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HomeMy WebLinkAboutHVAC LOAD ANALYSISNew Horizons HVAC Load Analysis for New Horizons 4500 West Midway Road Fort Pierce, Florida 6'0 -- I Eric J. Svoboda, PE Fort Pierce Engineering, Inc. 315 South 7th Street Fort Pierce, FL 34950 772-672-4636 Monday, August 20, 2018 ads Calculation, Ch'vaq - F�11 CommerclafHVAq Lo P zlfte ar so" 9 D�aval6piT�ent, llonc.,�� erce, nq-' FortPi' ' E no, e Ho rIz h "'New" Horlzohs esd �6'&-ilii A4q50' erce 51 g Building Summa!y Loads Building peaks in August at 4pm. �66 ;oof6f�'' pt Net' "Y(Net' aun', 0- L e SS,, L Ga i 6 Q`­ aint, , GJ­ Ain Gain Roof 10,450 17,242 19.04 0 22,107 22,107 7.93 Wall 4,911 12,965 14.32 0 9,214 9,214 3.30 Glass 501 13,722 15.16 0 30,701 30,701 11.01 Floor Slab 451 9,227 10.19 0 0 0 0.00 Skin Loads 53,157 58.71 0 62,023 62,023 22.25 Lighting 20,899 0 0.00 0 71,310 71,310 25.58 Equipment 10,450 0 0.00 0 35,655 35,655 12.79 Pool Latent 0 0 0.00 0 0 0 0.00 People 83 0 0.00 16,600 20,750 37,350 13.40 Partition 0 0 0.00 0 0 0 0.00 Cool. Pret. 0 0 0.00 0 0 0 0.00 Heat. Pret. 0 0 0.00 0 0 0 0.00 Cool. Vent. 1,050 0 0.00 47,321 23,079 70,400 25.25 Heat. Vent. 1,050 37,388 41.29 0 0 0 0.00 Cool. Infil. 0 0 0.00 0 0 0 0.00 Heat. Infil. 0 0 0.00 0 0 0 0.00 Draw-Thru Fan 0 0 0.00 0 2,056 2,056 0.74 Blow-Thru Fan 0 0 0.00 0 0 0 0.00 Reserve Cap. 0 0 0.00 0 0 0 0.00 Reheat Cap. 0 0 0.00 0 0 0 0.00 Supply Duct 0 0 0.00 0 0 0 0.00 Return Duct 0 0 0.00 0 0 0 0.00 Misc. Supply 0 0 0.00 0 0 0 0.00 Misc. Return 0 0 0.00 0 0 0 0.00 Building Totals 90,545 100.00 63,921 214,873 278,794 100.00 13: Sea Let N' Net Sd Lo%s'� Loss Ga'in ai"' 1� 0 ry `v-Gaift,' a m 4 Ventilation 37,388 41.29 47,321 23,079 70,400 25.25 Infiltration 0 0.00 0 0 0 0.00 Pretreated Air 0 0.00 0 0 0 0.00 Room . 11bads" ' 53,157 58.71 16,600 189,738 206,338 74.01 PlenA Loads,,- 0 0.00 0 0 0 0.00 Farurbu:�VMisc Loads 0 0.00 0 2,056 2,056 0.74 Buildiric[ Totals P6,545 100.00 63,921 214,873 278,794 100.00 1Q-h Total Buildirig,86pply Aii-(I�iieb on a 21 0 TD): 8,588 CFM Total BuildiAg �ent. ;�V(1'�,23-% of Supply): 1,050 CFM Total Conditioned Air Space: 10,450 Sq.ft Supply Air Per Unit Area: 0.8218 CFM/Sq.ft Area Per Cooling Capacity: 449.8 Sq.ft/Ton Cooling Capacity Per Area: 0.0022 Tons/Sq.ft Heating Capacity Per Area: 8.66 Btuh/Sq.ft Total Heating Required With Outside Air: 90,545 Btuh Total Cooling Required With Outside Air: 23.23 Tons % Va, tj ZA ... \New Horizons Heat Load.CH8 Monday, August 20, 2018, 02:39 PM Air Handier #1 - AHU 1 - Summaly Loads Rm Description Htg. Loss 'Sen.G No R�Qorn Peak f irnfe Pebple Htg.rFM Clg.bl V61urhe CFM/Sqft CIFIVI/c, 1 Records 2,710 14,166 51,162 2,600 Direct Direct 4pm August 13 656 2,360 0 264 264 27,100 0.24 0.87 0 276 271 -- - - 2 ------- — ----- Office 156 257 2,443 400 Direct Direct 3pm August 2 12 112 0 15 15 1,560 0.08 0.72 0 5 13 3 Data 72 119 897 0 Direct Direct 3pm August 0 6 41 0 7 7 720 0.08 0.57 0 2 5 4 Mechanical 144 863 2,095 0 Direct Direct 6pm August 0 40 96 0 14 14 1,440 0.28 0.67 0 17 11 Room Peak Totals: 3,082 15,405 56,595 3,000 Total Rooms: 4 15 714 2,600 0 300 300 Unique Rooms: 4 30,820 0.23 0.84 0 300 300 Z:k...\New Horizons Heat Load.CH8 Monday, August 20, 2018, 02:39 PM Chvec -Full Commercial HVAC Loads Calculation Program I'm �Elite Software 6evelopmenti Inc.. RkPie�iceEnqineennq _N _0qriz9nsj E6 Et Ei�rnp__' FL 3 4 950 Facie 4 1 Air Handier #1 - AHU I - Total Load Summaty Air Handler Description: AHU 1 Constant Volume -Proportion Supply Air Fan: Draw-Thru with program estimated horsepower of 0.25 HP Fan Input: 0% motor and fan efficiency with 0 in. water across the fan Sensible Heat Ratio: 0.95 -- This system occurs I time(s) in the building. Air System Peak Time: 4pm in August Outdoor Conditions: Clg: 95* DB, 80' WB, 131.77 grains, Htg: 42* DB Indoor Conditions: Clg: 75' DB, 50% RH, Htg: 760 1313 Summer: Ventilation controls outside air, -- Winter: Ventilation controls outside air. Room Space sensible loss: 15,405 Btuh Infiltration sensible loss: 0 Btuh 0 CFM Outside Air sensible loss: 10,682 Btuh 300 CFM Supply Duct sensible loss: 0 Btuh Return Duct sensible loss: 0 Btuh Return Plenum sensible loss: 0 Btuh Total System sensible loss: 26,088 Btuh Heating Supply Air: 15,405 / (.999 X 1.08 X 20) 714 CFM Writer Vent Outside Air (42.0% of supply) = 300 CFM Room space sensible gain: 56,517 Btuh Infiltration sensible gain: 0 Btuh Draw-thru fan sensible gain: 622 Btuh Supply duct sensible gain: 0 Btuh Reserve sensible gain: 0 Btuh Total sensible gain on supply side of coil: 57,140 Btuh Cooling Supply Air: 57,140 / (.999 X 1.1 X 20) 2,600 CFM Summer Vent Outside Air (11.5% of supply) = 300 CFM Return duct sensible gain: 0 Btuh Return plenum sensible gain: 0 Btuh Outside air sensible gain: 6,594 Btuh 300 CFM Blow-thru fan sensible gain: 0 Btuh Total sensible gain on return side of coil: 6,594 Btuh Total sensible gain on air handling system: 63,734 Btuh Room space latent gain: 3,000 Btuh Infiltration latent gain: 0 Btuh Outside air latent gain: 13,520 Btuh Total latent gain on air handling system: 16,520 Btuh Total system sensible and latent gain: 80,254 Btuh Total Air Handler Supply Air (based on a 200 TD): 2,600 CFM Total Air Handler Vent. Air (11.54% of Supply): 300 CFM Total Conditioned Air Space: 3,082 Sq.ft Supply Air Per Unit Area: 0.8435 CFM/Sq.ft Area Per Cooling Capacity: 460.8 Sq.ftrron Cooling Capacity Per Area: 0.0022 Tons/Sq.ft Heating Capacity Per Area: 8.46 Btuh/Sq.ft Total Heating Required With Outside Air: 26,088 Btuh Total Cooling Required With Outside Air: 6.69 Tons ZA ... New Horizons Heat Load.CH8 Monday, August 20, 2018, 02:39 PM 'Elite Software Development, Inc Chvac - Full CommorclallHVAC Loads6waymFlatiori Program Fort Pierce Ehqlneering Fort Pierce, FL 34950 Air Handier #2 - AHU 2 - Summa!y Loads RM [Description 'Area Htg10 . ss Sen.Gain Lat. Gain,"L". Htg-. C19: 0A. No-' Roorl'I'lPeak Time 9-CF.M P1g, CTM S Exh eq_& M1 1 6 lf.0 I F Is, W I,-` �� , a Vdluffie` � CFM/Sqft CFM/Scfft W.Exhll , -Act.CRII:�r 5 Office 1 169 2,006 4,144 400 Direct Direct 9am August 2 93 173 0 16 16 1,690 0.55 1.02 0 35 20 6 Office 2 169 1,328 4,032 400 Direct Direct 9am August 2 62 168 0 16 16 1,690 0.36 0.99 0 23 19 7 Office 3 169 1,328 4,032 400 Direct Direct 9am August 2 62 168 0 16 16 1,690 0.36 0.99 0 23 19 8 Office 4 325 2,530 7,638 600 Direct Direct gam August 3 117 318 0 30 30 3,250 0.36 0.98 0 45 36 9 Office 5 169 --- - - 1,328 ----- 4,032 400 Direct Direct 9am August 2 62 168 0 16 16 1,690 0.36 0.99 0 23 19 10 Office 6 169 1,328 4,032 400 Direct Direct 9am August 2 62 168 0 16 16 1,690 0.36 0.99 0 23 19 11 Office7 273 450 3,899 400 Direct Direct 3pm August 2 21 163 0 25 25 2,730 0.08 0.60 0 8 18 12 Office 8 156 257 2,443 400 Direct Direct 3pm August 2 12 102 0 14 14 1,560 0.08 0.65 0 5 12 13 Office 9 330 645 4,859 600 Direct Direct 3pm August 3 25 203 0 30 30 3,300 0.08 0.61 0 10 23 14 Hall 522 1,642 8,554 800 Direct Direct 1 pm August 4 76 357 0 48 48 5,220 0.15 0.68 0 29 40 Room Peak Totals: 2,451 12,742 47,665 4,800 Total Rooms: 10 24 590 1,987 0 225 225 Unique Rooms: 10 24,510 0.24 0.81 0 225 225 Z:% ... NNew Horizons Heat Load.CHB Monday, August 20, 2018. 02:39 PM Air Handier #2 - AHU 2 - Total Load Summary Air Handier Description: AHU 2 Constant Volume - Proportion Supply Air Fan: Draw-Thru with program estimated horsepower of 0.19 HP Faninput: 0% motor and fan efficiency with 0 in. water across the fan Sensible Heat Ratio: 0.90 -- This system occurs I time(s) in the building. Air System Peak Time: 2pm in August. Outdoor Conditions: Clg: 95' DB, 80'WB, 131.77 grains, Htg: 42* DB Indoor Conditions: Clg: 75* DB, 50% RH, Htg: 750 DB Because of the diversity in room, plenum and ventilation loads, the room sensible peak time in August at 9arn is different from the total system peak time, hence the air system CFM was computed using a room sensible load of 45,377. Summer: Ventilation controls outside air, -- Writer: Ventilation controls outside air. Room Space sensible loss: 12,742 Btuh Infiltration sensible loss: 0 Btuh Outside Air sensible loss: 8,012 Btuh Supply Duct sensible loss: 0 Btuh Return Duct sensible loss: 0 Btuh Return Plenum sensible loss: 0 Btuh Total System sensible loss: Heating Supply Air: 12,742 / (.999 X 1.08 X 20) Winter Vent Outside Air (38.1 % of supply) = Room space sensible gain: 44,303 Btuh Infiltration sensible gain: 0 Btuh Draw-thru fan sensible gain: 476 Btuh Supply duct sensible gain: 0 Btuh Reserve sensible gain: 0 Btuh Total sensible gain on supply side of coil: Cooling Supply Air: 45,852 / (.999 X 1.1 X 21) Summer Vent Outside Air (11.3% of supply) = Return duct sensible gain: 0 Btuh Return plenum sensible gain: 0 Btuh Outside air sensible gain: 4,946 Btuh Blow-thru fan sensible gain: 0 Btuh Total sensible gain on return side of coil: Total sensible gain on air handling system: Room space latent gain: 4,800 Btuh Infiltration latent gain: 0 Btuh Outside air latent gain: 10,140 Btuh Total latent gain on air handling system: Total system sensible and latent gain: 0 CFM 225 CFM 590 CFM 225 CFM 1,987 CFM 225 CFM 225 CFM Che­c-k Figures Total Air Handier Supply Air (based on a 21 0 TD): 1,987 CFM Total Air Handier Vent. Air (11.33% of Supply): 225 CFM Total Conditioned Air Space: 2,451 Sq.ft Supply Air Per Unit Area: 0.8106 CFM/Sq.ft Area Per Cooling Capacity: 454.8 Sq.fttTon Cooling Capacity Per Area: 0.0022 Tons/Sq.ft Heating Capacity Per Area: 8.47 Btuh/Sq.ft Total Heating Required With Outside Air: 20,753 Btuh Total Cooling Required With Outside Air: 5.39 Tons 20,,753 Btuh 44,778 Btuh 4,946 Btuh 49,724 Btuh 14,940 Btuh 64,664 Btuh Z:\ ... \New Horizons Heat Load.131-18 Monday, August 20, 2018, 02:39 PM Chvac - Full Corn I marcial HVAC Load!L - . __Flallon ProAram A Elltd1oftware,DdvelopTept, Inc. Ne Fort plerc .6 Fort Pierce, ngi ne er nq E 'I'll FL 34950 4'. v � ;'�' — Air Handier #3 - AHU 3 - Summary Loads Rm Des�cription Area Mg. Loss Sen.Qain Lat.Gaini, No Room Peak Time People., Htg.&M 019.CFM:. � 1� eq. P, "�CFFMJ'p'z�' q� Volume QFM/86ft CFM/SOft Act.QE 15 Conference Room 648 4,008 15,859 1,600 Direct Direct 4pm August 8 186 625 0 73 73 6,480 0.29 0.97 0 96 82 16 Closet 90 149 1,121 0 Direct Direct 3pm August 0 7 44 0 10 10 900 0.08 0.49 0 4 6 17 Computer Lab 357 589 5,945 1,200 Direct Direct 3pm August 6 27 234 0 40 40 3,570 0.08 0.66 0 14 31 18 Women 112 185 1,645 200 Direct Direct 3pm August 1 9 65 0 13 13 1,120 0.08 0.58 0 4 9 19 Men 112 185 1,645 200 Direct Direct 3pm August 1 9 65 0 13 13 1,120 0.08 0.58 0 4 9 20 Janitor 98 162 1,220 0 Direct Direct 3pm August 0 7 48 0 11 11 980 0.08 0.49 0 4 6 21 Copier 112 185 1,645 200 Direct Direct 3pm August 1 9 66 0 13 13 1,120 0.08 0.58 0 4 9 22 Reception 196 1,423 4,336 400 Direct Direct 9am August 2 66 171 0 22 22 1,950 0.34 0.88 0 34 22 23 Waiting 234 3,054 10,930 800 Direct Direct 8am August 4 142 431 0 26 26 2,340 0.60 1.84 0 73 67 24 Hall 275 464 3,924 400 Direct Direct 3pm August 2 21 155 0 31 31 2,750 0.08 0.56 0 11 20 Room Peak Totals: 2,233 10,393 48,270 5,000 Total Rooms: 10 25 482 1,903 0 250 250 Unique Rooms: 10 22,330 0.22 0.85 0 250 250 ZA ... \New Horizons Heat Load.CH8 Monday, August 20, 2018, 02:39 PM Air Handier #3 - AHU 3 - Total Load Summaty Air Handier Description: AHU 3 Constant Volume - Proportion Supply Air Fan: Draw-Thru with program estimated horsepower of 0.18 HP Fan Input: 0% motor and fan efficiency with 0 in. water across the fan Sensible Heat Ratio: 0.90 — This system occurs 1 time(s) in the building. --- AJr System Peak Time: 4pm in August Outdoor Conditions: Cig: 95* DB, 80* WB, 131.77 grains, Htg: 42' DB Indoor Conditions: Clg: 75* DB, 50% RH, Htg: 75* DB Summer: Ventilation controls outside air - ----- Winter: Ventilation controls outside air. Room Space sensible loss: 10,393 Btuh Infiltration sensible loss: 0 Btuh 0 CFM Outside Air sensible loss: 8,902 Btuh 250 CFM Supply Duct sensible loss: 0 Btuh Return Duct sensible loss: 0 Btuh Return Plenum sensible loss: 0 Btuh Total System sensible loss: 19,295 Btuh Heating Supply Air: 10,393 / (.999 X 1.08 X 20) 482 CFM Winter Vent Outside Air (51.9% of supply) = 250 CFM Room space sensible gain: 43,471 Btuh Infiltration sensible gain: 0 Btuh Draw-thru fan sensible gain: 456 Btuh Supply duct sensible gain: 0 Btuh Reserve sensible gain: 0 Btuh Total sensible gain on supply side of coil: 43,926 Btuh Cooling Supply Air: 43,926 / (.999 X 1.1 X 21) 1,903 CFM Summer Vent Outside Air (13.1 % of supply) = 250 CFM Return duct sensible gain: 0 Btuh Return plenum sensible gain: 0 Btuh Outside air sensible gain: 5,495 Btuh 250 CFM Blow-thru fan sensible gain: 0 Btuh Total sensible gain on return side of coil: 5,495 Btuh Total sensible gain on air handling system: 49,421 Btuh Room space latent gain: 5,000 Btuh Infiltration latent gain: 0 Btuh Outside air latent gain: 11,267 Btuh Total latent gain on air handling system: 16,267 Btuh Total system sensible and latent gain: 65,688 Btuh Total Air Handier Supply Air (based on a 21 * TD): 1,903 CFM Total Air Handier Vent. Air (13.14% of Supply): 250 CFM Total Conditioned Air Space: 2,233 Sq.ft Supply Air Per Unit Area: 0.8523 CFM/Sq.ft Area Per Cooling Capacity: 407.9 Sq.ftrron Cooling Capacity Per Area: 0.0025 Tons/Sq.ft Heating Capacity Per Area: 8.64 Btuh/Sq.ft Total Heating Required With Outside Air: 19,295 Btu h Total Cooling Required With Outside AJr: 5.47 Tons Z:\ ... \New Horizons Heat Load.CH8 Monday, August 20, 2018, 02:39 PM EmIneerling INew!H Fort Pierce IT.rt FL 34950, I Air Handler #4 - AHU 4 - Summa!y Loads aj C ri pti iknn besc' bg.�Lpss Sen,.Gajm-'� No Room ,Peak Tlibe IIHtj'.CFM Clg.:CFM,, S E' qC10 I 4�' eq,. CFM/'C -�L�"­)&Ekhi "Qi FWS'aft 25 Maintenance 851 4pm August 6 8,505 26 Office 143 3pm August 1 1,430 27 RR 49 3pm August 1 490 28 Mechanical 144 6pm August 0 1,440 Room Peak Totals: 1,187 Total Rooms: 4 8 Unique Rooms: 4 11,865 5,429 17,026 1,200 Direct Direct 252 780 0 90 90 0.30 0.92 0 103 97 236 2,031 200 Direct Direct 11 93 0 15 15 0.08 0.65 0 4 12 81 860 200 Direct Direct 4 39 0 5 5 0.08 0.80 0 2 5 863 2,095 0 Direct Direct 40 96 0 15 15 0.28 0.67 0 16 12 6,609 22,011 1,600 306 1,009 0 125 126 0.26 0.85 0 125 125 Z:\ ... \New Horizons Heat Load.CH8 Monday, August 20, 2018, 02:39 PM Air Handler Description: AHU 4 Constant Volume - Proportion Supply Air Fan: Draw-Thru with program estimated horsepower of 0.10 HP Fan Input: 0% motor and fan efficiency with 0 in. water across the fan Sensible Heat Ratio: 0.93 --- This system occurs 1 time(s) in the building. --- Air System Peak Time: 4pm in August. Outdoor Conditions: Cig: 95* 1313, 80* WB, 131.77 grains, Htg: 42* DB Indoor Conditions: Cig: 75* DB, 50% RH, Htg: 750 DB Summer: Ventilation controls outside air - ----- Winter: Ventilation controls outside air. Room Space sensible loss: 6,609 Btuh Infiltration sensible loss: 0 Btuh 0 CFM Outside Air sensible loss: 4,451 Btuh 125 CFM Supply Duct sensible loss: 0 Btuh Return Duct sensible loss: 0 Btuh Return Plenum sensible loss: 0 Btuh Total System sensible loss: 11,060 Btuh Heating Supply Air: 6,609 / (.999 X 1.08 X 20) 306 CFM Writer Vent Outside AJr (40.8% of supply) = 125 CFM Room space sensible gain: 21,937 Btuh Infiltration sensible gain: 0 Btuh Draw-thru fan sensible gain: 242 Btuh Supply duct sensible gain: 0 Btuh Reserve sensible gain: 0 Btuh Total sensible gain on supply side of coil: 22,178 Btuh Cooling Supply Air: 22,178 / (.999 X 1.1 X 20) Summer Vent Outside Air (12.4% of supply) = Return duct sensible gain: 0 Btuh Return plenum sensible gain: 0 Btuh Outside air sensible gain: 2,748 Btuh Blow-thru fan sensible gain: 0 Btuh Total sensible gain on return side of coil: Total sensible gain on air handling system: Room space latent gain: 1,600 Btuh Infiltration latent gain: 0 Btuh Outside air latent gain: 5,633 Btuh Total latent gain on air handling system: Total system sensible and latent gain: 1,009 CFM 125 CFM 1 125 CFM Total Air Handler Supply Air (based on a 200 TD): 1,009 CFM Total Air Handler Vent. Air (12.39% of Supply): 125 CFM Total Conditioned Air Space: 1,187 Sq.ft Supply*r Per Unit Area: 0.8504 CFM/Sq.ft Area Per Cooling Capacity: 442.7 Sq.ftrron Cooling Capacity Per Area: 0.0023 Tons/Sq.ft Heating Capacity Per Area: 9.32 Btuh/Sq.ft Total Heating Required Wth Outside Air: 11,060 Btuh Total Cooling Required With Outside Air: 2.68 Tons 2,748 Btuh 24,926 Btuh 7,233 Btuh 32,159 Btuh ZA ... \New Horizons Heat Load.CH8 Monday, August 20, 2018. 02:39 PM Elite Software Development, Inc. Chyac - Full Commercial HVAC Loads fation Pr6ararn Fort Pierce Enqlneen . nq [Fort Pierce, FL 34950 New Horizons [!age j I Air Handier #5 - AHU 5 - Summmy Loads Rm Description -Arda" H Sen.Gain: .,.,.,LatGainj(f�;'1-,- t "Cl, No Roorn'Pe -;?eople,, Htg.CFM Clg.Cl FM,:. ��'..,-,��&Exh �4R -*CFM i&ExhI '6q @11F M i V61fime' CFM crft M,/- QF So W. Exh ir ... �W.Exhi rchii 'C' I 29 Purchasing 1,161 6,776 19,780 1,600 Direct Direct 2pm August 8 314 865 0 116 116 11,610 0.27 0.76 0 127 119 30 Office 1 144 238 2,043 200 Direct Direct 3pm August 1 11 89 0 14 14 1,440 0.08 0.62 0 4 12 31 Office 2 143 914 2,207 200 Direct Direct 4pm August 1 42 97 0 14 14 1,430 0.30 0.68 0 17 13 32 RR 49 81 860 200 Direct Direct 3pm August 1 4 38 0 5 5 490 0.08 0.77 0 2 5 Room Peak Totals: 1,497 8,008 24,890 2,200 Total Rooms: 4 11 371 1,089 0 150 150 Unique Rooms: 4 14,970 0.25 0.73 0 150 150 Z:\ ... \New Horizons Heat Load.CH8 I Monday, August 20, 2018, 02:39 PM Air Handler Description: AHU 5 Constant Volume - Proportion Supply Air Fan: Draw-Thru with program estimated horsepower of 0.10 HP Fan Input: 0% motor and fan efficiency with 0 in. water across the fan Sensible Heat Ratio: 0.92 — This system occurs 1 time(s) in the building. -- Air System Peak Time: 3pm in August. Outdoor Conditions: CIg: 950 IDS, 800 WB, 131.03 grains, Htg: 42' DB Indoor Conditions: Clg: 750 DB, 50% RH, Htg: 75' DB , Summer: Ventilation controls outside air - ----- Writer: Ventilation controls outside air. Room Space sensible loss: 8,008 Btuh Infiltration sensible loss: 0 Btuh 0 CFM Outside Air sensible loss: 5,341 Btuh 150 CFM Supply Duct sensible loss: 0 Btuh Return Duct sensible loss: 0 Btuh Return Plenum sensible loss: 0 Btuh Total System sensible loss: Heating Supply Air: 8,008 / (.999 X 1.08 X 20) 371 CFM Winter Vent Outside Air (40.4% of supply) = 150 CFM 13,349 Btuh Room space sensible gain: 24,875 Btuh Infiltration sensible gain: 0 Btuh Draw-thru fan sensible gain: 261 Btuh Supply duct sensible gain: 0 Btuh Reserve sensible gain: 0 Btuh Total sensible gain on supply side of coil: 25,136 Btuh Cooling Supply Air: 26,136 / (.999 X 1.1 X 21) 1,089 CFM Summer Vent Outside Air (13.8% of supply) = 150 CFM Return duct sensible gain: 0 Btuh Return plenum sensible gain: 0 Btuh Outside air sensible gain: 3,297 Btuh 150 CFM Blow-thru fan sensible gain: 0 Btuh Total sensible gain on return side of coil: Total sensible gain on air handling system: 3,297 Stun 28,433 Stun Room space latent gain: 2,200 Btuh Infiltration latent gain: 0 Btuh Outside air latent gain: 6,760 Btuh Total latent gain on air ' handling system: Total system sensible and latent gain: 8,960 Btuh 37,393 Btuh ch6ck.'Fig''u"re's .. .... Total Air Handler Supply Air (based on a 21 TD): 1,089 CFM Total Air Handler Vent. Air (13.77% of Supply): 150 CFM Total Conditioned Air Space: 1,497 Sq.ft Supply Air Per Unit Area: 0.7275 CFM/Sq.ft Area Per Cooling Capacity: 480.4 Sq.ftrron Cooling Capacity Per Area: 0.0021 Tons/Sq.ft Heating Capacity Per Area: 8.92 Btuh/Sq.ft Total Heating Required With Outside Air: 13,349 Btuh Total Cooling Required With Outside Air: 3.12 Tons Z:\ ... New Horizons Heat Load.CH8 Monday, August 20, 2018. 02:39 PM