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• Heat Loss Subtotal from Page 1 � �J <br /> DESIGN TEMPERATURE DIFFERENCE <br /> CEILING S�EETRE � � � � � � � � �� 75 � � � � HEAT LOSS <br /> HEAT TRANSFER MULTIPLIER <br /> NO I N S U LATION 18 21 24 27 30 33 36 39 42 45 48 51 54 57 <br /> R-11, 3" INSULATION 2.6 3.1 3.5 4.0 4.4 4.8 5.3 5.7 6.2 6.6 7.0 7.5 7.9 8.4 <br /> R-19, 6" INSULATION 1.6 1.9 2.1 2.4 2.6 2.9 3.2 3.4 3.7 4.0 4.2 4.5 4.8 5.0 <br /> R-30, 10" INSULATION 1.0 1.2 1.3 1.5 1.6 1.8 2.0 2.1 2.3 2.5 2.6 2.8 3.1 <br /> R-38, 12" INSULATION 0.8 0.9 1.0 1.2 1.3 1.4 1.6 1.7 1.8 2.0 2.1 2. 2.3 2.5 <br /> DESIGN TEMPERATURE DIFFERENCE <br /> FLOOR OVER AN SQUARE � � � � � � � � 70 � � � � � BTUH <br /> UNCONDITIONED SPACE FEET HEAT TRANSFER MULTIPLIER HEAT LOSS <br /> NOINSULATION 10 11 13 14 16 17 19 21 22 24 25 27 30 <br /> R-11, 3" INSULATION 2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6 6.0 6.4 6.8 7. 7.6 � <br /> � R-19, 6"INSULATION 1.6 1.8 2.1 2.3 2.6 2.9 3.1 3.4 3.6 3.9 4.2 4.4 4.7 4.9 <br /> R-30, 10"INSULATION 1.1 1.3 1.5 1.7 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.1 3.3 3.5 <br /> DESIGN TEMPERATURE DIFFERENCE <br /> BASEMENT FLOOR SaEETRE � � � � � � � � �� � � � � � HEAT LOSS <br /> HEAT TRANSFER MULTIPLIER <br /> BASEMENT FLOOR 0.8 1.0 1.1 1.3 1.4 1.5 1.7 1.8 2.0 2.1 2.2 2.4 2.7 <br /> DESIGN TEMPERATURE DIFFERENCE <br /> CONCRETE SLAB WITHOUT LINEAR BTUH <br /> PERIMETER SYSTEM FOOT � � � � � � � � �0 75 80 �i 90 95 HEAT LOSS <br /> HEAT TRANSFER MULTIPLIER <br /> NO EDGE INSULATION 25 29 33 37 41 45 49 53 57 61 65 69 73 77 <br /> 1" EDGE INSULATION 13 15 17 19 21 23 25 27 29 31 33 35 37 39 <br /> 2" INSULATION 6.3 7.4 8.4 9.4 10.5 11.5 12.6 13.6 14.7 15.8 16.8 17.8 18.9 20.0 <br /> DESIGN TEMPERATURE DIFFERENCE <br /> CONCRETE SLAB LINEAR � � � � � � � � �� 75 � � � � BTUH <br /> WITH PERIMETER SYSTEM FOOT HEAT TRANSFER MULTIPLIER HEAT LOSS <br /> NO EDGE INSULATION 57 67 76 86 95 105 114 124 133 143 152 162 171 181 <br /> 1" EDGE INSULATION 34 40 46 52 57 63 69 74 80 86 91 97 103 109 <br /> 2" EDGE INSULATION 28 33 37 42 47 51 56 61 65 70 75 79 84 89 <br /> An additional infiltration load is calculated only if the home is loosely constructed or when window infiltration is greater than .5 CFM per <br /> linear foot of crack. <br /> FLOOR SQ Ff. x CEILING HEIGHT = CUBIC Ff <br /> INFILTRATION/ <br /> VENTILATION 0.40 x CUBIC Ff = 60 = CFM <br /> MECHANICAL VENTILATION CFM = FRESH AIR INTAKE <br /> DESIGN TEMPERATURE DIFFERENCE BTUH <br /> CFM 30 35 40 45 50 55 60 65 70 75 80 85 90 95 HEAT LOSS <br /> HEAT TRANSFER MULTIPLIER <br /> INFILTRATION 33 39 44 50 55 61 66 72 77 83 88 94 105 <br /> MECHANICAL VENTILATION 33 39 44 50 55 61 66 72 77 83 88 94 9 105 <br /> HEATLOSS SUBTOTAL <br /> DUCT LOSS BTUH HEAT LOSS <br /> R-4, 1" Flexible Blanket Insulation: ADD 15% (.15) <br /> R-7, 2" Flexible Blanket Insulation: ADD 10% (.10) <br /> TOTAL HEATLOSS <br /> NOTE: All Heat Transfer Multipliers from ACCA Manual "J" Sixth Edition. <br /> HL-841-L7 (14G48) Litho U.S.A. <br />