Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 10 - Energy |
Chapter II - Department of Energy |
SubChapter D - Energy Conservation |
Part 434 - Energy Code for New Federal Commercial and Multi-Family High Rise Residential Buildings |
Subpart E - Building Energy Cost Compliance Alternative |
§ 434.512 - Internal loads.
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§ 434.512 Internal loads.
512.1 The systems and types of energy specified in this section are provided only for purposes of calculating the Energy Cost Budget. They are not requirements for either systems or the type of energy to be used in the Proposed Design or for calculation of Design Energy Cost.
512.2 Internal loads for multi-family high-rise residential buildings are prescribed in Tables 512.2.a and b, Multi-Family High Rise Residential Building Schedules. Internal loads for other building types shall be modeled as noted in this subsection.
Table 512.2. a - Multi-Family High Rise Residential Buildings Schedules - One-Zone Dwelling Unit
[Internal loads per dwelling unit Btu/h]
Hour Occupants Lights Equipment Sensible Latent Sensible Sensible Latent 1 300 260 0 750 110 2 300 260 0 750 110 3 300 260 0 750 110 4 300 260 0 750 110 5 300 260 0 750 110 6 300 260 0 750 110 7 300 260 0 750 110 8 210 260 980 1250 190 9 100 80 840 2600 420 10 100 80 0 1170 180 11 100 80 0 1270 190 12 100 80 0 2210 330 13 100 80 0 2210 330 14 100 80 0 1270 190 15 100 80 0 1270 190 16 100 80 0 1270 190 17 100 80 0 1270 190 18 300 260 0 3040 450 19 300 260 0 3360 500 20 300 260 960 1490 220 21 300 260 960 1490 220 22 300 260 960 1490 220 23 300 260 960 1060 160 24 300 260 960 1060 160 Table 512.2. b - Multi-Family High Rise Residential Building Schedules-Two-Zone Dwelling Unit
[Internal loads per dwelling unit Btu/h]
Hour Bedrooms & bathrooms Other rooms Occupants Lights Equipment Occupants Lights Equipment Sensible Latent Sensible Sensible Latent Sensible Latent Sensible Sensible Latent 1 300 260 0 750 110 2 300 260 0 750 110 3 300 260 0 750 110 4 300 260 0 750 110 5 300 260 0 750 110 6 300 260 0 750 110 7 300 260 0 750 110 8 210 260 980 1250 190 9 100 80 840 2600 420 10 100 80 0 1170 180 11 100 80 0 1270 190 12 100 80 0 2210 330 13 100 80 0 2210 330 14 100 80 0 1270 190 15 100 80 0 1270 190 16 100 80 0 1270 190 17 100 80 0 1270 190 18 300 260 0 3040 450 19 300 260 0 3360 500 20 300 260 960 1490 220 21 300 260 960 1490 220 22 300 260 960 1490 220 23 300 260 960 1060 160 24 300 260 960 1060 160 Table 512.2. b - Multi-Family High Rise Residential Building Schedules-Two-Zone Dwelling Unit
[Internal loads per dwelling unit Btu/h]
Hour Bedrooms & bathrooms Other rooms Occupants Lights Equipment Occupants Lights Equipment Sensible Latent Sensible Sensible Latent Sensible Latent Sensible Sensible Latent 1 300 260 0 100 20 0 0 0 650 90 2 300 260 0 100 20 0 0 0 650 90 3 300 260 0 100 20 0 0 0 650 90 4 300 260 0 100 20 0 0 0 650 90 5 300 260 0 100 20 0 0 0 650 90 6 300 260 0 100 20 0 0 0 650 90 7 200 180 680 200 40 100 80 300 1050 150 8 110 120 240 200 40 100 80 600 2400 380 9 0 0 0 100 20 100 80 0 1070 160 0 0 0 0 100 20 100 80 0 1170 170 0 0 0 0 100 20 100 80 0 1170 170 0 0 0 0 100 20 100 80 0 2110 310 0 0 0 0 100 20 100 80 0 2110 310 14 0 0 0 100 20 100 80 0 1170 170 15 0 0 0 100 20 100 80 0 1170 170 16 0 0 0 100 20 100 80 0 1170 170 17 0 0 0 100 20 100 80 0 1170 170 18 0 0 0 100 20 300 260 0 2940 430 19 0 0 0 100 20 300 260 0 3260 480 20 100 80 320 300 60 200 180 640 1190 160 21 100 80 320 300 60 200 180 640 1190 160 22 150 130 480 700 90 150 130 480 790 130 23 300 260 640 410 70 0 0 320 650 90 24 300 260 640 410 70 0 0 320 650 90