Heads up: There are no amended sections in this chapter.
This section applies only to the equipment described below.
Other equipment installed in new buildings shall comply with the requirements of this section.
Other equipment installed in additions to existing buildings shall comply with the requirements of this section.
Alterations to other building service equipment or systems shall comply with the requirements of this section applicable to those specific portions of the building and its systems that are being altered.

Any new equipment subject to the requirements of this section that is installed in conjunction with the alterations as a direct replacement of existing equipment or control devices shall comply with the specific requirements applicable to that equipment or control devices.

Exception to 10.1.1.3.2

Compliance shall not be required for the relocation or reuse of existing equipment.

Compliance with Section 10 shall be achieved by meeting all requirements of Section 10.1, "General"; Section 10.4, "Mandatory Provisions"; and Section 10.8, "Product Information."
Projects using the Energy Cost Budget Method (Section 11 of this standard) must comply with Section 10.4, the mandatory provisions of this section, as a portion of that compliance path.

Electric motors manufactured alone or as a component of another piece of equipment with a rated motor power of 1 hp or more, and less than or equal to 200 hp, shall comply with the requirements shown in Table 10.8-1 for NEMA Design A motors, NEMA Design B motors, and IEC Design N motors, and Table 10.8-2 for NEMA Design C motors and IEC Design H motors.

General purpose small electric motors with an rated motor power of 0.25 hp or more, and less than or equal to 3 hp, shall have a minimum average full-load efficiency that is not less than as shown in Table 10.8-3 for polyphase small electric motors and Table 10.8-4 for capacitor-start capacitor-run small electric motors and capacitor-start induction-run small electric motors.

Fire pump electric motors shall have a minimum nominal full-load efficiency that is not less than that shown in Table 10.8-5.

Exception to 10.4.1

The standards in this section do not apply to the following exempt electric motors:

  1. Air-over electric motors.
  2. Component sets of an electric motor.
  3. Liquid-cooled electric motors.
  4. Submersible electric motors.
  5. Inverter-only electric motors.

Service water pressure-booster systems shall be designed such that the following apply:

  1. One or more pressure sensors shall be used to vary pump speed and/or start and stop pumps. The sensors shall either be located near the critical fixtures that determine the pressure required, or logic shall be employed that adjusts the set point to simulate operation of remote sensors.
  2. No devices shall be installed for the purpose of reducing the pressure of all of the water supplied by any booster system pump or booster system, except for safety devices.
  3. No booster system pumps shall operate when there is no service water flow.
Elevator systems shall comply with the requirements of this section.
For the luminaires in each elevator cab, not including signals and displays, the sum of the lumens divided by the sum of the watts (as described in Section 9.1.4) shall be no less than 35 lm/W.
Cab ventilation fans for elevators without air conditioning shall not consume over 0.33 W/cfm at maximum speed.
When stopped and unoccupied with doors closed for over 15 minutes, cab interior lighting and ventilation shall be de-energized until required for operation.

Design documents shall list the following for new elevators:

  1. Usage category as defined in ISO 25745-2 between 1 and 6.
  2. Energy efficiency classes A through G per ISO 25745-2, Table 7.
New traction elevators with a rise of 75 feet or more in new buildings shall have a power conversion system that complies with Sections 10.4.3.5.1 through 10.4.3.5.3.
Induction motors with a Class IE2 efficiency ratings, as defined by IEC EN 60034-30, or alternative technologies, such as permanent magnet synchronous motors that have equal or better efficiency, shall be used.
Transmissions shall not reduce the efficiency of the combined motor/transmission below that shown for the Class IE2 motor for elevators with capacities below 4,000 lbs. Gearless machines shall be assumed to have a 100% transmission efficiency.
Potential energy released during motion shall be recovered with a regenerative drive that supplies electrical energy to the building electrical system.
Escalators and moving walks shall automatically slow to the minimum permitted speed in accordance with ASME A17.1/CSA B44 or applicable local code when not conveying passengers.
An escalator designed either for one-way down operation only or for reversible operation shall have a variable frequency regenerative drive that supplies electrical energy to the building electrical system when the escalator is loaded with passengers whose combined weight exceeds 750 pounds.
Measurement devices shall be installed at the building site to monitor the energy use of each new building.

Measurement devices shall be installed to monitor the building use of the following types of energy supplied by a utility, energy provider, or plant that is not within the building:

  1. Natural gas.
  2. Fuel oil.
  3. Propane.
  4. Steam.
  5. Chilled water.
  6. Hot water.

The energy use of each building on the building site shall be recorded at a minimum of every 60 minutes and reported at least hourly, daily, monthly, and annually. The system shall be capable of maintaining all data collected for a minimum of 36 months and creating user reports showing at least hourly, daily, monthly, and annual energy consumption and demand.

Exceptions to 10.4.5.1 and 10.4.5.2

  1. Buildings or additions less than 25,000 ft2.
  2. Individual tenant spaces less than 10,000 ft2.
  3. Dwelling units.
  4. Residential buildings with less than 10,000 ft2 of common area.
  5. Fuel used for on-site emergency equipment.

Commercial kitchen equipment shall comply with the minimum efficiency requirements of Tables 10.4.6-1 through 10.4.6-5.

Table 10.4.6-1 Minimum Efficiency Requirements: Commercial Fryers
Heavy-Load Cooking Idle Energy Rate Test Procedure
Standard Open Deep-Fat Gas Fryers ≥ 50% ≤ 9,000 Btu/hr ASTM Standard F1361-17
Large Vat Open Deep-Fat Gas Fryers ≥ 50% ≤ 12,000 Btu/hr
Standard Open Deep-Fat Electric Fryers ≥ 83% ≤ 800 watts ASTM Standard F2144-17
Large Vat Open Deep-Fat Electric Fryers ≥ 80% ≤ 1,100 watts
Table 10.4.6-2 Minimum Efficiency Requirements: Commercial Hot Food Holding Cabinets
Product Interior Volume (Cubic Feet) Maximum Idle Energy Consumption
Rate (Watts)
Test Procedure
0 < V < 13 ≤ 21.5 V ASTM Standard F2140-11
13 ≤ V < 28 ≤ 2.0 V + 254.0
28 ≤ V ≤ 3.8 V + 203.5
Table 10.4.6-3 Minimum Efficiency Requirements: Commercial Steam Cookers
Fuel Type Pan Capacity Cooking Energy Idle Rate Test Procedure
Electric Steam 3-pan 50% 400 watts ASTM Standard F1484-18
4-pan 50% 530 watts
5-pan 50% 670 watts
6-pan and larger 50% 800 watts
Gas Steam 3-pan 38% 6,250 Btu/h
4-pan 38% 8,350 Btu/h
5-pan 38% 10,400 Btu/h
6-pan and larger 38% 12,500 Btu/h
  1. Cooking Energy Efficiency is based on heavy load (potato) cooking capacity.
Table 10.4.6-4 Minimum Efficiency Requirements: Commercial Dishwashers
Machine Type High Temperature Efficiency
Requirements
Low Temperature Efficiency
Requirements
Test Procedure
Idle Energy
Ratea
Water
Consumptionb
Idle Energy
Ratea
Water
Consumptionb
Under Counter ≤ 0.50 kW ≤ 0.86 GPR ≤ 0.50 kW ≤ 1.19 GPR ASTM F1696-18
Stationary Single Tank Door ≤ 0.70 kW ≤ 0.89 GPR ≤ 0.60 kW ≤ 1.18 GPR
Pot, Pan, and Utensil ≤ 1.20 kW ≤ 0.58 GPSF ≤ 1.00 kW ≤ 0.58 GPSF
Single Tank Conveyor ≤ 1.50 kW ≤ 0.70 GPR ≤ 1.50 kW ≤ 0.79 GPR ASTM F1920-15
Multiple Tank Conveyor ≤ 2.25 kW ≤ 0.54 GPR ≤ 2.00 kW ≤ 0.54 GPR
Single Tank Flight Type Reported GPH ≤ 2.975× + 55.00 Reported GPH ≤ 2.975× + 55.00
Multiple Tank Flight Type Reported GPH ≤ 4.96× + 17.00 Reported GPH ≤ 4.96× + 17.00
  1. Idle results shall be measured with the door closed and represent the total idle energy consumed by the machine including all tank heater(s) and controls. Booster heater (internal or external) energy consumption should not be part of this measurement unless it cannot be separately monitored per US EPA Energy Star Commercial Dishwasher Specification Version 2.0.
  2. GPR = gallons per rack; GPSF = gallons per square foot of rack; GPH = gallons per hour; x = sf of conveyer belt (i.e., W*L/min (maximum conveyor speed).
Table 10.4.6-5 Minimum Efficiency Requirements: Commercial Ovens
Fuel Type Classification Idle Rate Cooking-Energy Test Procedure
Convection Ovens
Gas Full-Size ≤ 12,000 Btu/h ≥ 46 ASTM F1496-13
Electric Half-Size ≤ 1.0 Btu/h ≥ 71
Full-Size ≤ 1.60 Btu/h
Combination Ovens
Gas Steam Mode ≤ 200Pa + 6,511 Btu/h ≥ 41 ASTM F2861-17
Convection Mode ≤ 150Pa + 5,425 Btu/h ≥ 56
Electric Steam Mode ≤ 0.133Pa + 0.6400 kW ≥ 55
Convection Mode ≤ 0.080Pa + 0.4989 kW ≥ 76
Rack Ovens
Gas Single ≤ 25,000 Btu/h ≥ 48 ASTM F2093-18
Double ≤ 30,000 Btu/h ≥ 52
  1. P = Pan Capacity: The number of steam table pans the combination oven is able to accommodate as per the ASTM F1495—05 standard specification.
(Not Used)
Table 10.8-1 Minimum Nominal Full-Load Efficiency for NEMA Design A, NEMA Design B, and IEC Design N Motors (Excluding Fire Pump Electric Motors) at 60 Hza,b
Motor Horsepower, hp (kW) Nominal Full-Load Efficiency, %
2-Pole 4-Pole 6-Pole 8-Pole
Enclosed Open Enclosed Open Enclosed Open Enclosed Open
1 (0.75) 77.0 77.0 85.5 85.5 82.5 82.5 75.5 75.5
1.5 (1.1) 84.0 84.0 86.5 86.5 87.5 86.5 78.5 77.0
2 (1.5) 85.5 85.5 86.5 86.5 88.5 87.5 84.0 86.5
3 (2.2) 86.5 85.5 89.5 89.5 89.5 88.5 85.5 87.5
5 (3.7) 88.5 86.5 89.5 89.5 89.5 89.5 86.5 88.5
7.5 (5.5) 89.5 88.5 91.7 91.0 91.0 90.2 86.5 89.5
10 (7.5) 90.2 89.5 91.7 91.7 91.0 91.7 89.5 90.2
15 (11) 91.0 90.2 92.4 93.0 91.7 91.7 89.5 90.2
20 (15) 91.0 91.0 93.0 93.0 91.7 92.4 90.2 91.0
25 (18.5) 91.7 91.7 93.6 93.6 93.0 93.0 90.2 91.0
30 (22) 91.7 91.7 93.6 94.1 93.0 93.6 91.7 91.7
40 (30) 92.4 92.4 94.1 94.1 94.1 94.1 91.7 91.7
50 (37) 93.0 93.0 94.5 94.5 94.1 94.1 92.4 92.4
60 (45) 93.6 93.6 95.0 95.0 94.5 94.5 92.4 93.0
75 (55) 93.6 93.6 95.4 95.0 94.5 94.5 93.6 94.1
100 (75) 94.1 93.6 95.4 95.4 95.0 95.0 93.6 94.1
125 (90) 95.0 94.1 95.4 95.4 95.0 95.0 94.1 94.1
150 (110) 95.0 94.1 95.8 95.8 95.8 95.4 94.1 94.1
200 (150) 95.4 95.0 96.2 95.8 95.8 95.4 94.5 94.1
250 (186) 95.8 95.0 96.2 95.8 95.8 95.8 95.0 95.0
300 (224) 95.8 95.4 96.2 95.8 95.8 95.8
350 (261) 95.8 95.4 96.2 95.8 95.8 95.8
400 (298) 95.8 95.8 96.2 95.8
450 (336) 95.8 96.2 96.2 96.2
500 (373) 95.8 96.2 96.2 96.2
  1. Nominal efficiencies shall be established in accordance with DOE 10 CFR 431.
  2. For purposes of determining the required minimum nominal full-load efficiency of an electric motor that has a horsepower or kilowatt rating between two horsepower or two kilowatt ratings listed in this table, each such motor shall be deemed to have a listed horsepower or kilowatt rating, determined as follows:

    1. A horsepower at or above the midpoint between the two consecutive horsepowers shall be rounded up to the higher of the two horsepowers.
    2. A horsepower below the midpoint between the two consecutive horsepowers shall be rounded down to the lower of the two horsepowers.
    3. A kilowatt rating shall be directly converted from kilowatts to horsepower using the formula 1 kilowatt = (1/0.746) horsepower. The conversion should be calculated to three significant decimal places, and the resulting horsepower shall be rounded in accordance with paragraph (1) or (2), whichever applies.
Table 10.8-2 Minimum Nominal Full-Load Efficiency for NEMA Design C and IEC Design H Motors at 60 Hza,b
Motor Horsepower, hp (kW) Nominal Full-Load Efficiency, %
4-Pole 6-Pole 8-Pole
Enclosed Open Enclosed Open Enclosed Open
1 (0.75) 85.5 85.5 82.5 82.5 75.5 75.5
1.5 (1.1) 86.5 86.5 87.5 86.5 78.5 77.0
2 (1.5) 86.5 86.5 88.5 87.5 84.0 86.5
3 (2.2) 89.5 89.5 89.5 88.5 85.5 87.5
5 (3.7) 89.5 89.5 89.5 89.5 86.5 88.5
7.5 (5.5) 91.7 91.0 91.0 90.2 86.5 89.5
10 (7.5) 91.7 91.7 91.0 91.7 89.5 90.2
15 (11) 92.4 93.0 91.7 91.7 89.5 90.2
20 (15) 93.0 93.0 91.7 92.4 90.2 91.0
25 (18.5) 93.6 93.6 93.0 93.0 90.2 91.0
30 (22) 93.6 94.1 93.0 93.6 91.7 91.7
40 (30) 94.1 94.1 94.1 94.1 91.7 91.7
50 (37) 94.5 94.5 94.1 94.1 92.4 92.4
60 (45) 95.0 95.0 94.5 94.5 92.4 93.0
75 (55) 95.4 95.0 94.5 94.5 93.6 94.1
100 (75) 95.4 95.4 95.0 95.0 93.6 94.1
125 (90) 95.4 95.4 95.0 95.0 94.1 94.1
150 (110) 95.8 95.8 95.8 95.4 94.1 94.1
200 (150) 96.2 95.8 95.8 95.4 94.5 94.1
  1. Nominal efficiencies shall be established in accordance with DOE 10 CFR 431.
  2. For purposes of determining the required minimum nominal full-load efficiency of an electric motor that has a horsepower or kilowatt rating between two horsepower or two kilowatt ratings listed in this table, each such motor shall be deemed to have a listed horsepower or kilowatt rating, determined as follows:

    1. A horsepower at or above the midpoint between the two consecutive horsepowers shall be rounded up to the higher of the two horsepowers.
    2. A horsepower below the midpoint between the two consecutive horsepowers shall be rounded down to the lower of the two horsepowers.
    3. A kilowatt rating shall be directly converted from kilowatts to horsepower using the formula 1 kilowatt = (1/0.746) horsepower. The conversion should be calculated to three significant decimal places, and the resulting horsepower shall be rounded in accordance with paragraph (1) or (2), whichever applies.
Table 10.8-3 Minimum Average Full-Load Efficiency for Polyphase Small Electric Motorsa
Number of Poles ⇒ Full-Load Efficiency, %
Open Motors
2 4 6
Synchronous Speed (RPM) ⇒ 3600 1800 1200
Motor Size, hp
0.25 65.6 69.5 67.5
0.33 69.5 73.4 71.4
0.50 73.4 78.2 75.3
0.75 76.8 81.1 81.7
1 77.0 83.5 82.5
1.5 84.0 86.5 83.8
2 85.5 86.5 N/A
3 85.5 86.9 N/A
  1. Average full-load efficiencies shall be established in accordance with 10 CFR 431.
Table 10.8-4 Minimum Average Full-Load Efficiency for Capacitor-Start Capacitor-Run and Capacitor-Start Induction-Run Small Electric Motorsa
Number of Poles ⇒ Full-Load Efficiency, %
Open Motors
2 4 6
Synchronous Speed (RPM) ⇒ 3600 1800 1200
Motor Size, hp
0.25 66.6 68.5 62.2
0.33 70.5 72.4 66.6
0.50 72.4 76.2 76.2
0.75 76.2 81.8 80.2
1 80.4 82.6 81.1
1.5 81.5 83.8 N/A
2 82.9 84.5 N/A
3 84.1 N/A N/A
  1. Average full-load efficiencies shall be established in accordance with 10 CFR 431.
Table 10.8-5 Minimum Nominal Full-Load Efficiency for Fire Pump Electric Motorsa
Number of Poles ⇒ Full-Load Efficiency, %
Open Drip-Proof Motors Totally Enclosed Fan-Cooled Motors
2 4 6 8 2 4 6 8
Synchronous Speed (RPM) ⇒ 3600 1800 1200 900 3600 1800 1200 900
Motor Size, hp
1 NR 82.5 80.0 74.0 75.5 82.5 80.0 74.0
1.5 82.5 84.0 84.0 75.5 82.5 84.0 85.5 77.0
2 84.0 84.0 85.5 85.5 84.0 84.0 86.5 82.5
3 84.0 86.5 86.5 86.5 85.5 87.5 87.5 84.0
5 85.5 87.5 87.5 87.5 87.5 87.5 87.5 85.5
7.5 87.5 88.5 88.5 88.5 88.5 89.5 89.5 85.5
10 88.5 89.5 90.2 89.5 89.5 89.5 89.5 88.5
15 89.5 91.0 90.2 89.5 90.2 91.0 90.2 88.5
20 90.2 91.0 91.0 90.2 90.2 91.0 90.2 89.5
25 91.0 91.7 91.7 90.2 91.0 92.4 91.7 89.5
30 91.0 92.4 92.4 91.0 91.0 92.4 91.7 91.0
40 91.7 93.0 93.0 91.0 91.7 93.0 93.0 91.0
50 92.4 93.0 93.0 91.7 92.4 93.0 93.0 91.7
60 93.0 93.6 93.6 92.4 93.0 93.6 93.6 91.7
75 93.0 94.1 93.6 93.6 93.0 94.1 93.6 93.0
100 93.0 94.1 94.1 93.6 93.6 94.5 94.1 93.0
125 93.6 94.5 94.1 93.6 94.5 94.5 94.1 93.6
150 93.6 95.0 94.5 93.6 94.5 95.0 95.0 93.6
200 94.5 95.0 94.5 93.6 95.0 95.0 95.0 94.1
250 94.5 95.4 95.4 94.5 95.4 95.0 95.0 94.5
300 95.0 95.4 95.4 NR 95.4 95.4 95.0 NR
350 95.0 95.4 95.4 NR 95.4 95.4 95.0 NR
400 95.4 95.4 NR NR 95.4 95.4 NR NR
450 95.8 95.8 NR NR 95.4 95.4 NR NR
500 95.8 95.8 NR NR 95.4 95.8 NR NR
  1. Nominal efficiencies shall be established in accordance with DOE 10 CFR 431.
  2. For purposes of determining the required minimum nominal full-load efficiency of an electric motor that has a horsepower or kilowatt rating between two horsepower or two kilowatt ratings listed in this table, each such motor shall be deemed to have a listed horsepower or kilowatt rating, determined as follows:

    1. A horsepower at or above the midpoint between the two consecutive horsepowers shall be rounded up to the higher of the two horsepowers.
    2. A horsepower below the midpoint between the two consecutive horsepowers shall be rounded down to the lower of the two horsepowers.
    3. A kilowatt rating shall be directly converted from kilowatts to horsepower using the formula 1 kilowatt = (1/0.746) horsepower. The conversion should be calculated to three significant decimal places, and the resulting horsepower shall be rounded in accordance with paragraph (1) or (2), whichever applies.

NR—No requirement

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