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HomeMy WebLinkAboutHeat CalcsHVAC Load Calculations for Miller Residence 1422High Aspen Drive Aspen, Co. RHVAC FIEETuEHrtAL H!f,AC Lo*nE Prepared By: M. Dunne MDA Design Consulting, LLC 5001 N Blazingstar Trail Castle Rock, Co.80109 888-903-6255 Thursday, April 24, 2025 Rhvac is an ACCA approved Manual J, D and S computer program. Calculations are performed per ACCA Manual J 8th Edition, Version 2.50, and ACCA Manual D t I Rhvac . Residential & Light Commercial HVAC Loads tuiDA Desisn Consuiiinq, LLC Elite Software Development, lnc, General Proiect lnformation Designed By: Project Date: Client Nanre: Client Address: Clicnt City: Company Name: Company Representative: Company Address: Company City: Company Phone: Company E-Mail Address: Company Website: MDA 2-23-25 Miller Residence 1422HighAspen Drive Aspen, Co. MDA Design Consulting, LLC M. Dunne 5001 N Blazingstar Trail Castle Rock, Co. 80109 888-903-6255 mdunne@mdadesignconsulting.com MDA Design Consulting.com Reference City: Building Orientation: Daily Temperature Range: Latitude: Elevation: Altitude Factor: Aspen, Colorado Front door faces South High 40 Degrees 8000 ft. 0.743 Winter: Summer: Outdoor Dry Bulb -16 98 Outdoor Wet Bulb -0.78 59 Outdoor Rel.Hum nla 11o/o lndoor Rel.Hum nla 50% lndoor Grains Dry Bulb Difference 70 nla 70 -35 Total Bttildino Sttnnlv CFIVI' 1 qnq Ctrl\rl Pcr Snrrarc ft'-__-__ g --rrJ -' "" Square ft. of Room Area: 4,436 Square ft. Per Ton: Volume (ft'): 34,160* Based on area of rooms being heated or cooled (whichever governs system) rather than entire floor area.** Based on area of rooms being cooled. 'l n.tr7 * 388 ** Total Heating Required lncluding Ventilation Air: Total Sensible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: 73,927 38,988 16,847 55,835 Btuh Btuh Btuh Btuh 73.927 MBH 70% 30% 4.65 Tons (Based On Sensible + Latent) Rhvac is an ACCA approved Manual J, D and S computer program. 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. C:\ ...\Garfield Ctv, Co.-Miller Residence 2-24-25l10 Thursdav. Aoril 24. 2025, 6:22 PM t Elite Software Development, lnc.Rhvac - Residential Light Commercial HVAC Loads MDA Desiqn Gonsultinq, LLC Load Preview Scope Net Ton ft., /Tor Area Sen Gain L",l Gainl Net Gain Sen Loss sys Htg CFM sys clg CFM sys Act CFM 4.65 4.65 16,847 16,847 16,000 0 0 n 0 0 0 0 0 128 -227 173 182 1,128 561 686 -64 -55 0 -409 -91 -1 36 -182 0 0 Buildinq Svstem 1 Misc. Supplv Zone 1 - Clq.: 0%, Htq.: 3% 1-LL Bedrm A Zone 2 - Clq.: 0%. Htq.: 5% 2-LL qame room Zone 3 - Clq.: 0%. Htq.: 5% 3-LL Bedrm B 4-Bathroom 5-Storaqe Zone 4 - Clq.: 35%. Htq.:22o/o 6-Main Level Fover 7-Flex/Bonus Rm 8-Great Room Zone 5 - Clq.: 29%. Hls.'. 12o/o 9-Kitchen-inlerior Zone 1O-Dininq Room 11-Powder Rm 12-Pantrv 13-Laundrv-interior Zone 6 - Clq.: 36%. Htq.: 19% 14-Master Bdrm 15-Master Bath 16-Closet Zone 7 - Clq.: j%o, Htq.: 34o/o l7-Garaoe 388 4,436 388 4,436 252 252 644 644 615 240 100 275 714 154 80 480 549 180 231 42 36 60 542 256 195 91 1,120 1,120 2,081 2,081 3,654 3,654 3,606 2,261 292 1,053 16,397 4,330 1,835 10,232 9,080 2,042 4,591 1,033 733 681 14,037 5,926 4j24 3,987 25,072 25,O72 38,988 38,988 0 0 0 0 0 0 0 0 0 '13,836 2,903 2,209 8,724 11,127 3,302 5,087 972 805 961 14,O25 6,317 4,334 3,374 0 0 55,835 55,835 16,000 0 0 0 0 0 0 0 0 13,964 2,903 2,382 8,906 12,255 3,863 5,773 972 805 961 14,025 6,317 4,334 3,374 0 0 73,927 73,927 1,293 1,293 1,909 1,909 1,909 1,909 36 36 64 64 63 40 5 18 0 0 0 0 0 0 0 0 677 142 108 427 545 162 249 48 39 47 687 309 212 165 0 0 o 0 0 0 0 0 0 0 287 677 76 142 32 108 179 427 159 545 36 162 80 249 18 48 13 39 12 47 245 687 104 309 72 212 70 165 438 0 438 0 C :\ ...\Garfield Cty, Co.-M i I ler Residence-2-24-25.r1 0 Thursday, April 24, 2025, 6:22 PM Total B Loads Rhvac - Residential & Light Commercial HVAG Loads MDA Desiqn Consuiiino, LLG Elite Software Development, lnc. Component Area Sen Lat Sen Total 2A-f-d: Glazing-Double pane low-e (e = 0.60), sliding glass door, insulated fiberglass frame, nlrldonr insect screen with 50% coverage, medium color blinds at 45" with 75% coverage, U-value 0.28, SHGC 0.56 GLASS DOOR: Glazing- 2A-f-d: Glazing-Double pane low-e (e = 0.60), sliding glass door, insulated fiberglass frame, U-value 0.28, SHGC 0.56 11E: Door-Wood - Solid Core With Wood Storm, U-value 0.26 glass dr: Door- 1'lP: Door-Metal - Polyurethane Core, U-value 0.29 15A21-0fcm-10:Wall-Basement, , framing with R-21 sill to floor in 2 x 6 cavity, filled core, no board insulation, plus interiorfinish, metal studs, 10'floor depth, U- value 0.03, above grade U-value 0.09 12F2-6sw: Wall-Frame, R-34 closed cell 2 lb. spray foam insulation in 2 x 6 stud cavity, R-6 board insulation, siding finish, wood studs, U-value 0.021 ceiling: Partition Roof/eeiiing (STD=1 0, WTD=1 0)- CustomFloor3-t: Floor-Slab on grade, Custom, My third example custom floor, tile covering, U-value 0.07 CustomFloor3-v: Floor-Slab on grade, Custom, My third example custom floor, vinyl covering, U-value 0.07 19D1-31csr-v: Floor-Over enclosed crawl space, R-19 insulation on exposed walls, spray foam insulation, ^^^l^i ^-^..,1 ^^^^^ -^ii^-+ n a4 -t--^J ^^il 4 rLJEdTEU Ur dVVr Dpcruttr r clutdilt, F\-o I utulcu vy[ z tu. spray foam, 5 inches in 2 x 10 joist cavity, vinyl 42 16 1,011 385 404 9,730 0 3,512 3,512 0 971 212 800 0 0 384 21,386 0 21,386 0 0 0 611 611 0 0 0 971 212 800 0 0 384 3520.1 99 33 2925.2 537 2,022 5,587 1,858 2,867 35,202 597 198 3,932 24 84 224 720 0 0 0 0 01586.5 0 0 0 0 cgveri4g, U-value 0.036 Subtotals for structure: People: Equipment: Lighting: Ductwork: lnfiltration: Winter CFM:142, Summer CFM: 74 Ventilation: Winter CFM: 0, Summer CFM: 0 Suoolv Misc. Gain: 15 I 900 63,926 0 2,000 16'1 27,876 2,300 641 6,479 0 1,692 0 0 27,876 4,300 802 6,479 0 378 0 16.000 0 10,001 0 0 0 -1,314 0 Total Building Load Totals: '16 ,q00 73,927 16,847 38,988 55,835 Total Building Supply CFM: 1,909 CFM Per Square ft.: Square ft. of Room Area: 4,436 Square ft. Per Ton: Volume (fts): 34,160* Based on area of rooms being heated or cooled (whiehever governs system) rather than entire floor area** Based on area of rooms being cooled. 1.057 * 388 ** Total Heating Required lncluding Ventilation Air: Total Sensible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: 73,927 Bluh 38,988 Btuh 16,847 Btuh 55,835 Btuh BHM ol/o o//o 73.927 70 30 4.65 Tons (Based On Sensible + Latent) Rhvac is an ACCA approved Manual J, D and S computer program. 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. C:\ ...\Garfield Ctv. Co.-Miller Residence 2-24-25:10 Thursdav, Aoril 24. 2025. 6:22 PM Rhvac - Residential & Light Commercial HVAC Loads MDA Desiqn Consulting, LLC Elite Software Development, lnc. Manual S Performance -S m1-WholeHouse Cooling: Outdoor Dry Bulb: Outdoor Wet Bulb lndoor Dry Bulb: lndoor RH: Supply Airflow: 88 59 70 50 1,220 Sensible Gain: Latent Gain: Total Gain: Load SHR: Entering Dry Bulb: Entering Wet Bulb: 38.988 16.847 55.835 0.70 72 60 Heating: Outdoor Dry Bulb lndoor Dry Bulb: lndoor RH: 16 70 30 Sensible Loss: Entering Dry Bulb: Supply Airflow: 73.927 70.0 1,293 This system's equipment was selected in accordance with ACCA Manual S. Gooling: Model Type: Air Cooled Split system, Outdoor Model: ARUN060, lndoor Model: (2)ARNU18 and (1) ARNU15 Nominal Capacity: 60.000, Manufacturer: LG lnterpolation Results: Sensible Capacity Latent Capacity: Total Capacity: 45.000 '15.000 60.000 Load s8.988 16.847 55.835 Percent of Load 115o/o 89% 107% Heating: ModelType: Electric boiler heat pump, Model:W-150, Nominal Capacity: 120.000, Manufacturer: Warmboard Results: Heating Capacity:120.000 Load 73.927 Percent of Load 162% C:\ ...\Garfield Ctv, Co.-Miller Residence 2-24-25.r10 Thursdav. Aoril 24. 2025. 6:22 PM 1 Room Load Summa Rhvac - Residential & Light Commercial HVAC Loads i rh A h^^i^- ^^-^..t.!-- I r ^rvtuA utt)rgr r uul rluriil t!|, LLU * Elite Software Development, lnc, Htg Sens Btuh Min Htg CFM Run Duct Size Run Duct Vel clg Sens Btuh clg Lat Btuh Min Act sys CFM Room No Name Area clg SF CFM ---Zone 1-- 1 LL Bedrm A Zone l subtotal --Zone2--2 LL qame room Zone 2 subtotal --Zone 3-- 3 LL Bedrm B 4 Bathroom 5 Storaqe 252 2,081 36 !4 252 2,081 36 644 3,654 64 0 0 644 3,654 64 0 0 0 0 0 0 0 0 0 0 0 0 0 240 2,261 100 292 215 1,053 615 3,606 40 0-0 0-0 0-0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Zone 3 subtotal --Zone 4-- 6 Main Level Foyer 7 Flex/Bonus Rm 8 Great Room Zone 4 subtotal --Zone 5-- 9 Kitchen-interior Zone 10 Dining Room 11 Powder Rm 12 Pantry 13 Laundry:llLerior ]00 Zone 5 subtotal 549 --Zone 6-- 14 Master Bdrm 256 15 Master Bath 195 '16 Closet 91 Zone 6 subtotal --Zone7--- 17 Garaoe 231 42 36 4,591 1,033 733 681 80 18 13 12 3-0 1-0 1-0 1-0 162 162 972 805 961 11,127 1,128 545 545 14,025 -409 0 0 154 4,330 80 1,835 63 76 32 79 2-0 01-0 04-0 0 -227 173 182 142 108 42748010,232 1 5 18 16,397 287 2,042 36 9,080 159 5,926 4,124 3,987 0 2,903 2,209 0 142 108 427 677 0 0 714 180 13,836 3,302 128 561 677 2-0 0 0 0 0 0 686 -64 -55 0 5,087 249 48 39 47 249 48 39 47 104 72 0 0 0 6,317 4,334 3,374 -91 -1 36 -182 309 212 :165 687 309 212 165 687 3-0 2-0 2,.0 0-0 542 1,120 14,037 25,072 245 438 0 0 0 a 0ZoneT subtotal 1,120 25J[2 438 0 0 [[rss SupplyGarn 16,000 System 1 total 4,436 73,927 1,293 38,988 16,847 1,909 1,909 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. Coolino Svstem Summarv Gooling Sensible/Latent Sensible Latent Total Net Required Actual: 4.65 5.00 70o/o I 30o/o 75% I 25% 38,988 45,000 16,847 15,000 55,835 60,000 Eouioment Data Model: lndoor Model Brand: Description: Heating System Heating System w-150 Warmboard Electric water source heat pump Cooling System Cooling System ARUN060 (2)ARNU18 and (1 ) ARNU15 LG Air cooled condensing unit with mated cooiing coii e:\ ...\Garfield Ctv, Co.-Miller Residence 2-24-25.r10 Thursdav. April 24. 2025. 6:22 PM Rhvac - Residential & Light Commercial HVAG Loads MDA Design Consulting, LLC t Elite Software Development, lnc. 1 Room Load S con Efficiency: Sound: Capacity: Sensible Capacity: Latent Capacity: 80 30 120,000 Btuh nla nla 16 SEER 30 60,000 Btuh 45,000 Btuh 15,000 Btuh This system's equipment was selected in accordance with ACCA Manual S. Manual S equipment sizing data: SODB: 98F, SOWB: 59F, WODB: -16F, SIDB: 70F, SIRH: 50%, WIDB: 70F, Sen. gain 38,988 Btuh, Lat. gain: 16,847 Btuh, Sen. loss:73,927 Btuh, Entering clg. coil DB:70F, Entering clg. coilWB:57.1F, Entering htg. coil DB: 70F, Clg. coilTD: 25F, Htg. coilTD:70F, Req. clg. airflow: 1909 CFM, Req. htg. airflow: 1293 CFM C:\ ...\Garfield Ctv, Co.-Miller Residence 2-24-25.110 Thursdav. Aoril 24. 2025. 6:22 PM ., :.4\L-.E -4ccN-" AkhdfiofrreCon dmdM6 Form RPER 1.01 8 Mar 10 ATTACHED ruon County, Town, Municipality, Jurisdiction Header lnformation Contractor Mechanical License # tsuilding Plan # Home Address (Street or Lot#, Block, Subdivision) REQUIRED ATTACHMENTS1 Manual J'1 Form (and supporting worksheets): or MJlAE Form" (and supporting worksheets): OEM performance data (heating, cooling, blower): Manual Ll Friotion l.{ate Work6he6t: Duct distribution system sketch: YesE ves[l YesEl YesEl YesEl ruolXl ruo! ruo! ruon Residential Plans Examincr Review Form uipment, Ducts)for HVAC S stem Desi n (Loads, E HVAC LOAD CALCULATTON (rRC M1401.s) l-tesign Conditions Winter Design Conditions Outdoor temperature lndoor temperature Total heat loss Summer Design Conditions Outdoor temperature lndoor temperature Grains difference Sensible heat gain Latent heat gain Total heat gain 7 OF 7 927 Btu/h 98 Number of occupants Windows Eave overhang depth 4 Blinds OF t- Ruilding Construction I nformation Building Orientation (Front door faces) 4 North, East, West, South, Northeast, Northwest, Southeast, Southwest Number of bedrooms 2 Conditioned floor area {{f fi Sq ft F ---lNUUI-35 AGr@50 %Rh 9RR Ft 16847 Btu/h Btu/h Btu/h Eave Depth Window lnternal shade Blinds, drapes, etc 835 Number of skylights 0 HVAC EQUTPMENT SELECTTON (rRC tV1401.3) Heating Fquipment Data Equipment type Electric boiler heat pump Furnace, Heat pump, Boiler, etc. Model W-150 Heatins output capacity 120000 Btu/h Heat pumps - capacity at winter design outdoor conditions Auxiliary heat output capacity Btu/h Cooling Fqt tipmpnt frata Equipment type Air Cooled Split system Air Conditioner, Heat pump, etc Model ARUN06O Blower Data Heatins cFM 1000 CFM coorins cFM 1909 cFM Sensible cooling capacity Latent cooling capacity Total cooling capacity 45000 1 5000 60000 Btu/h Btu/h Btu/h HV^C DUCT DTSTR|BUTION SYSTEM DEStcN (tRC M1601.1) Design airflow External Static Pressure (ESP) Component Pressure Losses (CPL) Available Static Pressure (ASP) A.SP=ESP-cPL CFM twc twc twc Longest supply duct: _ Ft Longest return duct: _ Ft Total Effective Length (TEL) Ft Friction Rate: IWC \^r, ^ rvv/ rLL Duct Materials Used (circle) Trunk Duct: Duct board, Flex, Sheet metal, Lined sheet metal, Other (specify) Branch Duct: Duct board, Flex, Sheet metal, Lined sheet metal, Other (specify) ldeclare the load calculation, equipment selection, and duct system desiqn were rigorously performed based on the building plan listed will he srr to rnvinw and vcrification. Contractor's Printed Name Contractor's Signature Date Reserved tor use by County, Town, Munlclpallty, or Authorlty havlng JurlsdlctlonI The AHJ shall have the discretion to accept Required Attachmenls printed from approved ACCA software vendors, see list on page 2 of instructions. ' lf abridged version of Manual J is used for load calculation, then verify residence meets requirements, see Abridged Edition Checklist on page 13 of instructions. Form generated by ACCA-approved Manual J Eighth Edition Version 2 Elite Software Rhvac program. />--- /4CCF\" Form RPER 1.01 8 Mar 10 ATTACHED ruon lloE!! AthiloniryConhdoGof AMF Contractor Mechanical License # Building Plan # Home Address (Street or Lot#, Block, Subdivision) County, Town, Municipality, Jurisdiction Header lnformation REQUIRED ATTACHMENTSI Manual J1 Form (and supporting worksheets): YesE or MJlAE Form2 (and supporting worksheets): yes! OEM performance data (heating, cooling, blower):YesEl Manual D Friction Rate Worksheet: YeslX Duct distribution system sketch: YesB No No No Residential Plans Examiner Review Form ent Ductsfor HVAC S ulstem Desi EnLoads HVAC LOAD CALCULATION (UMC 1106.1 fiesign Conditions Winter Design Conditions Outdoor temperature lndoor temperature Total heat loss OF 73927 Btu/h Summer Design Gonditions Outdoor temperature lndoor temperature 98 0F 7n oF Grains difference -35 A Gr @ 50 % Rh sensible heat gain 38988 Btu/h Latent heat gain 1 AA7 Btu/h Total heat gain 55835 Btu/h Ruilding Construction I nformation Building Orientation (Front door faces)A North, East, West, South, Northeast, Northwest, Southeast, Southwest Number of bedrooms '- Conditioned floorarea {{f$ Sq ft Number of occupants Windows Eave overhang depth Roof Ft 7oF lnternal shade Blinds, drapes, etc Blinds Eave Depth Window Number of skylights HVAC EQUIPMENT SELECTION Heating Fquipment Data Equipment type Electric boiler heat pump Furnace, Heat pump, Boiler, etc. Model Conling Fqr ripment l-lata Equipment type Air Cooled Split system Air Conditioner, Heat pump, etc Model Blower Data Heating cFM 1000 CFM cooling cFM 1909 CFMw-150 ARUNO6O Heating output capacitv 120000 Btu/h Heat pumps - capacity at winter design outdoor condilions Auxiliary heat output capacity Btu/h Sensible cooling capacity Latent cooling capacity Total cooling capacity 45000 Btu/h 15000 Btu/h 60000 Btu/h HVAC DUCT DISTRIBUTION SYSTEM DESIGN (UMC 601.2) Design aidlow External Static Pressure (ESP) CFM twc Longest supply duct: Longest return duct: Total Effective Length (TEL) Friction Rate: Friction Rate = (ASP x 100)+ TEL Duct Materials Used (circle) Trunk Duct: Duct board, Flex, Sheet metal, Lined sheet metal, Other (sPecifY) Branch Duct: Duct board, Flex, Sheet metal, Lined sheet metal, Other (sPecifY) Ft Ft Component Pressure Losses (CPL) IWC Available Static Pressure (ASP) IWC ASP=ESP-cPL _Ft IWC I declare the load calculatron, equipment selection, and duct system design were rigorously perlclrrrretl bilsed olrtlre buildirrg plan listed made on these forms will be s review and verificationabove. I understand the cl Contractor's Printed Name Contractor's Signature Date Rcscrvcd for use by County, Town, Municipality, or Authority having jurisdiction ' The AHJ shall have the discretion to accept Required Attachments printed from approved ACCA software vendors, see list on page 2 used foi load calculation, then verify residence meets requirements, see Abridged Edition Checklist of instructions. on page 13 of instruclions.' lf abridged version of Manual J is Form generated by AccA-approved Manual J Eighth Edition Version 2 Elite Software Rhvac program