Attachment-6_LoadCalculations.pdf

Page 1 7/18/2018Residential Heat Loss and Heat Gain Calculation In accordance with ACCA Manual J

Report Prepared By:

Haynes Home Improvement

For: WFO Brownsville

Brownsville, TX

Design Conditions: Brownsville Indoor: Outdoor:

Summer temperature: 70 Summer temperature: 93 Winter temperature: 70 Winter temperature: 39 Relative humidity: 50 Summer grains of moisture: 116

Daily temperature range: Medium

Building Component Sensible Latent Total Total Gain Gain Heat Gain Heat Loss

(BTUH) (BTUH) (BTUH) (BTUH)

Whole House 4,514 sq.ft. 196,336 39,519 235,855 49,674

( 19.5 tons ) First Floor 196,336 39,518 235,854 49,674

109 OPPS ROOM 1,353 sq.ft. 37,554 10,983 48,537 12,973 Infiltration 5,016 8,223 13,239 7,438

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 3,414 0 3,414 618

- Supply below 120; Exposed to outdoor ambient; R-6 People 12 3,600 2,760 6,360 0 Miscellaneous 1,200 0 1,200 0 Miscellaneous (2) 18,000 0 18,000 0 Floor 1,353.3 sq.ft. 0 0 0 3

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 N Wall 339 sq.ft. 541 0 541 631

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 48 sq.ft. 557 0 557 418

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Window (2) 48 sq.ft. 557 0 557 418

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

E Wall 186 sq.ft. 297 0 297 346

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 48 sq.ft. 1,054 0 1,054 418

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Window (2) 18 sq.ft. 395 0 395 157

Page 2 WFO Brownsville 7/18/2018

Building Component Sensible Latent Total Total Gain Gain Heat Gain Heat Loss

(BTUH) (BTUH) (BTUH) (BTUH)

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

W Wall 252 sq.ft. 201 0 201 234

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 435 sq.ft. 347 0 347 405

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 1,353 sq.ft. 2,375 0 2,375 1,887

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

114 EQUIPMENT 635 sq.ft. 63,433 230 63,663 2,022 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 5,767 0 5,767 96

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Miscellaneous (2) 54,161 0 54,161 0 Floor 634.7 sq.ft. 0 0 0 3

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 S Wall 204 sq.ft. 163 0 163 190

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 252 sq.ft. 201 0 201 234

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 252 sq.ft. 201 0 201 234

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important N Wall 204 sq.ft. 326 0 326 379

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none Ceiling 635 sq.ft. 1,114 0 1,114 886

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

115 COMMS 116 sq.ft. 2,387 230 2,617 744 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 217 0 217 35

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Floor 116 sq.ft. 0 0 0 3

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 N Wall 87 sq.ft. 139 0 139 162

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none W Wall 108 sq.ft. 172 0 172 201

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none E Wall 108 sq.ft. 86 0 86 100

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Gain Gain Heat Gain Heat Loss

(BTUH) (BTUH) (BTUH) (BTUH)

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 87 sq.ft. 69 0 69 81

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 116 sq.ft. 204 0 204 162

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

107 Multi Purpose 368 sq.ft. 6,739 2,760 9,499 1,372 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 613 0 613 65

- Supply below 120; Exposed to outdoor ambient; R-6 People 12 3,600 2,760 6,360 0 Miscellaneous 1,200 0 1,200 0 Floor 367.5 sq.ft. 0 0 0 3

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 S Wall 236.3 sq.ft. 189 0 189 220

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important N Wall 236.3 sq.ft. 189 0 189 220

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 126 sq.ft. 101 0 101 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 126 sq.ft. 201 0 201 234

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none Ceiling 368 sq.ft. 646 0 646 513

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

113 124 sq.ft. 2,581 460 3,041 584 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 235 0 235 28

- Supply below 120; Exposed to outdoor ambient; R-6 People 2 600 460 1,060 0 Miscellaneous 1,200 0 1,200 0 Floor 123.7 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 E Wall 126 sq.ft. 101 0 101 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 126 sq.ft. 101 0 101 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important N Wall 79.5 sq.ft. 63 0 63 74

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 79.5 sq.ft. 63 0 63 74

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 124 sq.ft. 218 0 218 173

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Gain Gain Heat Gain Heat Loss

(BTUH) (BTUH) (BTUH) (BTUH)

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light 106a hallway 70 sq.ft. 2,008 230 2,238 350

Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 183 0 183 17

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Floor 70 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 W Wall 126 sq.ft. 101 0 101 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 126 sq.ft. 101 0 101 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 70 sq.ft. 123 0 123 98

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

106 hallway 328 sq.ft. 3,311 230 3,541 1,624 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 301 0 301 77

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Floor 328.3 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 N Wall 585 sq.ft. 467 0 467 544

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 585 sq.ft. 467 0 467 544

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 328 sq.ft. 576 0 576 458

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

121 serv vest 38 sq.ft. 4,689 4,061 8,750 5,014 Infiltration 2,477 4,061 6,538 3,673

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 426 0 426 239

- Supply below 120; Exposed to outdoor ambient; R-6 Floor 37.5 sq.ft. 0 0 0 2

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 W Wall 5 sq.ft. 8 0 8 9

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 20 sq.ft. 439 0 439 174

- Triple pane; Vinyl frame; Low emittance

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(BTUH) (BTUH) (BTUH) (BTUH)

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Glassdoor 20 sq.ft. 392 0 392 304

- Sliding glass door; Triple pane; Metal frame; Clear glass

- No inside shading; Coating: None (clear glass); 100% shaded.

E Wall 5 sq.ft. 8 0 8 9

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 20 sq.ft. 439 0 439 174

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Glassdoor 20 sq.ft. 392 0 392 304

- Sliding glass door; Triple pane; Metal frame; Clear glass

- No inside shading; Coating: None (clear glass); 100% shaded.

N Wall 67.5 sq.ft. 54 0 54 63

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 67.5 sq.ft. 54 0 54 63

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important

108 ready room 133 sq.ft. 5,836 920 6,756 532 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 531 0 531 25

- Supply below 120; Exposed to outdoor ambient; R-6 People 4 1,200 920 2,120 0 Miscellaneous 1,200 0 1,200 0 Miscellaneous (2) 2,400 0 2,400 0 Floor 133 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 N Wall 85.5 sq.ft. 68 0 68 80

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 85.5 sq.ft. 68 0 68 80

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 85.5 sq.ft. 68 0 68 80

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 85.5 sq.ft. 68 0 68 80

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 133 sq.ft. 233 0 233 186

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

119 Elec Tech 257 sq.ft. 6,468 3,356 9,824 3,728 Infiltration 1,486 2,436 3,922 2,204

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 588 0 588 178

- Supply below 120; Exposed to outdoor ambient; R-6 People 4 1,200 920 2,120 0

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(BTUH) (BTUH) (BTUH) (BTUH)

Miscellaneous 1,200 0 1,200 0 Floor 256.7 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 W Wall 78 sq.ft. 124 0 124 145

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 48 sq.ft. 1,054 0 1,054 418

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

E Wall 126 sq.ft. 101 0 101 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 165 sq.ft. 132 0 132 153

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important N Wall 165 sq.ft. 132 0 132 153

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 257 sq.ft. 451 0 451 359

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

104 MIC 191 sq.ft. 5,341 2,896 8,237 3,676 Infiltration 1,486 2,436 3,922 2,204

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 486 0 486 175

- Supply below 120; Exposed to outdoor ambient; R-6 People 2 600 460 1,060 0 Miscellaneous 1,200 0 1,200 0 Floor 190.7 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 E Wall 144 sq.ft. 230 0 230 268

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none S Wall 59.3 sq.ft. 95 0 95 110

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 48 sq.ft. 708 0 708 418

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

N Wall 107.3 sq.ft. 86 0 86 100

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 144 sq.ft. 115 0 115 134

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 191 sq.ft. 335 0 335 266

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

120 storage 249 sq.ft. 2,885 230 3,115 1,205 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 262 0 262 57

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(BTUH) (BTUH) (BTUH) (BTUH)

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Floor 249.3 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 W Wall 125.3 sq.ft. 200 0 200 233

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none S Wall 161.3 sq.ft. 257 0 257 300

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none N Wall 161.3 sq.ft. 129 0 129 150

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 125.3 sq.ft. 100 0 100 117

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 249 sq.ft. 437 0 437 347

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

112 men's 93 sq.ft. 2,202 230 2,432 552 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 200 0 200 26

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Floor 92.8 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 S Wall 76.5 sq.ft. 122 0 122 142

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none N Wall 76.5 sq.ft. 61 0 61 71

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 98.3 sq.ft. 78 0 78 91

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 98.3 sq.ft. 78 0 78 91

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 93 sq.ft. 163 0 163 130

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

110 women's 93 sq.ft. 2,532 460 2,992 552 Infiltration 0 0 0 0

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 230 0 230 26

- Supply below 120; Exposed to outdoor ambient; R-6 People 2 600 460 1,060 0 Miscellaneous 1,200 0 1,200 0 Floor 92.8 sq.ft. 0 0 0 1

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(BTUH) (BTUH) (BTUH) (BTUH)

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 S Wall 76.5 sq.ft. 122 0 122 142

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none N Wall 76.5 sq.ft. 61 0 61 71

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 98.3 sq.ft. 78 0 78 91

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 98.3 sq.ft. 78 0 78 91

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 93 sq.ft. 163 0 163 130

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

105 copy /file room 146 sq.ft. 3,914 1,678 5,592 2,088 Infiltration 743 1,218 1,961 1,102

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 356 0 356 99

- Supply below 120; Exposed to outdoor ambient; R-6 People 2 600 460 1,060 0 Miscellaneous 1,200 0 1,200 0 Floor 145.6 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 S Wall 96 sq.ft. 153 0 153 179

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 24 sq.ft. 354 0 354 209

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

N Wall 120 sq.ft. 96 0 96 112

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important W Wall 98.3 sq.ft. 78 0 78 91

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 98.3 sq.ft. 78 0 78 91

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 146 sq.ft. 256 0 256 204

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

101 vest 44 sq.ft. 9,843 7,742 17,585 8,996 Infiltration 4,582 7,512 12,094 6,795

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 895 0 895 428

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Floor 43.7 sq.ft. 0 0 0 2

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8

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(BTUH) (BTUH) (BTUH) (BTUH)

S Wall 2.2 sq.ft. 4 0 4 4

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 30.3 sq.ft. 447 0 447 264

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Glassdoor 17.8 sq.ft. 349 0 349 270

- Sliding glass door; Triple pane; Metal frame; Clear glass

- No inside shading; Coating: None (clear glass); 100% shaded.

N Wall 20.3 sq.ft. 32 0 32 38

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 30 sq.ft. 348 0 348 261

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

E Wall .2 sq.ft. 0 0 0 0

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 50.3 sq.ft. 1,104 0 1,104 438

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Glassdoor 20 sq.ft. 392 0 392 304

- Sliding glass door; Triple pane; Metal frame; Clear glass

- No inside shading; Coating: None (clear glass); 100% shaded.

W Wall 70.5 sq.ft. 113 0 113 131

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none Ceiling 44 sq.ft. 77 0 77 61

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

103 rcptn/102 waiting 162 sq.ft. 4,979 1,678 6,657 1,792 Infiltration 743 1,218 1,961 1,102

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 453 0 453 85

- Supply below 120; Exposed to outdoor ambient; R-6 People 2 600 460 1,060 0 Miscellaneous 2,400 0 2,400 0 Floor 162.4 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 S Wall 90.8 sq.ft. 145 0 145 169

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Window 24 sq.ft. 354 0 354 209

- Triple pane; Vinyl frame; Low emittance

- No inside shading; Coating: Tinted (heat absorbing); 55% shaded.

Ceiling 162 sq.ft. 284 0 284 226

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

117 electric 116 sq.ft. 29,634 1,144 30,778 1,870 Infiltration 557 914 1,471 826

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(BTUH) (BTUH) (BTUH) (BTUH)

- Tightness: Best; Winter ACH: .3 ; Summer ACH: .2 Duct 2,694 0 2,694 89

- Supply below 120; Exposed to outdoor ambient; R-6 People 1 300 230 530 0 Miscellaneous 1,200 0 1,200 0 Miscellaneous (2) 24,000 0 24,000 0 Floor 116 sq.ft. 0 0 0 1

- Concrete slab on grade; Concrete; 1.5 in. edge R - 8 W Wall 126 sq.ft. 201 0 201 234

- Wood frame, with sheathing, siding or brick; R-19 5 1/2 in.; none

Door 18 sq.ft. 225 0 225 262

- Metal; Polystyrene; No storm

N Wall 87 sq.ft. 69 0 69 81

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important S Wall 87 sq.ft. 69 0 69 81

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important E Wall 144 sq.ft. 115 0 115 134

- Wood frame, with sheathing, siding or brick; R-33 9 - 10 in.; Not important Ceiling 116 sq.ft. 204 0 204 162

- Roof-Ceiling combination; R-22 batts (2 X 8 rafters); Light

Whole House 4,514 sq.ft. 196,336 39,519 235,855 49,674 ( 19.5 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.