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HomeMy WebLinkAboutManual JChavez ADU HVAC Load Calculations for RHVAC FIXCTPENTTAL FIVAC LoEDE ..Q. \ s' \$ Prepared By: B Scanlon BMSEngineering LLC 1523 River Bend Way Glenwood Springs 303-319-6184 Tuesday, April 15, 2025 Rhvac is an ACCA approved Manual J, D and S computer program. Calculations are performed perACCA ManualJ 8th Edition, Version 2.50, and ACCA Manual D. Light EE LLC co 80138-8201 P Re Project Date: Company Name: Company Representative: Company Address: Company City: Company Phone: Company E-Mail Address: Company Website: Tuesday, April 15,2025 BMSEngineering LLC B Scanlon 1523 River Bend Way Glenwood Springs 303-319-6184 brendan@bmsengllc.com www.bmsengllc.com s ChavezADU IPaoe2 I GeneralPro Data Building Orientation: Daily Temperature Range: Latitude: Elevation: Altitude Factor: Craig,o Front door faces Nofthwest High 40 Degrees 5520 ft. 0.816 Winter: Summer: Outdoor Dry Bulb -12 86 Outdoor Wet Bulb -12.46 56 Outdoor Rel,Hum nla 15% lndoor Rel.Hum nla 50% lndoor Dry Bulb 68 75 Grains Difference nla -45 Total ng pply CFM: Square ft. of Room Area: Volume (ft3): 16 1,460 13,672 CFM Per Square ft. PerTon 5,196 T ng ing Venti Total Sensible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: r:26,168 Btuh 5,088 Btuh -1,716 Btuh 5,088 Btuh 100 o/o 0Yo 0.42 Tons (Based On Sensible + Latent) Rhvac is an a nual J, D and Calculations are performed per ACCA Manual J 8th Edition, Version 2.50, and ACCA Manual D All computed results are estimates as building use and weather may vary. Be sure to select a unit that meets both sensible and latent loads according to the manufacturer's performance data at your design conditions. computer program. C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15, 2025, 9:13 PM Summer:86 2.46 56 15o/o 50% 68 75 45.24 Calculate: Use Schedule: Roughness Factor: Pressure Drop: Minimum Velocity: Maximum Velocity: Minimum Height: Maximum Height: Main Trunk Yes Yes 0.00300 0,1000 in.wg./100 ft. 0 ft.lmin 900 ft./min 0 in. 0 in. Runouts Yes Yes 0.01000 0.1000 in.wg.l100 ft. 0 ft./min 750 ft./min 0 in. 0 in. lnfiltration Specified:0.580 AC/hr 132 CFM 0.300 AC/hr 68 CFM lnfiltration Actual: Above Grade Volume: 0.580x 13.672 7,930x 0.0167 132 0 AC/hr Cu.ft. Cu.ft./hr 0.300x 13.672 4,102 x 9.0167 68 0 AC/hr Cu.ft. Cu.ft./hr Total Building lnfi ltration: Total Building Ventilation: CFM CFM CFM CFM ..-System 1-.- Infiltration & Ventilation Sensible Gain Multiplier: 9.87 = (1.10 X 0.816 X 11,00 Summer Temp. Difference) lnfiltration & Ventilation Latent Gain Multiplier: -25.1'l = (0.68 X 0.816 X45.24 Grains Difference) lnfiltration & Ventitation Sensible Loss Multiplier: 71.81 = (1.10 X 0.816 X 80.00 Winter Temp. Difference) Winter lnfiltration Specifled: 0.580 AC/hr (132 CFM), Construction: Summer lnfiltration Specified: 0.300 AC/hr (68 CFM), Construction: C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15,2025, 9:13 PM Load Preview CFMGainTonScope Bullcling Sl6bm 1 Zone 1-Clg.: 16010, HQ.:43% 'l -Ground Level-Shrage 2-GroundLevel-Mectr/l-aundry Rm Zore 2 - Clg.'. &o/o, Htg. : 57% $Main Level-Living/Xihhen 4Main Level-Bahroom SMain Level-Bedrm-1 &Main-Lorel Bedrm-2 283 416 %3 416 m3 416 283 416 53 180 53 180 45 167 45 157 824824 269 236 269 2% 139 115 139 115 12 19 12 19 45 52 45 52 72 51 72 51 1,M 5,088 1,460 5,088 765 944 672 N7 93 1-37 695 4,827 366 2,49t 60 218 1U 813 135 1298 -1,716 -1:116 :737 625 -112 -979 458 -80 -223 -218 5,088 5088 944 w7 137 4,827 2,493 218 813 1,298 26,168 26,168 11,328 9,836 1,492 14,W 7&7 1,169 3,253 3,211 416 416 180 157 24 2ffi 115 19 52 51 I Sum of room airffo € maybe grcabrhan slebm airflou/because has o.42 o.42 5,196 5,196 C :\Users\bboy2\Docu ments\E I ite Softwa re\Rhvac I Projects\Chavez-AD U' rh9 Tuesday, April 15,2025, 9:13 PM viewDuct Size Duct R€g SiiaHEclgActDesign VdcSouceRoomor DuctName 0.01 001 001 0.01 0.01 0.@s 7ffi 7n 7fi 7* 7fi 900 .. 1 '1,:r,! l. rii, ;l r I i'\!, .,! 0.1 0Bnilt-ln 0 III IIIIIIII 7491&jlt-ln 0.1 45 157 M750 0.01 0.1 82414 0 0 0 0 0Tnnk Sysun 1 Supply Runouts Zcr'el 398.6 272.1 4205 2132 379.7 3744 Brilt-ln Bnilt-ln Builtln Built-ln 0.1 0.1 0.1 0.1 13g 1't5 2--5 12 19 14 45 m 1-5 72 51 1-6 28 416 Sdo Z$e2 $Main Lsvel-Uvingl{bhen 4-Main Level-Bahroorn il\,lain l€vd-Bedm-1 GMaiFLev€lB€dnn-2 OtherDucls Lr System 1 $Btem 1 Heating Flortt: Fb\M 416 283 C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU. rh9 Tuesday, April 15, 2025, 9:13 PM Total Loads pane low-e (e =136 operable window, e=0.10 on surface 3, insulated fiberglass frame, U-value 0.41, SHGC 0.45 11J: Door-Metal - Fiberglass Core, U-value 0.6 12D1-6sw: Wall-Frame, R-21 closed cell 2 lb. spray foam insulation in2x4 stud cavity, R-6 board insulation, siding finish, wood studs, U-value 0.052 16DR-50: Roof/Ceiling-Under Attic with lnsulation on Attic Floor (also use for Knee Walls and Partition Ceilings), Vented Attic with Radiant Barrier, White or Light Color Shingles, Any Wood Shake, Light Metal, Tar and Gravel Membrane, R-50 insulation, U-value 0.02 228-10p1: Floor-Slab on grade, Vertical board insulation covers slab edge and extends straight down to 3' below grade, any floor cover, R-10 insulation, passive, light dry soil, U-value 0^21 19D1-19osp: Floor-Over enclosed crawl space, R-19 insulation on exposed walls, spray foam insulation, sealed crawlspace, passive, R-19 open cell l12lb. spray foam, 5 inches in 2 x 10 joist cavity, U-value 0.049 104 1,747 51 1885.5 2,448 7,843 520 361 292 103 520 361 292 103 0 0 695.2 1,1',12 695.2 739 0 000 0 Subtotals for structure: People: Equipment: Lighting: Ductwork: lnfiltration: Winter CFM: 132, Summer CFM: 68 16,677 0 0 0 14,41,44 040 0 1676 0 2 0 0 0 0 2 0 0 0 0 0 0 Ventilation: Winter CFM: 0 Summer CFM: 0 0 9,491 0 0 -1,716 0 Total Building Load Totals:26,168 -1,716 5,088 3,372 CFM: g,Square ft. of Room Area: Volume (ft3): 416 1,460 13,672 uare ft.: ,, Square ft. PerTon 5,196 uding TotalSensible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: 168 5,088 Btuh -1,716 Btuh 5,088 Btuh 100 o/o AYo 0.42 Tons (Based On Sensible + Latent) Calculations are performed per ACCA Manual J computer program. Bth Edition, Version 2.50, and ACCA Manual D All computed results are estimates as building use and weather may vary. Be sure to select a unit that meets both sensible and latent loads according to the manufacturer's performance data at your design conditions. C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15, 2025,9:13PM Loadg I Development, EE LLC ChavezADU 7 Pie Chart Floor 1 Roof 4 nfiltration 36% Building Loss 26,168 Btuh Wall 30% Door 9% Glass 1 1% Roof oor 12o/o Wall I Building Gain 3,372 Btuh Glass 71% C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU'rh9 Tuesday, April 15, 2025, 9:13 PM Detailed Room Loads -1 - Ground Level-Storage Fenestration Gain Procedure is in zone 1,peaks at I am Htg. & clg. 21.0 32.0 672.0 8.3 5,598 2 78 6 399 399 0.073 1 1 1 157 1.7 0 0 0 0 0 48 25 Calculation Mode: Room Length: Room Width: Area: Ceiling Height: Volume: Number of Registers: Runout Air: Runout Duct Size: Runout Air Velocity: Runout Air Velocity: Actual Loss: ft. ft. sq.ft. ft. cu.ft. Occurrences: System Number: Zone Number: Supply Air: SupplyAir Changes: Req. Vent. Clg: Actual Winter Vent.: Percent of Supply.: Actual Summer Vent.: Percent of Supply: ActualWinter lnfil.: ActualSummer lnfil.: CFM AC/hr CFM CFM Yo CFM o/o CFM CFM CFM in. ft./min. ft./min. in.wg./100 ft. SW-Wall-12D1-6sw 32 X 8.3 NW-Wall-l2D1-6sw 16.8 X 8.3 NE-Wall-12D1-6sw 15.6 X 8.3 NW-Door-11J 3 X 7 NE-Door-11J 3 X 7 Floor-22B-10p1 88 ft..Per. 266.6 118.5 108.9 21 21 88 0.052 0.052 0.052 0.600 0.600 0.210 4.2 4.2 4.2 48.0 48.0 16.8 1,109 493 453 1,008 1,008 1,478 0.2 0.2 0.2 10.2 10.2 0.0 0 0 0 0 0 0 51 23 21 214 214 0 Subtotals for Structure:6,381 3,455 0 561 lnfil.:Win.:48.1 Sum.:24.9 736 4.695 0.334 -625 246 Room Totals:9,836 -625 807 CtUsers\bbo12\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU. rh9 Tuesday, April 15,2025,9:13 PM Detailed Room Loads -2 - G raund-Level-Mech/Lau nd rY (Peak Fenestration Gain Procedure Room zone peaks at 9 am Htg. & clg. 6.0 15.5 93.0 8.3 775 Calculation Mode: Room Length: RoomWidth: Area: Ceiling Height: Volume: Number of Registers: Runout Air: Runout Duct Size: Runout Air Velocity: Runout Air Velocity: Actual Loss: ft. ft. sq.ft. ft. cu.ft. Occurrences: System Number: Zone Number: SupplyAir: SupplyAir Changes: Req. Vent. Clg: Actual Winter Vent.: Percent of Supply.: Actual Summer Vent.: Percent of Supply: ActualWinter lnfil.: ActualSummer lnfil.: 1 1 1 24 1.8 0 0 0 0 0 9 4 CFM AC/hr CFM CFM o/o CFM o/o CFM CFM 1 24 CFM4 in. 272 ft.lmin. 272 ft.lmln. 0.061 in.wg./100 ft. N E-Gls4A-4f-o shgc-0.45 0%S Floor-228-1 Opl 1 6 ft..Per. 2 0.410 0.210 4.2 32.8 16.8 66 34.0 0.0 0 0 68 016269 Subtotals for Structure: lnfil.: Wln.: 8.6, Sum.: 4.5 132 4.696 874 618 0.334 0 -112 93 44 Room Totals:1,492 -112 137 C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15, 2025,9:13PM Room Loads - Room 3 -M ai n Level-Livi ng/Ktche n (Peak Fenestration Gain Procedure Room is in zone 2, Calculation Mode: Room Length: Room Width: Area: Ceiling Height: Volume: Htg. & clg. 15.6 23.4 366.0 10.5 3,843 2 57 5 421 421 ft. ft. sq.ft. ft. cu.ft. Occurrences: System Number: Zone Number: Supply Air: SupplyAir Changes: Req. Vent. Clg: Actual Winter Vent.: Percent of Supply.: Actual Summer Vent.: Percent of Supply: ActualWinter lnfil.: ActualSummer lnfil.: 1 1 2 115 1.8 0 0 0 0 0 CFM AC/hr CFM CFM o/o CFM % Number of Registers: Runout Air: Runout Duct Size: Runout Air Velocity: Runout Air Velocity: ActualLoss: CFM in. ft./min. ft./min.35 CFM 18 CFM0.105 in.wg./100 ft. -6sw 44 19 32 92 202 1,424 297 '|'54 54 NE-Wall-12D1-6sw 10.5 X 10.5 SW-Wall-12D1-6sw 17.5 X 10.5 NW-Door-11J 3 X 3 N E-Gls4A-4f-o shgc-0.45 0%S SW-Gls 4A4f-o shgc-0.45 0%S NW-Gls 4A.4f-o shgc-0.45 0%S UP-Ceil-1 6DR-50 1 5.6 X 23.4 Floor-l 9D1 -1 9oso 23.4 X 1 5.6 101.2 163.8 I I 20 8 366 366 0.052 0.052 0.600 0.410 0.410 0.410 0.020 0.049 4.2 4.2 48.0 32.8 32.8 32.8 1.6 1.1 421 681 432 295 656 262 586 389 0.2 0.2 10.2 22.4 71.2 37.1 o.4 0.1 0 0 0 0 0 0 0 0 Subtotals for Structure: lnfil.: Win.:35.3, Sum.: 18.3 4,673 2,534 0 2,318 1805404.695 0.334 -458 Room Totals:7,207 -458 2,498 C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15,2025, 9:13 PM Room Loads -4 - Main Level-Bathroom (Peak Fenestration Gain Procedure Room is in zone peaks at 4 pm Htg. &Calculation Mode: Room Length: Room Width: Area: Ceiling Height: Volume: Number of Registers Runout Air: Runout Duct Size: Runout Air Velocity: Runout Air Velocity: Actual Loss: clg. 6.7 9.0 ft. ft. sq.ft. fi. cu.ft. Occurrences: System Number: Zone Number: SupplyAir: Supply Air Changes: Req. Vent. Clg: Actual Winter Vent.: Percent of Supply.: Actual Summer Vent.: Percent of Supply: ActualWinter lnfil.: Actual Summer lnfil.: 1 1 2 19 1.8 0 0 0 0 0 6 3 60.3 10.5 633 CFM AC/hr CFM CFM o/o CFM o/o CFM CFM 1 19 CFM4 in. 213 ft./min. 213 ft.lmin. 0.038 in.wg./100 ft. N E-Gls4A-4f-o shgc-0.45 0%S UP-Ceil-16DR-50 6.7 X I Floor-19D1-19osp I X 6.7 6 60.3 60.3 0.410 0.020 0.049 32.8 1.6 1.1 1 97 96 64 22.5 0.4 0.1 0 0 0 0 135 25I Subtotals for Structure: lnfil.: Win.: 6.2, Sum.: 3.2 95 4.698 725 4M 0.339 0 -80 186 32 Room Totals:1,169 -80 218 C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15,2025, 9:13 PM RoomLoads-Room5-Main Level-Bedrm-1 (Peak Fenestration Gain Procedure Room tn zone at4pm Htg. & clg.Calculation Mode: Room Length: Room Width: Area: Ceiling Height: Volume: Number of Registers: Runout Air: Runout Duct Size: Runout Air Velocity: Runout Air Velocity: Actual Loss: 1'.\.2 ft. Occurrences: System Number: Zone Number: Supply Air: Supply Air Changes: Req. Vent. Clg: Actual Winter Vent.: Percent of Supply.: Actual Summer Vent.: Percent of Supply: ActualWinter lnfil.: Actual Summer lnfil.: 1 1 2 52 CFM 2.2 AClhr 12.4 133.9 10.5 1,406 1 52 5 380 380 0.086 ft. sq.ft. ft. cu.ft.0 0 0 0 0 7 9 CFM CFM GFM in. ft./min. ft./min. in.wg./100 ft. o/o CFM o/o 1 CFM CFM SE-Wall-12D1-6sw 13 X 10.5 NE-Gls-4A-4f-o shgc-0.45 0%S SE-Gls4A4f-o shgc-0.45 0%S UP-Ceil-16DR-50 1 1 .2 X 12 Floor-19D1-1 9osp 12 X 11.2 116 126.5 10 10 133.9 133.9 0.052 0.410 0.410 0.020 0.049 4.2 32.8 32.8 1.6 '1.1 526 328 328 214 '142 0.2 22.5 37.8 0.4 0.1 0 0 0 0 0 24 225 378 56 20 Subtotals for Structure: lnfil.: Win.: 17.2, Sum.: 8.9 2,021 0 725 263 4.693 1 232 0.335 -223 88 Room Totals 3,253 -223 813 C:\Users\bbop\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU. rh9 Tuesday, April 15,2025,9:13 PM Room Loads -6 - Main-Level Bedrm-2 (Peak Fenestration Gain Procedure is in zone 2, Calculation Mode: Room Length: Room Width: Area: Ceiling Heightr Volume: Number of Registers: Runout Air: Runout Duct Size: Runout Air Velocity: Runout Air Velocity: Actual Loss: Htg. & clg. 9.6 14.0 135.0 10.5 'l ,417 1 51 5 375 375 0.084 ft. ft. sq.ft. ft. cu.ft. CFM in. ft./min. ft./min. in.wg./100 ft. Occurrences: System Number: Zone Number: Supply Air: Supply Air Changes: Req. Vent. Clg: Actual Winter Vent": Percent of Supply.: Actual Summer Vent.: Percent of Supply: ActualWinter Infil.: ActualSummer lnfil.: 1 1 2 51 CFM 2.2 AClhr O CFM O CFM 0 o/o O CFM O o/o 17 CFM 9 CFM SW-Wall-12D1-6sw 14 X 10.5 SW-Gls4A-4f-o shgc-0.45 0%S SE-Gls4A4f-o shgc-0.45 0%S UP-Ceil-16DR-50 9.6 X 14 Floor-l9D1-19osp 14 X 9.6 137 10 10 135 135 0.052 0,410 0.410 0.020 0.049 4.2 32.8 32.8 1.6 1.1 570 328 328 216 144 0.2 71.2 37.8 0.4 0.1 0 0 0 0 0 26 712 378 57 20 Subtotals for Structure: lnfil.: Win.: 16.8, Sum.:8.7 257 4.696 2,003 1,209 0.334 0 -218 1,212 86 Room Totals:3,211 -2',18 1,298 C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15, 2025, 9:13 PM s 1 Room Load ---Zone 1-- 1 Ground Level- Storage2 Ground-Level- Mech/Laundrv Rm 672 93 9,836 1,492 157 2-6 '14 399 272 807 137 -625 -112 45 157 24 I 24 Zone l subtotal ---Zone2--- 3 Main Level- Living/Kitchen 4 Main Level- Bathroom 5 Main Level-Bedrm- 1 6 Main-LevelBedrm- 2 765 366 60 134 135 11,328 7,207 1,169 3,253 3,211 180 115 19 52 51 2-5 1-4 1-5 1-5 421 2',|'3 380 375 9M 2,498 218 813 1,298 -737 458 -80 -223 -2',18 53 139 12 45 72 180 115 19 52 51 Zone 2 subtotal 695 14,840 236 4,827 -979 269 236 System 1 total 1,460 26,168 416 5,088 -1,716 283 4',16 System 1 Main Trunk Size 8x10 in. 750 ft./min 0.106 in.wg Velocity: Loss per 100 ft. Note: Since the system is multizone, the Peak Fenestration Gain Procedure was used to determine glass sensible gains at the room and zone levels, so the sums of the zone sensible gains and airflows for cooling shown above are not intended to equal the totals at the system level. Room and zone sensible gains and cooling CFM values are for the hour in which the glass sensible gain for the zone is at its peak. Sensible gains at the system level are based on the'Average Load Procedure + Excursion" method Type: Model: lndoor Model: Brand: Efficiency: Sound: Capacity: Sensible Capacity: Latent Capacity: NaturalGas Furnace Standard Air Conditioner O AFUE O SEER 0 0 Btuh 0 0 Btuh 0 Btuh 0 Btuh nla nla C:\Users\bboy2\Documents\Elite Software\Rhvac 9 Projects\Chavez-ADU.rh9 Tuesday, April 15,2025,9:13 PM