26 7.45 7.60
42 75 33 6.43 6.69 6.87 7.13 7.31 7.44
41 75 34 6.33 6.60 6.77 7.02 7.18 7.30
46 80 34 6.33 6.60 6.77 7.02 7.18 7.30
40 75 35 6.23 6.50 6.68 6.91 7.06 7.17
45 80 35 6.23 6.50 6.68 6.91 7.06 7.17
44 80 36 6.13 6.41 6.58 6.81 6.95 7.05
43 80 37 6.02 6.31 6.49 6.71 6.85 6.94
42 80 38 5.90 6.21 6.40 6.61 6.75 6.84
41 80 39 5.77 6.11 6.30 6.52 6.65 6.74
46 85 39 5.77 6.11 6.30 6.52 6.65 6.74
40 80 40 5.63 6.00 6.20 6.43 6.56 6.65
45 85 40 5.63 6.00 6.20 6.43 6.56 6.65
44 85 41 5.47 5.87 6.10 6.33 6.47 6.55
43 85 42 5.30 5.74 5.98 6.24 6.37 6.46
42 85 43 5.11 5.60 5.86 6.13 6.28 6.37
41 85 44 4.90 5.44 5.72 6.02 6.17 6.27
40 85 45 4.68 5.26 5.58 5.90 6.07 6.17
Condenser DT2 14.04 11.23 9.36 7.02 5.62 4.68
  1. LIFT = Entering Condenser Water Temperature (°F) — Leaving Chilled Water Temperature (°F)
  2. Condenser DT = Leaving Condenser Water Temperature (°F) — Entering Condenser Water Temperature (°F)
    Kadj = 6.1507 — 0.30244(×) + 0.0062692(×)2 — 0.000045595(×)3
    where × = Condenser DT + LIFT
    COPadj = Kadj * COPstd
TABLE A5.207.1-K
COPS FOR NONSTANDARD CENTRIFUGAL CHILLERS < 150 TONS
CENTRIFUGAL CHILLERS < 150 TONS
COPstd = 5.25
CONDENSER FLOW RATE
2 gpm/ton 2.5 gpm/ton 3 gpm/ton 4 gpm/ton 5 gpm/ton 6 gpm/ton
Leaving
Chilled Water
Temperature (°F)		 Entering
Condenser Water
Temperature (°F)		 LIFT1
(°F)
 Required COP
46 75 29 5.84 6.10 6.30 6.61 6.84 7.00
45 75 30 5.75 6.00 6.19 6.47 6.68 6.83
44 75 31 5.67 5.91 6.08 6.34 6.53 6.67
43 75 32 5.59 5.82 5.99 6.23 6.39 6.52
42 75 33 5.51 5.74 5.90 6.12 6.27 6.39
41 75 34 5.43 5.66 5.81 6.02 6.16 6.26
46 80 34 5.43 5.66 5.81 6.02 6.16 6.26
40 75 35 5.35 5.58 5.73 5.93 6.06 6.15
45 80 35 5.35 5.58 5.73 5.93 6.06 6.15
44 80 36 5.26 5.50 5.65 5.84 5.96 6.05
43 80 37 5.16 5.42 5.57 5.76 5.87 5.96
42 80 38 5.06 5.33 5.49 5.67 5.79 5.87
41 80 39 4.95 5.24 5.41 5.60 5.71 5.78
46 85 39 4.95 5.24 5.41 5.60 5.71 5.78
40 80 40 4.83 5.14 5.32 5.52 5.63 5.70
45 85 40 4.83 5.14 5.32 5.52 5.63 5.70
44 85 41 4.69 5.04 5.253 5.43 5.55 5.62
43 85 42 4.55 4.93 5.13 5.35 5.47 5.54
42 85 43 4.38 4.80 5.03 5.26 5.38 5.46
41 85 44 4.21 4.67 4.91 5.17 5.30 5.38
40 85 45 4.01 4.52 4.79 5.06 5.20 5.29
Condenser DT2 14.04 11.23 9.36 7.02 5.62 4.68
  1. LIFT = Entering Condenser Water Temperature (°F) — Leaving Chilled Water Temperature (°F)
  2. Condenser DT = Leaving Condenser Water Temperature (°F) — Entering Condenser Water Temperature (°F)
    Kadj = 6.1507 — 0.30244(×) + 0.0062692(×)2 — 0.000045595(×)3
    where × = Condenser DT + LIFT
    COPadj = Kadj * COPstd
TABLE A5.207.1-L
IPLV/NPLV FOR NONSTANDARD CENTRIFUGAL CHILLERS > 150 TONS, < 300 TONS
CENTRIFUGAL CHILLERS > 150 TONS, < 300 TONS
IPLVstd = 5.9
CONDENSER FLOW RATE
2 gpm/ton 2.5 gpm/ton 3 gpm/ton 4 gpm/ton 5 gpm/ton 6 gpm/ton
Leaving
Chilled Water
Temperature (°F)		 Entering
Condenser Water
Temperature (°F)		 LIFT1
(°F)
 Required COP
46 75 29 6.58 6.87 7.11 7.46 7.71 7.90
45 75 30 6.49 6.76 6.98 7.30 7.53 7.70
44 75 31 6.40 6.66 6.98 7.15 7.36 7.52
43 75 32 6.31 6.56 6.75 7.02 7.21 7.35
42 75 33 6.22 6.47 6.65 6.90 7.07 7.20
41 75 34 6.13 6.38 6.55 6.79 6.95 7.06
46 80 34 6.13 6.38 6.55 6.79 6.95 7.06
40 75 35 6.03 6.29 6.46 6.68 6.83 6.94
45 80 35 6.03 6.29 6.46 6.68 6.83 6.94
44 80 36 5.93 6.20 6.37 6.58 6.72 6.82
43 80 37 5.82 6.11 6.28 6.49 6.62 6.72
42 80 38 5.71 6.01 6.19 6.40 6.53 6.62
41 80 39 5.58 5.91 6.10 6.31 6.44 6.52
46 85 39 5.58 5.91 6.10 6.31 6.44 6.52
40 80 40 5.44 5.80 6.00 6.22 6.35 6.43
45 85 40 5.44 5.80 6.00 6.22 6.35 6.43
44 85 41 5.29 5.68 5.903 6.13 6.26 6.34
43 85 42 5.13 5.55 5.79 6.03 6.16 6.25
42 85 43 4.94 5.41 5.67 5.93 6.07 6.16
41 85 44 4.74 5.26 5.54 5.82 5.97 6.07
40 85 45 4.52 5.09 5.40 5.71 5.87 5.97
Condenser DT2 14.04 11.23 9.36 7.02 5.62 4.68
  1. LIFT = Entering Condenser Water Temperature (°F) — Leaving Chilled Water Temperature (°F)
  2. Condenser DT = Leaving Condenser Water Temperature (°F) — Entering Condenser Water Temperature (°F)
    Kadj = 6.1507 — 0.30244(×) + 0.0062692(×)2 — 0.000045595(×)3
    where × = Condenser DT + LIFT
    COPadj = Kadj * COPstd
TABLE A5.207.1-M
COPS FOR NONSTANDARD CENTRIFUGAL CHILLERS > 300 TONS
CENTRIFUGAL CHILLERS > 300 TONS
IPLVstd = 6.4
CONDENSER FLOW RATE
2 gpm/ton 2.5 gpm/ton 3 gpm/ton 4 gpm/ton 5 gpm/ton 6 gpm/ton
Leaving
Chilled Water
Temperature (°F)		 Entering
Condenser Water
Temperature (°F)		 LIFT1
(°F)
 Required COP
46 75 29 7.15 7.47 7.72 8.10 8.37 8.58
45 75 30 7.05 7.35 7.58 7.93 8.18 8.36
44 75 31 6.95 7.23 7.45 7.77 8.00 8.16
43 75 32 6.85 7.13 7.33 7.63 7.83 7.98
42 75 33 6.75 7.03 7.22 7.49 7.68 7.82
41 75 34 6.65 6.93 7.12 7.37 7.55 7.67
46 80 34 6.65 6.93 7.12 7.37 7.55 7.67
40 75 35 6.55 6.83 7.01 7.26 7.42 7.54
45 80 35 6.55 6.83 7.01 7.26 7.42 7.54
44 80 36 6.44 6.73 6.92 7.15 7.30 7.41
43 80 37 6.32 6.63 6.82 7.05 7.19 7.30
42 80 38 6.20 6.53 6.72 6.95 7.09 7.19
41 80 39 6.06 6.42 6.62 6.85 6.99 7.08
46 85 39 6.06 6.42 6.62 6.85 6.99 7.08
40 80 40 5.91 6.30 6.52 6.76 6.89 6.98
45 85 40 5.91 6.30 6.52 6.76 6.89 6.98
44 85 41 5.75 6.17 6.403 6.66 6.79 6.89
43 85 42 5.57 6.03 6.28 6.55 6.70 6.79
42 85 43 5.37 5.88 6.16 6.44 6.59 6.69
41 85 44 5.15 5.71 6.01 6.33 6.49 6.59
40 85 45 4.91 5.53 5.86 6.20 6.37 6.48
Condenser DT2 14.04 11.23 9.36 7.02 5.62 4.68
  1. LIFT = Entering Condenser Water Temperature (°F) — Leaving Chilled Water Temperature (°F)
  2. Condenser DT = Leaving Condenser Water Temperature (°F) — Entering Condenser Water Temperature (°F)
    Kadj = 6.1507 — 0.30244(×) + 0.0062692(×)2 — 0.000045595(×)3
    where × = Condenser DT + LIFT
    COPadj = Kadj * COPstd
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