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HomeMy WebLinkAboutRESIDENTIAL SYSTEM SIZING CALCULATIONCANNED f st Lucie County Residential System Sizing Calculation 434 SE NARANJA PORT ST LUCIE, FL Summary Project Title: CASA ENTRECE 10/4/2018 Location for weather data: Fort Pierce, FL - Defaults. Latitude(27.48) Altitude(25 ft.) Temp Range(L) Humidi data: Interior RH 50% Outdoor wet bulb 78F Humiditv difference 62 r. Winter design temperature(TMY3 99%) 40 F Summer design temperature(TMY3 99%) 91 F Winter setpoint 70 F Summer setpoint 75 F Winter temperature difference 30 F Summer temperature difference 16 F heatinq load calculation 44606 Btuh Total cooling load calculation 52845 Btuh _Total Submitted heating capacity % of talc Btuh Submitted cooling capacity % of calc Btuh Total (Electric Strip Heat) 104.2 46500 Sensible (SHR = 0.75) 115.3 43425 Latent 95A 14475 Total 109.6 57900 WINTER CALCULATIONS Winter Heatinq Load (for 2461 soft Load component Load Window total 288 sqft 5267 Btuh Wall total 2188 sqft 9255 Btuh Door total 24 sqft 331 Btuh Ceiling total 2461 sqft 2351 Btuh Floor total See detail -report 6832 Btuh Infiltration 97 cfm 3196. Btuh Duct loss 17374 Btuh Subtotal 44606 Btuh Ventilation 0 cfm 0 Btuh TOTAL HEAT LOSS 1 44606 ' Btuh Summer Cooling Load (for 2461 soft VJalls(20.745} Ceilinfi gs(5 30, ) Floors{15.3%) Ysindows(11,8%) I Duds{3$.9°'0) SUMMER CALCULATIONS Load com onent Load Window total 288 sqft 6670 Btuh Wall total 2188 sgft 5001 Stun Door total 24 sqft 342 Btuh Ceiling total 2461 sqft 3527 Btuh Floor total 0 Btuh Infiltration 73 cfm 1278 Btuh Internal gain 3500 Btuh Duct gain 17352 Btuh Sens. Ventilation 0 cfm 0 Stuh Slower Load 0 Btuh Total sensible gain 37670 Btuh Latent gain(ducts) 10113 Btuh Latent gain(infiltration) 3062 Btuh Latent gain(ventilation) 0 Btuh Latent gain(intemal/occupantslother) 2000 • Btuh Total .latent gain 15175 Btuh TOTAL HEAT GAIN 52845 Btuh Fol, °'{k • • w hEH�r, Doors(0.6%) a - --- ' Ceilingsffi.?°oj . Nindows(12.6°�iyi�' DuctsiM.0°') EnergyGauge® PREPARED BY: DATE:/ EnergyGauge®/ USRCZB v6.0 A: ua ®—X�qif Int.Gain(6.6°o) System Residential 434 SE NARANJA PORT ST LUCIE, FL Sizing Calculations - Summer Lead - Room by -Room Component DetaHs Project Title: CASA ENTRECE 10/412018 Reference City: Fort Pierce, FL Temperature Difference: 16.OF(TMY3 99%) Humidity difference: 62gr. This calculation is for Worst Case. The house has been rotated 270 degrees. I Type* Overhang Window Area(sqft) HTM Load Window Panes SHGC U InSh IS Omt Len H t Gross Shaded Unshaded Shaded Unshaded 1 1 NFRC 0.22, 0.61 No No W 2.Oft 0.5ft 30.0 7.0 23.0 14 31 817 Btuh 2 1 NFRC 0.22, 0.61 No No W 10.0f 0.5ft 56.0 46.8 9.2 14 31 963 Btuh 3 1 NFRC 0.22, 0.61 No No W 2.Oft 0.5ft 22.5 5.2 17.3 14 31 613 Btuh 4 1 NFRC 0.22. 0.61 No No N 2.Oft 0.5ft 3.3 0.0 3.3 14 14 48 Btuh 5 1 NFRC 0.22, 0.61 No No N r2.Oft 0.5ft 20.0 0.0 20.0 14 14 289 Btuh 6 1 NFRC 0.22, 0.61 No No E 2.Oft 0.5ft 36.0 7.0 29.0 14 31 1004 Btuh 7 1 NFRC 0.22, 0.61 No No N 28.Of 0.5ft 24.0 0.0 24.0 14 14 347 Btuh Window Total 192 (s ft) 4083 Btuh Walls Type U-Value R-Value Area(sqft) HTM Load Cav/Sheath 1 Concrete Blk,Hollow- Ext 0.15 4.110.0 261.5 2.4 624 Stuh 2 Concrete BIk,Hollow - Ext 0.15 4.1/0.0 406.7 2.4 971 Btuh 3 Frame - Wood - Ext 0.09 11.0/0.0 16.0 2.8 44 Btuh 4 Frame - Wood - Ext 0.09 11.0/0.0 20.0 2.8 55 Btuh 5 Frame - Wood - Ext 0.09 11.010.0 16.0 2.8 44 Btuh 6 Concrete Blk,Hollow- Ext 0.15 4.1/0.0 280.0 2.4 669 Btuh 7 Frame - Wood - Ad.1 0.09 11.010.0 280.0 1.5 425 Btuh 11 Concrete Blk,Hollow - Ext 0.15 4.1/0.0 344.0 2.4 821 Btuh Wall Total 1624 (s ft) 3654 Btuh Doors Type Area (sgft) HTM Load i 1 Wood - Exterior 24.0 14.3 342 Btuh Door Total 24 sgft 342 Btuh Ceilings Type/Color/Surface U-Value R Value Area(sqft) HTM Load i Vented Attic/Light/Metal 0.032 30.0/0.0 1957.0 1.43 2805 Btuh Ceiling Total 1957 s ft 2805 Btuh Floors Type R-Value Size HTM Load 1 Slab On Grade 0.0 1957 (ft-perimeter) 0.0 0 Btuh Floor Total 1957.0 (sgft) 0 Btuh Zone Envelope Subtotal: 10884 Btuh Infiltration Type Wholehouse ACH Volume(cuft) Wall Ratio CFM= Natural 0.18 19570 0.74 54.0 Load 949 Btuh Internal gain Occupants Btuh/occupant Appliance 8 X 230 + 1200 Load 3040 Btuh Sensible Envelope Load: 14872 Btuh Duct load Average sealed, Supply(R6.0-Attic), Retum(R6.0-Attic) (DGM of 0.863) 12831 Btuh Sensible Zone Load 27704 Btuh EnergyGaugeO / USRCZB v6.0 Page 1 Manual J Summer Calculations Residential Load - Component Details (continued) Project Title: Climate: FL-VERO_BEACH_MUNICIPAL A 434 SE NARANJA CASA ENTRECE PORT ST LUCIE, FL 10/4/2018 :•Go o ent:Laads,;f�o� o I: o : n m•< Type* Overhang Window Area(sqft) HTM Load Window Panes SHGC U InSh IS Ornt Len H t Gross Shaded Unshaded Shaded Unshaded 8 1 NFRC 0.22, 0.61 No No N 28.Of 0.5ft 16.0 0.0 16.0 14 14 232 Btuh 9 1 NFRC 0.22, 0.61 No No E 2.0ft 0.5ft 36.0 7.0 29.0 14 31 1004 Btuh 10 1 NFRC 0.22, 0.61 No No S 2.0ft 0.5ft 20.0 20.0 0.0 14 16 289 Btuh 11 1 NFRC 0.22, 0.61 No No S 2.Oft 0.5ft 12.0 12.0 0.0, 14• 16 174 Btuh 12 1 NFRC 0.22, 0.61 No No S 2.Oft 0.5ft 12.0 12.0 0.0 14 16 174 Btuh Window Total 1 96 sgft - 1872 Btuh Walls Type U-Value R-Value Area(sgft) HTM Load Cav/Sheath 8 Concrete Blk,Hollow - Ext 0.15 4.1/0.0 144.0 2.4 344 Btuh 9 Concrete Blk,Hollow - Ext 0.15 4.1/0.0 104.0 2.4 248 Btuh 10 Concrete Blk,Hollow - Ext 0.15 4.1/0.0 316.0 2.4 755 Btuh Wall Total 564 s ft) 1347 Btuh Ceilings Type/Color/Surface U-Value R-Value Area(s ft) HTM - Load 2 Vented AtticlUght/Metal 0.032 30.0/0.0 504.0 1.43 722 Btuh Ceiling Total 504 (s ft) 722 Btuh Floors Type R-Value Size HTM Load 2 Slab On Grade 0.0 504 (ft-perimeter) 0.0 0 Btuh Floor Total 504.0 sgft 0 Btuh Zone Envelope Subtotal: 3941 Btuh Infiltration Type Wholehouse ACH Volume(cuft) Wall Ratio CFM= Natural 0.18 5040 0,26 18.7 Load 329 Btuh Internal gain Occupants Btuh/occupant Appliance 2 X 230 + 0 Load 460 Btuh Sensible Envelope Load: 4731 Btuh Duct load Average sealed, Supply(R6.0-Attic), Retum(R6:0-Cond.) (DGM of 0.825) 3903 Btuh Sensible Zone Load 8634 Btuh T e...fo h . I o�erin wt :..,:.....::......d g . : _._ _ ... f s ned.tot e;s. .... �...•.t I annit ; Cie=:as i $_ :I.o;3d Windows July excursion for System 1 715 Btuh July excursion for System 2 0 Btuh Excursion Subtotal: 715 Btuh EnergyGaugeG / USRCZB v6.0 Page 2 Manual J Summer, Calculations Residential Load - Component Details (continued) Project Title: Climate: FL VERO_BEACH_MUNICIPAL A 434 SE NARANJA CASA ENTRECE PORT ST LUCIE, FL 10/4/2018 Duct load 617 Btuh Sensible Excursion Load 1332 Btuh EnergyGauge® / USRCZB v6.0 Page 3 Manual J Summer Calculations Residential Load - Component Details (continued) Project Title: Climate:FL VERO_BEACH_MUNICIPAL A 434 SE NARANJA CASA ENTRECE PORT ST LUCIE, FL 10/412018 !• S1�S. fM.GROUIsS: AL OGK.,.L .kDS Sensible Envelope Load 14872 Btuh Window Excursion 715 Btuh Cooling Loads Sensible Duct Load•(duct gainmultiplier of 0.863) (includes 617 Btuh duelo window excursion) 13448 Btuh Sensible ventilation 0 Btuh For System(s): Zone Sensible gain 29036 Btuh 1 Latent infiltration/ventilation gain 2273 Btuh Serving Zones: Latent duct gain 4328:13tuh 1 Latent occupant gain 1600 Btuh Latent other gain 0 Btuh Total block load 37237 Btuh Sensible Envelope Load Window Excursion Cooling Loads Sensible Duct Load (duct gain multiplier of 0.825) Sensible ventilation For System(s): Zone Sensible gain 2 Latent infiltration/ventilation gain Serving Zones: Latent duct gain 2 Latent occupant gain Latent other gain Total block load 4731 Btuh 0 Btuh 3903 Btuh 0 Btuh 8634 Btuh 789 Btuh 5784 Btuh 400 Btuh 0 Btuh 5607 Btuh EnergyGauge® / USRCZB v6.0 page 4 Manual J Summer Calculations Residential Load -'Component Details (continued) Project Title: Climate: FL VERO_BEACH_MUNICIPAL A 434 SE NARANJA CASA ENTRECE PORT ST LUCIE, FL 10/4/20.18 Sensible Envelope Load All Zones 20318 Btuh Sensible Duct Load 17362 Btuh Total Sensible Zone Loads 37670 Btuh Sensible ventilation 0 Btuh Blower 0 Btuh Whole House Total sensible gain 37670 Btuh Totals for Cooling Latent infiltration gain (for 62 gr. humidity difference) 3062 Btuh Latent ventilation gain 0 Btuh . Latent duct gain 10113 Btuh Latent occupant gain (10.0 people @ 200 Btuh per person) 2000 Btuh Latent other gain 0 Btuh Latent total gain 16175 Btuh TOTAL GAIN 62US Btuh E PMENT;: - 1. Central Unit # 40000 Btuh 2. Central Unit # 17900 Btuh 'Key: Window types (Panes - Number and type of.panes of glass) (SHGC - Shading coefficient of glass as SHGC numerical value) (U - Window U-Factor) (InSh - Interior shading device: none(No), Blinds(B), Draperies(D) or Roller Shades(R)) - For Blinds: Assume medium color, half closed For Draperies: Assume medium weave, half closed For Roller shades: Assume translucent, half closed (IS - Insect screen: none(N), Full(F) or Half(°A)) (Omt - compass orientation) EnergyGauge® / USRCZB v6.0 Page 5