Attachment-6_LoadCalculations_Lubbock.pdf
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Attachment-6_ Load Calculations
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Page 1 9/25/2018Residential Heat Loss and Heat Gain Calculation In accordance with ACCA Manual J
Report Prepared By:
Haynes Home Improvement
For: Lubbock
Lubbock, Texas
Design Conditions: Lubbock Indoor: Outdoor:
Summer temperature: 65 Summer temperature: 96 Winter temperature: 65 Winter temperature: 15 Relative humidity: 55 Summer grains of moisture: 65
Daily temperature range: High
Building Component Sensible Latent Total Total Gain Gain Heat Gain Heat Loss
(BTUH) (BTUH) (BTUH) (BTUH)
Whole House 920.3 sq.ft. 97,602 10,354 107,956 26,513
( 9 tons ) First Floor 97,603 10,355 107,958 26,514
107 equipment room 656 sq.ft. 64,867 2,704 67,571 8,450 Infiltration 1,731 2,244 3,975 4,765
- Tightness: Poor; Winter ACH: 1.79 ; Summer ACH: .75 People 2 600 460 1,060 0 Miscellaneous 60,000 0 60,000 0 Floor 656.3 sq.ft. 0 0 0 20
- Concrete slab on grade; Concrete; 1 in. edge R - 5 S Wall 268.5 sq.ft. 477 0 477 805
- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none W Wall 198 sq.ft. 176 0 176 297
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 198 sq.ft. 176 0 176 297
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important N Wall 250.5 sq.ft. 222 0 222 376
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important
Door 18 sq.ft. 245 0 245 414
- Wood; Solid; No storm
Ceiling 656 sq.ft. 1,240 0 1,240 1,476
- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light
102 Comms 120 sq.ft. 3,267 2,704 5,971 6,252 Infiltration 1,731 2,244 3,975 4,765
- Tightness: Poor; Winter ACH: 1.79 ; Summer ACH: .75 People 2 600 460 1,060 0
Page 2 Lubbock 9/25/2018
Building Component Sensible Latent Total Total Gain Gain Heat Gain Heat Loss
(BTUH) (BTUH) (BTUH) (BTUH)
Floor 120 sq.ft. 0 0 0 20
- Concrete slab on grade; Concrete; 1 in. edge R - 5 W Wall 90 sq.ft. 160 0 160 270
- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none N Wall 108 sq.ft. 96 0 96 162
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 72 sq.ft. 64 0 64 108
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important
Door 18 sq.ft. 293 0 293 495
- Wood; Hollow; No storm
S Wall 108 sq.ft. 96 0 96 162
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 120 sq.ft. 227 0 227 270
- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light
101 electric room 144 sq.ft. 29,469 4,947 34,416 11,812 Infiltration 3,462 4,487 7,949 9,530
- Tightness: Poor; Winter ACH: 1.79 ; Summer ACH: .75 People 2 600 460 1,060 0 Miscellaneous 24,000 0 24,000 0 Floor 144 sq.ft. 0 0 0 41
- Concrete slab on grade; Concrete; 1 in. edge R - 5 S Wall 90 sq.ft. 160 0 160 270
- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none
Door 18 sq.ft. 314 0 314 531
- Metal; Fiberglass; No storm
W Wall 108 sq.ft. 192 0 192 324
- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none N Wall 108 sq.ft. 96 0 96 162
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 90 sq.ft. 80 0 80 135
- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important
Door 18 sq.ft. 293 0 293 495
- Wood; Hollow; No storm
Ceiling 144 sq.ft. 272 0 272 324
- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light
Whole House 920.3 sq.ft. 97,602 10,354 107,956 26,513 ( 9 tons )
HVAC-Calc Residential 4.0 by HVAC Computer Systems Ltd. 888 736-1101 Load calculations are estimates only, actual loads may vary due to weather and construction differences.
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