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Home My WebLink AboutHVAC Load CalculationsI !\,t:9a v utua ?A?S(l.ll f u ;ll+et.6 l{l7g,,i;,dtuii-.,Y,, n *,,,l,,VtWi n ay u ti'ilts,, f 1l !,,ti.rr..'t!\"r HVAC Load Calculations for t ^',t.\ tl V. ,,f{,,\,tBaltzer Residence 138 Sunlight Drive Garfield County, Co RHVAC FIEETpNNNAL HVAG Lonne a Lt \ \\ s Prepared By: M. Dunne MDA Design Consulting, LLC 5001 N Blazingstar Trail Castle Rock, Co.80109 888-903-6255 Friday, March 21, 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 Gommercial HVAG Loads MDA Desiqn Consultinq. LLC G Elite Sofiivare Development, lnc. Project Date: Client Name: Clicnt Addross: Client City: Company Name: Cotr rparty Repl eselrtalive: Company Address: Company City: Company Phone: Company E-Mail Address: Company Website: 3-18-2025 Baltzer Residence 138 Sunlight Drive Garfield County, Co MDA Design Consulting, LLC M. Dunne 5001 N Blazingstar Trail Castle Rock, Co.80109 888-903-6255 mdunne@mdadesginconsulting.com mdadesignconsulting.com Reference City: Building Orientation: Daily Temperature Range Latitude: Elevation: Altitude Factor: 39 6275 0.793 Gatfield Cuutrty, Cululado Front door faces North Medium Degrees ft. Winter: Summer: Outdoor Dry Bulb 0 94 Outdoor Wet Bulb 5.97 59 Outdoor Rel.Hum nla 13Yo lndoor Rel.Hum nla 50% lndoor Dry Bulb 74 70 Grains Difference nla -31 Total Building Supply CFM: Square ft. of Room Area: Volume (ft3): 1,494 1,056 6 ^ A6o'+o CFM Per Square ft.: Square ft. Per Ton: 1.415 316 Total Heating Required lncluding Ventilation Air: TotalSensible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: 38,737 Btuh 29,977 Btuh 10,146 Btuh 40,123 Btuh 38.737 75 25 3.34 MB ot TO ot TO H 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 manufacture/s performance data at your design conditions. C:\ ...\Garfiled Cou ... _3-1 0-25.110 Friday, March 21,2025,12:48 PM * Rhvac. Resldential & Ught Gommercial }IVAG Loads tLcMDADbsisn Load Preview Sen Gain Lat Gain Net Loss sys Htg CFM sys clg CFM CFM Net Ton ft. Scope Buildinq Svstem 1 Misc. Supplv Zone 1 1-Livinq Room 2-Master Bedroom 3-His Closet 4-Her Closet s-Master Bath 6-Bath 7-Bedroom &Fover 1,056 1,056 1,056 448 168 20 20 120 50 130 100 29,977 29.977 0 29,977 11,886 5,25'l 708 652 3,361 1,157 4,361 2,601 10,146 10,146 9,000 1,146 532 u7 -10 0 45 -10 373 41 40,123 40,123 9,000 31,123 12,418 5,598 708 652 3,361 1,157 4,734 2,601 38,737 15,970 6,320 839 62'l 4,665 1,770 4,574 3,978 634 261 103 14 10 76 29 75 65 't,494 592 262 35 32 168 58 217 t30 ,494 592 262 35 32 168 58 2',17 130 3.34 3.34 316 316 1.494 1.494 1A94 1,494 38,737 6v 38,737 6U C:\ ...\Garfiled Cou ... 3-10-25.110 Friday, March 21,2025, 12:48 PM Rhvac - Residential & Ught Gommercial HVAG Loads MDA Desiqn Consultinq, LLC * Elite Sofhrarc Development, lnc. Total B Loads Gornponent Sen Lat Sen Total 2A-f-d: Glazing-Double pane low-e (e = 0.60), sliding glass door, insulated fiberglass frame, outdoor insect screen with 100% coverage, light color drapes with lrrediunr weave witlr 50% uuverage, U-value 0.028, SHGC 0.56 2A-f-d: Glazing-Double pane low-e (e = 0.60), sliding glass door, insulated fiberglass frame, U-value 0.028, sHGC 0.56 1 1L: Door-Metal - Paper Honeycomb Core, U-value 0.56 12E-6sw: Wall-Frame, R-19 insulation in 2 x 6 stud cavity, R-6 board insulation, siding finish, wood studs, U-value 0.049 ceiling: Partition Roof/Celllng (STD=14, WTD=3O)-Roof Deck (roofing, wood, insulation) or SIP Panels Supported on Beams, Custom, 1.5" wood plus R-33 to R-35 insulation, U-value 1 20P1 -30op-c: Partition Floor (STD=14, WTD=3O)-Over open crawl space or garage, Passive, spray foam insulation, R-30 open cell ll2lb. spray foam insrrlalion I inches in 2 v 1O ioisf r:avitv namol ' - ,-'-' -- r rr, t vsr Fv- 87.5 181 o 2,405 2,405 7.5 16 402 4020 18 879 746 3,188 1056 31,680 1056 1,108 0 14,784 14,784 519 519 0 0 353 903 353 903 0 covel4g, U:value O035 Subtotals for structure: People: Equipment: Lighting: Ductwork: lnfiltration: Winter CFM: 28, Summer CFM: 15 Ventilation: Winter CFM: 0, Summer CFM: 0 Supply Miec. Gain: 7 1950 36,919 0 't,400 0 0 -254 0 9,000 19,366 1,610 1,064 6,650 0 324 0 0 963 19,366 3,010 1,064 6,650 0 70 0 9,000 1,81 0 8 0 0 0AED EXqutsion 0 963 Total Building Load Totals:38,737 10,146 29,977 40,123 Total Building Supply CFM: Square fi. of Room Area: Volume (ft3): 1,494 1,056 8,448 CFM Per Square ft,: Square ft. Per Ton: 1.415 3'16 Total Heating Required lncluding Ventilation Air: TutalSerrsible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: 38,737 Btuh 29,977 Btuh 10,146 Btuh 40,123 Btuh 38.737 MBH 75 Ya 25% 3.34 Tons (Based On Sensible + Latent) Rhvac is an ACCA appruved Manual J, D and S computer program. Calculations are performed per ACCA Manual J 8th Edition, Version 2.50, and ACCA Manual D. n ll ^^a^, .r^l -^^. .14^ ^-^ -^r:-^r^^[ vvrrrlJu.Ev tErutrD dtE EDuiltdlt'b a5 uuiluiltg use all(J wt,al,ngr 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:\...\Garfiled Cou ... 3-10-25.r10 Friday, March 21,2025, 12:48 PM Rhvac - Residential & Llght Gommercial HVAC Loads MDA Design Consulting, LLC s Elite Sofhrare Development, lnc. 1 Whole House S Loads Component Area Sen Lat Sen Total 2A-f-d: Glazing-Double pane low-e (e = 0.60), sliding glass door, insulated fiberglass frame, outdoor insect scrccn with 100% coverago, light color drapes with medium weave with 50% coverage, U-value 0.028, SHGC 0.56 2A-f-d: Glazing-Double pane low-e (e = 0.60), sliding glass door, insulated fiberglass frame, U-value 0.028, sHGC 0.56 11L: Door-Metal - Paper Honeycomb Core, U-value 0.56 12E-6sw:Wall-Frame, R-19 insulation in 2 x 6 stud cavity, R-6 board insulation, siding finish, wood studs, U-value 0.049 ceiling : Partition Roof/Ceiling (STD= 1 4, WTD=3O)-Roof Deck (roofing, wood, insulation) or SIP Panels Supported on Beams, Custom, 1.5" wood plus R-33 to R-35 insulation, U-value 1 20Pl -30op-c: Partition Floor (STD=14, WTD=3O)-Over open crawl space or garage, Passive, spray foam insulation, R-30 open cell 1l2lb. spray foam insulation, 8 inches in 2 x 1O joist cavity, carpet o 2,405 2,405 1056 31,680 o 14,784 14,784 1056 1,108 coverinq, U-value 0.035 87.5 181 7.5 18 879 16 746 3,188 402 519 353 519 402 903 353 903 0 0 0 0 Su btotals for structure: People: 7 Equipment:Lighting: 1950 Ductwork: lnfiltration: Winter CFM: 28, Summer CFM: 15 Ventilation: Winter CFM: 0, Summer CFM: 0 Supply Misc. Gain: AED Excursion: System 1 Whole House System Load Totals: 36,919 19,366 1,610 1,064 6,650 0 324 0 0 19,366 3,010 1,064 6,650 0 70 0 9,000 9q3 40,123 0 1,400 0 1,81 0 8 0 0 0 0 -254 0 9,000 0 963 38,737 1A,146 29,977 Supply CFM: Square ft. of Room Area: Volume (ft3): 1,494 1,056 8,448 CFM Per Square ft. Squareft. PerTon: 1.415 316 Total Heating Required lncluding Ventilation Air: Total Sensible Gain: Total Latent Gain: Total Cooling Required lncluding Ventilation Air: 38,737 Btuh 29,977 Bluh 10,146 Btuh 40,'t23 Bruh MBH ofto % 737 75 25 3.34 38. 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:\...\Garfiled Cou ... 3-10-25.110 Friday, March 21, 2025, 12:48 PM S ce Data - Gooling: Outdoor Dry Bulb: OutdoorWet Bulb: lndoor Dry Bulb: lndoor RH: Supply Airflow: 0 59 70 50 0 Senslble Galn: - Latent Gain: TotalGaln: Load SHR: Entering Dry Bulb: Entering Wet Bulb: 29_977 10.146 40.123 0.75 0 0 Heating: Outdoor Dry Bulb: lndoor DryBulb: Indoor RH: 0 74 30 Sensible Loss: Entering Dry Bulb: SupplyAirflow: 38.737 74.O 634 This system's equipment was selected in accordance with ACCA Manual S. Cooling: ModelType: Two Stage A'/C, Outdoor Model: RA].M2x,lndoor Model: U*02VA0Z5 Nominal Capacity: 42.OOO, Manufacturer: Ruud lnterpolation Results: Sensible Capacity: Latent Capacity: TotalCapacity: 32.000 10.000 42.OOO Load 29.977 10_146 40.123 Percent of Load 1O7o/o 99o/o 1O5o/o Heating: ModelType: Natural Gas Furnace, Model: U802VA075421, Nominal Capacity: 60.000, Manufacturer: Ruud Results: PercentLoad ofload Heating Capacity: 60.000 gg.737 l11o/o C:\...\Garfiled Cou ... 3-10-25.110 Friday, March 21,2025, 12:48 pM Att /4CCF\. Form RPER 1.01 8 Mar 10 ATTACHED e(M*EcffidM County, Town, Municipality, Jurisdiction Header lnformation Contractor Mechanical License # Building Plan # Home Address (Street or Lot#, Block, Subdivision) 138 Sunlight Drive, Garfield County, Co REQUIRED ATTACHMENTS' Manual Jl Form (and supporting worksheets): Vesffl or MJ1AE Form' (and supporting worksheets): yes8 OEM performance data (heating, cooling, ltower):YesE! Manual D Friction Rate Worksheet: Yeslj Duct distribution system sketch: Ves[ ruon no! rvoI ruoE ruoE Residential Plans Examiner Review Form DuctsnmentLoadsEulfor HVAC S tem Desi HVAC LOAD CALCULATTON (lRC M 1401.3) [\esign Conclitions Winter Design Gonditions Outdoor temperature lndoor temperature Total heat loss Latent heat gain Total heat gain 74 0F 38737 Btu/h Summer Design Gonditions outdoortemperature 94 "F lndoortemperature 70 "F Grains dlfference -31 A Gr @ 50 o/o Rh Sensible heat sain 29976 Btu/h Rr rilding Constrtretion lnformatinn Building Orientation (Front door faces)4 North, East, West, South, Northeast, Northwest, Southeast, Southwest Number of bedrooms 2 Conditioned floor area I fl$fi Sq ft "F 10146 Btu/h 40122 Btu/h Number of occupants Windows Eave overhang depth 3 0Ft Drapeslntemal shade Blinds, dEpes, etc Roof Eave Depth Window Number of skylights HVAC EQUIPMENT SELECTION (lRC IV11401.3) Heating Fqr ripment Flata Equipment type Natural Gas Furnace Fumace, Heat pump, Boiler, etc. Model Heatins output capacity 60000 Btuih Heat pumps - €pacily at winter design outdoor conditions Auxiliary heat output capacity Btu/h Conling Fquipment f'lata Equipment type Air Conditioner, Heat pump, etc Blower Data Heatins crv 1 000 Crv coolins cFM 1500 CFM Two Staoe A./C u8o2vAo75421 Model RA!442X Sensible cooling capacity Latent cooling capacity Total cooling capacity 29300 1 70,n 42004 Btu/h Btu/h Btu/h HVAC DUCT DISTRIBUTION SYSTEM DESIGN (lRC M1601.1) Design airflow 15OO cFM Extemal Static Pressure (ESP) 1 .0 IWC Component Pressure Losses (CPL) IWC Available Siatic Pressure (ASP) IWC ASP=ESP-CPL Longestsupplyduct 0 Ft Longest return duct: 0 Ft Total Effective Length (TEL) 00 Ft Frlction Rate: _ IWC tr'",,on Pslg = (ASP " 100) * TEL Duct Materials Used (circle) Trunk Duct: Duct board, Flex, Sheet metal, Lined sheet metal, Other (sPecifY) Branch Duct: Duct board, Flex, Sheelnetd- Lined sheet m"tat,@ 0 ldeclare the load calculation, equipmerrt selectron. and duct sys{em design were rigorously perfortned based on the building plan listed s will be su ect to review arrd vabove. I urrderstand the clainrs nrade Contractor's Printed Name Contractor's Signature Date Reserved for use by County, Town, Municipality. or ALlthority havirrg jurisdiction I The AHJ shall have the discretion to accept Required AttachmenG printed from approved ACCA software 2 lf abridged version of Manual J is used for load calculalion, then veriry residence meets requirements, see vendors, see list on page 2 of instruclions. Abridged Edition checklist on page 13 of instructions. Form generated by AccA-approved Manual J Eighth Edition Version 2 Elite Software Rhvac program. A;,rcch." Form RPER 1.01 8 Mar 10 ATTACHED ruoI Non ruofl r,loE r'roE AtCffi*pCodd6dArcrb County, Town, Municipality, Jurisdiction Header lnformation Contractor Mechanical License /f Buildrng Plan # Home Address (Street or Lot#, Block, Subdivision) 138 Sunlight Drive, Garfield County, Co REQUIRED ATTACHMENTSI Manual J l Form (and supporting worksheets): yesffl or MJIAE Form! (and suppoftng worksheots); Ycsftl OEM performance data (heatinq, caaling, bloweQ:YesE Manual D Friction Rate Worksheet Yesn Duct distribution system sketch: Yes[ Residential Plans Examiner Review Form for HVAC S stem Desi n ur ment, Ducts)Loads, E HVAC LOAD CALCULATION UMC 1 106.1) Design Conditions Winter Design Conditions Outdoor temperature lndoor temperature Total heat loss Summer Design Conditions Outdoor temperature lndoor temperalure 7?7 Btu/h 94 "F 7fi "F Grainsrtifferencn -31 A Gr@ 50 % Rh sensibre heatsain 29976 Btulh Latent heat gain Total heat gain 1O1A Btu/h L 122 Btu/h Ruilding Construction lnformation Building Orientation (Front door faces)4 North, East, West, Soulh, Northeast, Northwest, Southeast. Southwest Number of bedrooms 2 1 fl$fi sq Ft I\.UUI Ft o"F 7A OF Conditioned floor area Number of occupants Windows Eave overhang depth <- lnternal shade Blinds, dEpes, etc Drapes Eave Depth Window Number of skylights 0 HVAC EQUIPMENT SELECTION Heating Equipmpnt fiata Equipment type Natural Gas Furnace Fumae, Heal pump, Boiler, etc. Model U802VA07S421 Heating output capacity Cooling Equipment Ftata Equipment type Air Conditioner, Heat pump, etc Model Blower Data Heatins cFM 1000 CFM cooling cFM 1 500 CFM Staqe A/C RA!442X Heat pumps - €padty at winter design outd@r onditions Auxiliary heat output capacity Btu/h Btu/h Sensible cooling capacity Latent cooling capacity Total cooling capacity ^9300 12700 L 2000 Btu/h Btu/h Btu/h HVAU IJUCT DISTRIBUTION SYSTEM DESIGN (uMC 601 2) Design airflow 5OO cFM Extemal Static Pressure (ESP) 1 .O IWC Component Pressure Losses (CPL) IWC Awailqlrla Gfa+ia Draca...-,-ys'rsvrs -E.rv -rse-u-v {Asp} . . -'-'-----.'.._ ,*" AsP=ESP-cPL Longest supply duct: 0 Ft Longest retum duct: ____O ft Total Effective Length frEL) 00 Ft E!:^.:^- 6^.^. It^rnr r lklrurr raolE. I vu\/ Friclbn 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. 6their. soEil) 0 I declare tlre load calculatiorr, equtprl'terrt selectiorr. arrd ducI system clesign were rigorously per-forrled based on ilre buildinq plan listed Itese forrls will he srrh rernr arrd verrticatior-rent toclsrrd llre claitrrs Contractor's Printed Name Contractor's Signature Date Reserved for rrse hy enrrnty Tnrvn, I\4rrrrir-ipality or Arrlhority harrin0 jL.rrirdiction I l he AHJ shall have the discreiion to accept Required Attachments prinled from approved ACCA soffware used for load calculation, then vedfy rcsidenr.c meets requiremenlr, see vendors, see list on page 2 Checklist of instruclions. Abridgod Edition on pag@ 13 of inolruotions. 2 lf abridged version of Manual J is Form generated by AccA-approved Manual J Eighth Edition Version 2 Elite Software Rhvac program.